Sheldon Chaffer, M.D.
Internal Medicine Physician · Gatesville, TX
Sheldon Chaffer, M.D. is an internal medicine physician with a practice address in Gatesville, Texas, and NPI 1598727844, issued on Apr 3, 2006. Check the license (Texas L3937, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sheldon Chaffer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L3937 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1507 W Main St, Gatesville, TX 76528
- Phone
- (254) 865-2166
- Enumerated
- Apr 3, 2006
- Entity
- Type 1 · individual
Also registered at 1507 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Bari, DPMPodiatrist1629573852
- Amy Bass, APRN, FNP-CPrimary Care Nurse Practitioner1558075192
- Nicole Batcheller, FNP-CFamily Nurse Practitioner1861150385
- Jeffrey Bates, M.D.Hospitalist Physician1134215643
- Jacob Battle, M.D.Orthopaedic Surgery Physician1477513190
- John Bawduniak, M.D.Surgery Physician1013111236
Verify Sheldon Chaffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L3937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
45% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,545 Medicare Part D claims for 182 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Torsemide172 claims
- Jardiance115 claims
- Lisinopril113 claims
- Potassium Chloride104 claims
- Losartan Potassium83 claims
- Spironolactone51 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: $153.40
4 payments, mostly food and beverage; the largest payer was Supernus Pharmaceuticals, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Coryell County Memorial Hospital AuthorityGatesville, TX
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 internal medicine physician records list a Gatesville practice address
They are 2 of the 152 NPPES records with a Gatesville practice address, and 11,069 internal medicine physician records in Texas.
All 2 in Gatesville → All 11,069 in Texas → Every provider in Gatesville →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Pedro Abanto, M.D.McAllen, TX1982840393
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
Common questions
What is Sheldon Chaffer, M.D.'s NPI number?
Sheldon Chaffer, M.D.'s National Provider Identifier (NPI) is 1598727844, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sheldon Chaffer, M.D. located?
The NPPES record lists a practice address at 1507 W Main St, Gatesville, TX, 76528. Phone: (254) 865-2166. Providers update this record themselves, so call before visiting.
How can I verify Sheldon Chaffer, M.D.'s license?
NPPES lists Texas license number L3937, 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 Sheldon Chaffer, M.D. prescribe under Medicare Part D?
In 2024, Sheldon Chaffer, M.D. had 1,545 Medicare Part D claims for 182 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.