Delia Elizabeth Bullock, M.D.
Internal Medicine Physician · San Antonio, TX
Delia Elizabeth Bullock, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1598748097, issued on Nov 29, 2005. Check the license (Texas J4013, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Delia Elizabeth Bullock
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- J4013 TX
Self-reported in NPPES; status is on the state search - Practice location
- 903 West Martin, San Antonio, TX 78207
- Phone
- (210) 358-3710
- Enumerated
- Nov 29, 2005
- Record last updated
- Nov 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (210) 358-5941
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Delia Elizabeth Bullock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J4013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average internal medicine physician in 2024
4,532 Medicare Part D claims for 304 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims. 52 claims were for opioids.
Most prescribed
- Biktarvy876 claims
- Tivicay357 claims
- Dovato253 claims
- Triumeq244 claims
- Atorvastatin Calcium231 claims
- Juluca154 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: $79.39
3 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. 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.
Delia Elizabeth Bullock among 9,175 internal medicine physician records in Texas
Delia Elizabeth Bullock, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2011 · 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).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Annie Chacko, MDSan Antonio, TX 782071598878787
- Jorge Estrada, M.D.San Antonio, TX 782071346274495
- Ernesto Garza, M.D.San Antonio, TX 782071376685115
- Sarah Lapey, MDSan Antonio, TX 782071619084787
- David Montemayor, M.D.San Antonio, TX 782071255343042
- Nasser Nakissa, MDSan Antonio, TX 782071689774010
- Ambili Ramachandran, M.D.San Antonio, TX 782071467696047
- Samuel Rivera, M.D.San Antonio, TX 782071124164892
Common questions
What is Delia Elizabeth Bullock, M.D.'s NPI number?
Delia Elizabeth Bullock, M.D.'s National Provider Identifier (NPI) is 1598748097, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Delia Elizabeth Bullock, M.D. located?
The NPPES record lists a practice address at 903 West Martin, San Antonio, TX, 78207. Phone: (210) 358-3710. Providers update this record themselves, so call before visiting.
How can I verify Delia Elizabeth Bullock, M.D.'s license?
NPPES lists Texas license number J4013, 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 Delia Elizabeth Bullock, M.D. prescribe under Medicare Part D?
In 2024, Delia Elizabeth Bullock, M.D. had 4,532 Medicare Part D claims for 304 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.