WILLIAM LAWRENCE ROBERTS MD, MSC
NPI 1093392862
Internal Medicine in New Haven, CT
NPI Status: Active since March 26, 2021
- Individual
- Male
- Internal Medicine
- PECOS Enrolled
About WILLIAM ROBERTS
This page provides the complete NPI Profile along with additional information for William Roberts, an internist established in New Haven, Connecticut with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1093392862 assigned on March 2021. The practitioner's primary taxonomy code is 207R00000X with license number 78899 (CT). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1093392862
- Provider Name
- WILLIAM LAWRENCE ROBERTS MD, MSC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 150 SARGENT DR NEW HAVEN, CT 06511
- Location Phone
- (203) 503-3440
- Mailing Address
- 1800 ORLEANS ST BALTIMORE, MD 21287
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-26-2021
- Last Update Date
- 07-25-2024
- Code Navigator
An internist like William Roberts 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.
Location Map
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
- Taxonomy Code
- 207R00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 78899
- License State
- CT
- Taxonomy Description
- A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare Participation & PECOS Enrollment Status
William Roberts 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
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
Physician Visit Costs
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 06511 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $138.84
- Minimum New Patient Price $60.82
- Maximum New Patient Price $183.1
- Average New Patient Copayment $34.71
- Minimum New Patient Copayment $15.2
- Maximum New Patient Copayment $45.77
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $106.68
- Minimum Established Patient Price $19.76
- Maximum Established Patient Price $149.26
- Average Established Patient Copayment $26.67
- Minimum Established Patient Copayment $4.94
- Maximum Established Patient Copayment $37.31
* 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.
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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. | |||||||||
| 1 | 0 | 9 | 3 | 3 | 9 | 2 | 8 | 6 | 2 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 0 | 18 | 3 | 6 | 9 | 4 | 8 | 12 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 0 + 1 + 8 + 3 + 6 + 9 + 4 + 8 + 1 + 2 + 24 = 68 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 68 = 2 | 2 | ||||||||
The NPI number 1093392862 is valid because the calculated check digit 2 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1174513543 | SOUTHERN CONNECTICUT INTERNAL MEDICINE Organization | Internal Medicine | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 781-4444 |
| 1487644860 | DR. SAMUEL GELLER M.D. Individual | Internal Medicine | 150 SARGENT DR SUITE 1 NEW HAVEN, CT 06511 (203) 781-4444 |
| 1124001912 | HARVEY J KLIMAN MD Individual | Pathology (Anatomic Pathology & Clinical Pathology) | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 785-4708 |
| 1871577601 | AYDIN M ARICI MD Individual | Obstetrics & Gynecology (Reproductive Endocrinology) | 150 SARGENT DR 2ND FLOOR NEW HAVEN, CT 06511 (203) 785-4708 |
| 1982680948 | KATHLEEN ANNE FEARN MD Individual | Pediatrics | 150 SARGENT DR STE 6 NEW HAVEN, CT 06511 (203) 781-4321 |
| 1811092182 | SOUTHERN CONNECTICUT INTERNAL MEDICINE Organization | Internal Medicine | 150 SARGENT DR SUITE1 NEW HAVEN, CT 06511 (203) 781-4444 |
| 1023205507 | J RYAN MARTIN MD Individual | Obstetrics & Gynecology | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 785-2140 |
| 1932199288 | DR. LEE JUNG M.D. Individual | Internal Medicine | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 781-4444 |
| 1679605471 | LONG WHARF PEDIATRICS & ADOLESCENT MEDICINE LLC Organization | Pediatrics | 150 SARGENT DR STE 6 NEW HAVEN, CT 06511 (203) 781-4321 |
| 1215928072 | MR. CHARLES PARK P.A. Individual | Physician Assistant (Medical) | 150 SARGENT DR SUITE 1 NEW HAVEN, CT 06511 (203) 781-4444 |
| 1255313813 | CHRISTINE A ODELL MD, MPH Individual | Pediatrics | 150 SARGENT DR SUITE 6 NEW HAVEN, CT 06511 (203) 781-4321 |
| 1861476632 | LUCILLE A SEMERARO MD Individual | Pediatrics | 150 SARGENT DR STE 6 NEW HAVEN, CT 06511 (203) 781-4321 |
| 1518943588 | DENNIS P. DURANTE MD Individual | Pediatrics | 150 SARGENT DR STE 6 NEW HAVEN, CT 06511 (203) 781-4321 |
| 1760562193 | SANDRA CARSON MD Individual | Obstetrics & Gynecology (Reproductive Endocrinology) | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 785-4708 |
| 1578958005 | DR. BENJAMIN DAVID GALLAGHER MD Individual | Internal Medicine | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 503-3000 |
| 1922194059 | CAROL DORFMAN MD Individual | Pediatrics | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 777-7411 |
| 1528030228 | DR. MONIQUE RAINFORD MD Individual | Obstetrics & Gynecology | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 503-3000 |
| 1245216126 | DR. KATHLEEN MARIE SWEC M.D. Individual | Pediatrics | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 777-7411 |
| 1215592092 | DR. NATHAN ISAAC WOOD MD Individual | Internal Medicine | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 503-3000 |
| 1972730653 | DR. DAVID IAN ROSENTHAL M.D. Individual | Internal Medicine | 150 SARGENT DR NEW HAVEN, CT 06511 (203) 503-3000 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1093392862, enumerated in the NPI registry as an "individual" on March 26, 2021
The provider is located at 150 Sargent Dr New Haven, Ct 06511 and the phone number is (203) 503-3440
The provider's speciality is Internal Medicine with taxonomy code 207R00000X
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 $138.84 with an average copayment of $34.71 for new patient appointments. Established patients should expect a typical charge of $106.68 and an average copayment of 26.67. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on March 26, 2021. 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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