DR. TIFFANY L SHAY ALEXANDER M.D.
NPI 1346253903
Preventive Medicine - Occupational Medicine in Chula Vista, CA

NPI Status: Active since August 14, 2006

Contact Information

525 3RD AVE
CHULA VISTA, CA
ZIP 91910
Phone: (619) 585-4050
Fax: (619) 585-4054

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  • Individual
  • Female
  • Preventive Medicine
  • Occupational Medicine
  • PECOS Enrolled

About TIFFANY SHAY ALEXANDER

This page provides the complete NPI Profile along with additional information for Tiffany Shay Alexander, a provider established in Chula Vista, California with a medical specialization in Preventive Medicine, focusing in occupational medicine . The healthcare provider is registered in the NPI registry with number 1346253903 assigned on August 2006. The practitioner's primary taxonomy code is 2083X0100X with license number A68353 (CA). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1346253903
Provider Name
DR. TIFFANY L SHAY ALEXANDER M.D.
Gender
Female
Entity Type
Individual
Location Address
525 3RD AVE CHULA VISTA, CA 91910
Location Phone
(619) 585-4050
Location Fax
(619) 585-4054
Mailing Address
525 3RD AVE CHULA VISTA, CA 91910
Mailing Phone
(619) 585-4050
Mailing Fax
(619) 585-4054
Is Sole Proprietor?
Yes
Enumeration Date
08-14-2006
Last Update Date
06-27-2013
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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

Preventive Medicine Occupational Medicine

Taxonomy Code
2083X0100X
Type
Allopathic & Osteopathic Physicians
License No.
A68353
License State
CA
Taxonomy Description
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
H52552MEDICARE UPIN (02)CA 
WA68353AMEDICARE ID-TYPE UNSPECIFIED (04)CA 
00A683530MEDICAID (05)CA 

Medicare Participation & PECOS Enrollment Status

Tiffany Shay Alexander 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

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.

Adm sarscov2 30mcg/0.3ml bst

This is an administration of a COVID-19 vaccine, specifically 30 micrograms in a 0.3 milliliter dosage. The vaccine helps your body build protection against the SARS-CoV-2 virus, which causes COVID-19.

This service was performed 60 times for 60 patients

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 258 times for 258 patients

Coronavirus vaccine 13

The "Coronavirus Vaccine 13" isn't a recognized term. However, COVID-19 vaccines help protect against the virus by triggering an immune response. They teach your body how to fight the virus if exposed, reducing the risk of severe illness. It's crucial for public health and safety.

This service was performed 61 times for 61 patients

Coronavirus vaccine 14

The Coronavirus Vaccine 14 is an injection designed to protect you from COVID-19. It works by teaching your immune system how to fight the virus. After vaccination, your body is better equipped to combat the virus if exposed, reducing your risk of severe illness. It's a key step in controlling the pandemic.

This service was performed 22 times for 22 patients

Fee covid-19 vac 13 res

The "Fee Covid-19 Vac 13 Res" service refers to a charge for the 13th dose of the Covid-19 vaccine, typically for individuals requiring additional doses due to specific health conditions. It's crucial to follow your healthcare provider's advice for your health safety.

This service was performed 61 times for 61 patients

Fee covid-19 vac 14 res

The "Fee covid-19 vac 14 res" refers to a charge for a specific service related to the COVID-19 vaccine. This could be for administering the vaccine or related care. It's crucial to get vaccinated to protect against the virus. The fee ensures quality service.

This service was performed 22 times for 22 patients

Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage

The quadrivalent inactivated influenza vaccine is a shot given to protect against four strains of the flu virus. This 0.5 ml dosage helps your body develop immunity to the virus. It's an important step in preventing flu-related complications.

This service was performed 218 times for 218 patients

Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage

The quadrivalent influenza vaccine is a shot to protect you from four different flu viruses. It's preservative-free and given in a 0.5 ml dose. It helps your body build immunity to the flu, reducing your risk of getting sick.

This service was performed 40 times for 40 patients

Severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 30 mcg/0.3ml dosage, diluent reconstituted, for intramuscular use

This is a COVID-19 vaccine that uses mRNA technology to help your body build immunity against the virus. It's given as a 30 mcg dose via a muscle injection. It's free of preservatives and needs to be mixed with a special liquid before use.

This service was performed 63 times for 63 patients

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 91910 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $140.22
  • Minimum New Patient Price $62.1
  • Maximum New Patient Price $184.71
  • Average New Patient Copayment $35.05
  • Minimum New Patient Copayment $15.52
  • Maximum New Patient Copayment $46.17

Established Patients Visit Costs *

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

  • Average Established Patient Price $108.42
  • Minimum Established Patient Price $20.62
  • Maximum Established Patient Price $151.42
  • Average Established Patient Copayment $27.1
  • Minimum Established Patient Copayment $5.15
  • Maximum Established Patient Copayment $37.85

* 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.

Reviews for DR. TIFFANY L SHAY ALEXANDER M.D.

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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.
1346253903
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
238645690
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 3 + 8 + 6 + 4 + 5 + 6 + 9 + 0 + 24 = 67
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 67 = 33

The NPI number 1346253903 is valid because the calculated check digit 3 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
1588673842 MORENO C. DAVID P.A.
Individual
Physician Assistant525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2777
1366451627 ARTHUR CORPUS P.A.
Individual
Physician Assistant525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4370
1023028503DR. GEORGE B. COLSON M.D.
Individual
Preventive Medicine (Occupational Medicine)525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4050
1932285004DR. DIANA LEIGH ROWELL M.D.
Individual
Internal Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2707
1962481929 GERARD FRANCIS BLAKE MD
Individual
Emergency Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2777
1568435444DR. EFREN V NIERVA D.O.
Individual
Family Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2777
1881661536DR. PAULO GUILLINTA M.D.
Individual
Internal Medicine (Cardiovascular Disease)525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4304
1902847932DR. RUDOLPH-BEAR A GAMBOA M.D.
Individual
Family Medicine (Sports Medicine)525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4000
1235161787 TOM-OLIVER KLEIN MD
Individual
Internal Medicine525 3RD AVE
CHULA VISTA, CA 91910
(619) 499-2600
1740298074DR. BRIAN CORNELL ANDERSON M.D.
Individual
Internal Medicine (Rheumatology)525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4049
1740298843DR. MICHAEL E. CHAMBERS M.D.
Individual
Internal Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2600
1003826256DR. PERRY V MONTOYA M.D
Individual
Internal Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2600
1528171600 KATHY L HEAD M.D.
Individual
Preventive Medicine (Occupational Medicine)525 3RD AVE
CHULA VISTA, CA 91910
(858) 526-6150
1396855292DR. RODERICK I MOUNTAIN M.D.
Individual
Family Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2600
1538270046DR. KENNETH J VILLA M.D.
Individual
Psychiatry & Neurology (Neurology)525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4044
1437207214 RAJIV B. ROY MD
Individual
Internal Medicine (Endocrinology, Diabetes & Metabolism)525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4072
1306032503DR. TIMOTHY MICHAEL STROUSE II M.D.
Individual
Internal Medicine525 3RD AVE
CHULA VISTA, CA 91910
(858) 499-2600
1831231034 DOLLY RICAFORT PA-C
Individual
Physician Assistant525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4050
1497764393 RICHARD SCOTT CAMPBELL M.D.
Individual
Family Medicine525 3RD AVE
CHULA VISTA, CA 91910
(619) 585-4050
1043682834 MARY MCDERMOTT
Individual
Pharmacist525 3RD AVE SUITE A
CHULA VISTA, CA 91910
(619) 420-7120

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346253903, enumerated in the NPI registry as an "individual" on August 14, 2006

The provider is located at 525 3rd Ave Chula Vista, Ca 91910 and the phone number is (619) 585-4050

The provider's speciality is Preventive Medicine with taxonomy code 2083X0100X with a focus in Occupational Medicine

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

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 $140.22 with an average copayment of $35.05 for new patient appointments. Established patients should expect a typical charge of $108.42 and an average copayment of 27.1. 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: Adm sarscov2 30mcg/0.3ml bst, Administration of influenza virus vaccine, Coronavirus vaccine 13, Coronavirus vaccine 14, Fee covid-19 vac 13 res, Fee covid-19 vac 14 res, Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage, Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage and Severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 30 mcg/0.3ml dosage, diluent reconstituted, for intramuscular use.

This NPI record was last updated on August 14, 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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