Joan C. Bull, M.D.
Internal Medicine Physician · Houston, TX
Joan C. Bull, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1558389791, issued on Jul 17, 2006. Check the license (Texas F8811, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joan C. Bull
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- F8811 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6410 Fannin St Ste 600, Houston, TX 77030
- Phone
- (713) 704-3961
- Enumerated
- Jul 17, 2006
- Record last updated
- Apr 24, 2026
- Medicaid ID
- 134461605 TX
- Medicare enrollment
- Enrolled (PECOS I20100607000706); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1966
- Entity
- Type 1 · individual
Also registered at 6410 Fannin St Ste 600
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joan C. Bull in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F8811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
437 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium51 claims
- Levothyroxine Sodium29 claims
- Amlodipine Besylate23 claims
- Lisinopril19 claims
- Metformin Hcl18 claims
- Eliquis13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 1,488 in Houston → All 9,175 in Texas → Every provider in Houston →
Other internal medicine physician records in Texas
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- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Joan C. Bull, M.D.'s NPI number?
Joan C. Bull, M.D.'s National Provider Identifier (NPI) is 1558389791, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan C. Bull, M.D. located?
The NPPES record lists a practice address at 6410 Fannin St Ste 600, Houston, TX, 77030. Phone: (713) 704-3961. Providers update this record themselves, so call before visiting.
How can I verify Joan C. Bull, M.D.'s license?
NPPES lists Texas license number F8811, 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 Joan C. Bull, M.D. prescribe under Medicare Part D?
In 2024, Joan C. Bull, M.D. had 437 Medicare Part D claims for 51 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Joan C. Bull, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.