Thomas Joseph Fitzharris, MD
Internal Medicine Physician · Dallas, TX
Thomas Joseph Fitzharris, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1508891623, issued on Jul 11, 2006. Check the license (Texas G9273, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Joseph Fitzharris
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G9273 TX
Self-reported in NPPES; status is on the state search - Practice location
- 10405 E Northwest Hwy, Dallas, TX 75238
- Phone
- (214) 321-6485
- Enumerated
- Jul 11, 2006
- Record last updated
- Feb 28, 2022
- Fax
- (214) 324-3187
- Medicaid ID
- 100930001 TX
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 10405 E Northwest Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Joseph Fitzharris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G9273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
535 Medicare Part D claims for 197 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium40 claims
- Metoprolol Succinate35 claims
- Amlodipine Besylate29 claims
- Simvastatin21 claims
- Levothyroxine Sodium20 claims
- Metformin Hcl16 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: $279.22
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
Thomas Joseph Fitzharris among 9,175 internal medicine physician records in Texas
Thomas Joseph Fitzharris, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2022 · 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).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
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- Crystal Carter, D.O.Dallas, TX 752371093109704
Common questions
What is Thomas Joseph Fitzharris, MD's NPI number?
Thomas Joseph Fitzharris, MD's National Provider Identifier (NPI) is 1508891623, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Joseph Fitzharris, MD located?
The NPPES record lists a practice address at 10405 E Northwest Hwy, Dallas, TX, 75238. Phone: (214) 321-6485. Providers update this record themselves, so call before visiting.
How can I verify Thomas Joseph Fitzharris, MD's license?
NPPES lists Texas license number G9273, 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 Thomas Joseph Fitzharris, MD prescribe under Medicare Part D?
In 2024, Thomas Joseph Fitzharris, MD had 535 Medicare Part D claims for 197 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.