Donald S. Hanser, M.D.
General Practice Physician · Houston, TX
Donald S. Hanser, M.D. is a general practice physician with a practice address in Houston, Texas, and NPI 1982611505, issued on Aug 3, 2006. Check the license (Texas E5777, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald S. Hanser
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- E5777 TX
Self-reported in NPPES; status is on the state search - Practice location
- 427 W 20TH St, Houston, TX 77008
- Phone
- (713) 864-8400
- Enumerated
- Aug 3, 2006
- Record last updated
- Jun 13, 2022
- Fax
- (713) 864-5235
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,062 in Texas → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Donald S. Hanser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license E5777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average general practice physician in 2024
1,073 Medicare Part D claims for 195 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium65 claims
- Levothyroxine Sodium50 claims
- Alprazolam49 claims
- Amlodipine Besylate49 claims
- Simvastatin35 claims
- Metformin Hcl25 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.
Donald S. Hanser among 1,062 general practice physician records in Texas
Donald S. Hanser, M.D. is one of 1,062 general practice physician records with a practice address in Texas. 44% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 75% newer
- In a Medicare fileYes · 44% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2022 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Texas
There are 1,062 general practice physician records in Texas.
All 1,062 in Texas → Every provider in Houston → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Manuel Garcia Galdo, MDHouston, TX 770081366008625
- Michael Hoffmann, MDHouston, TX 770081255624235
- Arlette Pharo, DOHouston, TX 770081225236102
- Vivienne Bryan, MDHouston, TX 770071558665117
- Robert Castillo, MDHouston, TX 770071396799128
- Tran Le, MDHouston, TX 770071194212258
- Trenton Morgan, MDHouston, TX 770071992294250
- Zachary Franco, MD PHD MPHHouston, TX 770061700042330
Common questions
What is Donald S. Hanser, M.D.'s NPI number?
Donald S. Hanser, M.D.'s National Provider Identifier (NPI) is 1982611505, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald S. Hanser, M.D. located?
The NPPES record lists a practice address at 427 W 20TH St, Houston, TX, 77008. Phone: (713) 864-8400. Providers update this record themselves, so call before visiting.
How can I verify Donald S. Hanser, M.D.'s license?
NPPES lists Texas license number E5777, 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 Donald S. Hanser, M.D. prescribe under Medicare Part D?
In 2024, Donald S. Hanser, M.D. had 1,073 Medicare Part D claims for 195 beneficiaries; the average among general practice physician prescribers was 3,030. 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.