MADHU K KRIS M.D.
NPI 1427112366
Internal Medicine - Gastroenterology in Merced, CA

NPI Status: Active since December 21, 2006

Contact Information

750 W OLIVE AVE
SUITE 106
MERCED, CA
ZIP 95348
Phone: (209) 384-3115

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  • Individual
  • Male
  • Years of Experience 50
  • Internal Medicine
  • Gastroenterology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 05D2087778
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-07-2026

About MADHU KRIS

This page provides the complete NPI Profile along with additional information for Madhu Kris, an internist established in Merced, California with a medical specialization in Internal Medicine, focusing in gastroenterology and more than 50 years of experience. The healthcare provider is registered in the NPI registry with number 1427112366 assigned on December 2006. The practitioner's primary taxonomy code is 207RG0100X with license number A 417350 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1427112366
Provider Name
MADHU K KRIS M.D.
Gender
Male
Entity Type
Individual
Location Address
750 W OLIVE AVE SUITE 106 MERCED, CA 95348
Location Phone
(209) 384-3115
Mailing Address
750 W OLIVE AVE SUITE 106 MERCED, CA 95348
Mailing Phone
(209) 384-3115
Medical School Name
OTHER
Graduation Year
1976
Is Sole Proprietor?
Yes
Enumeration Date
12-21-2006
Last Update Date
07-08-2007
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An internist like Madhu Kris is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
A 417350
License State
CA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Medicare Participation & PECOS Enrollment Status

Madhu Kris is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Madhu Kris is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1658421540

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20090805000269

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

This service was performed 14 times for 12 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

This service was performed 187 times for 179 patients

Biopsy of large bowel using a flexible endoscope

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

This service was performed 47 times for 47 patients

Colonoscopy

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

This service was performed for 216 patients

Colorectal cancer screening; colonoscopy on individual at high risk

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

This service was performed 78 times for 78 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

This service was performed 31 times for 31 patients

Diagnostic exam of large bowel using a flexible endoscope

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

This service was performed 22 times for 22 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 18 times for 14 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 22 times for 19 patients

Imaging of digestive tract done from the inside of the digestive tract

This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.

This service was performed 12 times for 12 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

This service was performed 43 times for 42 patients

Microscopic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure involves using a thin, flexible instrument called an endoscope to examine the esophagus, stomach, and upper small bowel. The endoscope has a light and camera, allowing a detailed view of these areas to help diagnose various conditions.

This service was performed 31 times for 31 patients

Removal of external hemorrhoids by rubber banding

Rubber band ligation is a procedure used to treat external hemorrhoids. A doctor places small rubber bands around the base of the hemorrhoids. This cuts off blood supply, causing them to shrink and fall off, typically within a week.

This service was performed 19 times for 19 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

This service was performed 48 times for 47 patients

Tying of multiple internal hemorrhoid groups

Tying of multiple internal hemorrhoid groups is a procedure to treat internal hemorrhoids, which are swollen blood vessels in the rectum. It involves tying off the hemorrhoids to cut off their blood supply, causing them to shrink and eventually fall off. This is done to alleviate discomfort and bleeding.

This service was performed 19 times for 19 patients

Upper gastrointestinal (GI) endoscopy for acid reflux

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

This service was performed for 188 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $33.48 for a new patient copayment and $25.84 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 95348 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $133.94
  • Minimum New Patient Price $58.87
  • Maximum New Patient Price $176.6
  • Average New Patient Copayment $33.48
  • Minimum New Patient Copayment $14.71
  • Maximum New Patient Copayment $44.15

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $103.36
  • Minimum Established Patient Price $19.28
  • Maximum Established Patient Price $144.6
  • Average Established Patient Copayment $25.84
  • Minimum Established Patient Copayment $4.82
  • Maximum Established Patient Copayment $36.15

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2087778
Facility Type
Physician Office
Certificate Effective Date
January 08, 2024
Certificate Expiration Date
January 07, 2026
Laboratory Director
SHAWN EMERY
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Madhu Kris after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1427112366
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2447214312
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 4 + 4 + 7 + 2 + 1 + 4 + 3 + 1 + 2 + 24 = 54
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
60 - 54 = 66

The NPI number 1427112366 is valid because the calculated check digit 6 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 7 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1548333743B ST J MEDICAL CORPORATION
Organization
Psychiatry & Neurology (Neurology)750 W OLIVE AVE STE 105
MERCED, CA 95348
(209) 723-2132
1033389903DR. DIANA JEAN HYLTON MD
Individual
Psychiatry & Neurology (Neurology)750 W OLIVE AVE SUITE 105
MERCED, CA 95348
(209) 723-2132
1437224946 MARIA FERNANDEZ RENEDO MD
Individual
Internal Medicine (Endocrinology, Diabetes & Metabolism)750 W OLIVE AVE SUITE 102
MERCED, CA 95348
(209) 723-0011
1811316375MARIA FERNANDEZ RENEDO MD INC
Organization
Internal Medicine (Endocrinology, Diabetes & Metabolism)750 W OLIVE AVE SUITE 102
MERCED, CA 95348
(209) 723-0011
1497895361MADHU K. KRIS M.D.
Organization
Clinic/Center (Ambulatory Surgical)750 W OLIVE AVE SUITE 107A
MERCED, CA 95348
(209) 384-3116
1902024623DR. VIJAYA K TANGELLA M.D.
Individual
Specialist750 W OLIVE AVE SUITE 104
MERCED, CA 95348
(209) 384-3115
1023256153VIJAYA K. TANGELLA MD, INC
Organization
Anesthesiology750 W OLIVE AVE SUITE 104
MERCED, CA 95348
(209) 384-2704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427112366, enumerated in the NPI registry as an "individual" on December 21, 2006

The provider is located at 750 W Olive Ave Suite 106 Merced, Ca 95348 and the phone number is (209) 384-3115

The provider's speciality is Internal Medicine with taxonomy code 207RG0100X with a focus in Gastroenterology

The provider has more than 50 years of experience.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

Medicare beneficiaries should expect a typical cost of $133.94 with an average copayment of $33.48 for new patient appointments. Established patients should expect a typical charge of $103.36 and an average copayment of 25.84. Please review your insurance plan or contact the provider directly to determine your specific costs.

The most common procedures or services performed by this practitioner are: Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm, Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, Biopsy of large bowel using a flexible endoscope, Colonoscopy, Colorectal cancer screening; colonoscopy on individual at high risk, Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk, Diagnostic exam of large bowel using a flexible endoscope, Established patient office or other outpatient visit, 20-29 minutes, Established patient office or other outpatient visit, 30-39 minutes, Imaging of digestive tract done from the inside of the digestive tract, Insertion of guide wire with dilation of esophagus using a flexible endoscope, Microscopic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, Removal of external hemorrhoids by rubber banding, Removal of polyps or growths of large bowel using an endoscope with mechanical snare, Tying of multiple internal hemorrhoid groups and Upper gastrointestinal (GI) endoscopy for acid reflux.

The provider's CLIA number is 05D2087778 for a "physician office" facility with a CLIA Certificate of Compliance. This CLIA certificate is issued after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing..

This NPI record was last updated on December 21, 2006. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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