Claire Fitzgerald Harrison, MD
Internal Medicine Physician · Austin, TX
Claire Fitzgerald Harrison, MD is an internal medicine physician with a practice address in Austin, Texas, and NPI 1821610098, issued on May 11, 2020. Check the license (Texas BP10070654, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Claire Fitzgerald Harrison
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- BP10070654 TX
U3231 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Red River St, Austin, TX 78701
- Phone
- (512) 324-7000
- Enumerated
- May 11, 2020
- Record last updated
- Jun 23, 2023
- Medicare enrollment
- Enrolled (PECOS I20230515001889); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2020
- 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 1500 Red River St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Claire Fitzgerald Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license BP10070654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,437 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium104 claims
- Levothyroxine Sodium68 claims
- Amlodipine Besylate59 claims
- Losartan Potassium54 claims
- Gabapentin48 claims
- Hydrochlorothiazide46 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: $95.66
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. 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 2 group practices
- The University OF Texas AT AustinAustin, TX
- University OF Texas AT Austin Dell Medical SchoolAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claire Fitzgerald Harrison among 9,175 internal medicine physician records in Texas
Claire Fitzgerald Harrison, 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2004 among the 6,088 with a school on file
- Record last updated2023 · 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).
606 internal medicine physician records list a practice address in Austin
They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Swati Avashia, M.D.Austin, TX 787011740291319
- Teresa Coats, M.D.Austin, TX 787011992889844
- Jadranko Corak, M.D.Austin, TX 787011801960364
- Arshad Ghauri, M.D.Austin, TX 787011699849125
- Mark Hernandez, M.D.Austin, TX 787011093783490
- Celina Mankey, MDAustin, TX 787011427048149
- Tahir Mian, M.D.Austin, TX 787011679517015
- Lysbeth Miller, M.D.Austin, TX 787011285708305
Common questions
What is Claire Fitzgerald Harrison, MD's NPI number?
Claire Fitzgerald Harrison, MD's National Provider Identifier (NPI) is 1821610098, issued on May 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Claire Fitzgerald Harrison, MD located?
The NPPES record lists a practice address at 1500 Red River St, Austin, TX, 78701. Phone: (512) 324-7000. Providers update this record themselves, so call before visiting.
How can I verify Claire Fitzgerald Harrison, MD's license?
NPPES lists Texas license number BP10070654, 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 Claire Fitzgerald Harrison, MD prescribe under Medicare Part D?
In 2024, Claire Fitzgerald Harrison, MD had 1,437 Medicare Part D claims for 247 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.