John Richard Graybill, MD
Infectious Disease Physician · San Antonio, TX
John Richard Graybill, MD is an infectious disease physician with a practice address in San Antonio, Texas, and NPI 1710094875, issued on Aug 24, 2006. Check the license (Texas E3560, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Richard Graybill
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- E3560 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4502 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 358-4000
- Enumerated
- Aug 24, 2006
- Record last updated
- Mar 30, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (210) 358-0647
- Medicaid ID
- 041972302 TX
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 674 in Texas → Look up another NPI →
Also registered at 4502 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Abarbanell, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1245497809
- Ayham AbdelAnesthesiology Physician1467147496
- Ali Abedi, M.D.Pulmonary Disease Physician1346566312
- Jordan Abel, M.D.Infectious Disease Physician1417273301
- Aesha Aboueisha, MDHospitalist Physician1225527815
- Seena Abraham, MDFamily Medicine Physician1306338561
Verify John Richard Graybill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license E3560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Richard Graybill among 674 infectious disease physician records in Texas
John Richard Graybill, MD is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 59% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2011 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Texas
There are 674 infectious disease physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 674 in Texas → Every provider in San Antonio → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Sunil Ahuja, MDSan Antonio, TX 782291417064585
- Gregory Anstead, MDSan Antonio, TX 782291144337213
- Carl Berkowitz, MDSan Antonio, TX 782291124018163
- Robert Clark, MDSan Antonio, TX 782291174630156
- George Crawford, MDSan Antonio, TX 782291417064494
- Anthony Hartzler, M.D.San Antonio, TX 782291548460314
- Jeffrey Jones, M.D.San Antonio, TX 782291003934647
- Aaron Owens, M.D.San Antonio, TX 782291578574364
Common questions
What is John Richard Graybill, MD's NPI number?
John Richard Graybill, MD's National Provider Identifier (NPI) is 1710094875, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Richard Graybill, MD located?
The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-4000. Providers update this record themselves, so call before visiting.
How can I verify John Richard Graybill, MD's license?
NPPES lists Texas license number E3560, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.