Tiffany Gillam Harvey, M.D.
Internal Medicine Physician · Irving, TX
Tiffany Gillam Harvey, M.D. is an internal medicine physician with a practice address in Irving, Texas, and NPI 1346405636, issued on Jul 25, 2008. Check the license (Texas N9704, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tiffany Gillam Harvey
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N9704 TX
Self-reported in NPPES; status is on the state search - Practice location
- 400 W IH 635 Fwy, Irving, TX 75063
- Phone
- (972) 406-1199
- Enumerated
- Jul 25, 2008
- Record last updated
- Oct 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (972) 556-2593
- Medicaid ID
- 2851107-01 TX
- Medicare enrollment
- Enrolled (PECOS I20111027000115); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 400 W IH 635 Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tiffany Gillam Harvey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N9704Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average internal medicine physician in 2024
5,530 Medicare Part D claims for 369 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 90 claims were for opioids.
Most prescribed
- Atorvastatin Calcium396 claims
- Levothyroxine Sodium283 claims
- Amlodipine Besylate175 claims
- Losartan Potassium171 claims
- Rosuvastatin Calcium146 claims
- Lisinopril135 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,987.76
109 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthtexas Provider NetworkIrving, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Gillam Harvey among 9,175 internal medicine physician records in Texas
Tiffany Gillam Harvey, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2004 among the 6,088 with a school on file
- Record last updated2015 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 internal medicine physician records list a practice address in Irving
They are 98 of the 3,532 NPPES records with a practice address in Irving, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Irving → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Niranjan Banda, M.D.Irving, TX 750631659608255
- Jennifer Bashour, M.D.Irving, TX 750631922032911
- Shailendra Chavda, M.DIrving, TX 750631922132562
- Vijaya Shree Chintala, MDIrving, TX 750631548339526
- Anil Desai, MDIrving, TX 750631508809757
- Sivavasavi Dinakaran, M.DIrving, TX 750631487781282
- Bradley Jones, M.D.Irving, TX 750631902824147
- Thomas Leitner, M.D.Irving, TX 750631841377116
Common questions
What is Tiffany Gillam Harvey, M.D.'s NPI number?
Tiffany Gillam Harvey, M.D.'s National Provider Identifier (NPI) is 1346405636, issued on Jul 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Gillam Harvey, M.D. located?
The NPPES record lists a practice address at 400 W IH 635 Fwy, Irving, TX, 75063. Phone: (972) 406-1199. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Gillam Harvey, M.D.'s license?
NPPES lists Texas license number N9704, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tiffany Gillam Harvey, M.D. prescribe under Medicare Part D?
In 2024, Tiffany Gillam Harvey, M.D. had 5,530 Medicare Part D claims for 369 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.