John Carter, MD
Neurology Physician · San Antonio, TX
John Carter, MD is a neurology physician with a practice address in San Antonio, Texas, and NPI 1548377526, issued on Aug 24, 2006. Check the license (Texas G3952, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Carter
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- G3952 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8300 Floyd Curl Dr, San Antonio, TX 78229
- Phone
- (210) 450-9400
- Enumerated
- Aug 24, 2006
- Record last updated
- Jun 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (210) 450-6024
- Medicaid IDs
- 118249503 TX
118249504 TX - Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,382 in Texas → Look up another NPI →
Also registered at 8300 Floyd Curl Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Carter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G3952Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average neurology physician in 2024
123 Medicare Part D claims for 35 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Mycophenolate Mofetil67 claims
- Pyridostigmine Bromide23 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.
John Carter among 1,382 neurology physician records in Texas
John Carter, MD is one of 1,382 neurology 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 61% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2016 · 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 2084N0400X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Texas
There are 1,382 neurology physician records in Texas.
All 1,382 in Texas → Every provider in San Antonio → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Oscar Benavente, MDSan Antonio, TX 782291760599831
- Robin Brey, M.D.San Antonio, TX 782291790892768
- Merrill Carolin, MDSan Antonio, TX 782291912014994
- Deborah Carver, M.D.San Antonio, TX 782291902820681
- Mark Goldberg, MDSan Antonio, TX 782291801814355
- Jeffrey Harris, M.D.San Antonio, TX 782291639165749
- Robert Hermann Jr, MDSan Antonio, TX 782291215044375
- J. Scott Luther, MDSan Antonio, TX 782291356382071
Common questions
What is John Carter, MD's NPI number?
John Carter, MD's National Provider Identifier (NPI) is 1548377526, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Carter, MD located?
The NPPES record lists a practice address at 8300 Floyd Curl Dr, San Antonio, TX, 78229. Phone: (210) 450-9400. Providers update this record themselves, so call before visiting.
How can I verify John Carter, MD's license?
NPPES lists Texas license number G3952, 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 John Carter, MD prescribe under Medicare Part D?
In 2024, John Carter, MD had 123 Medicare Part D claims for 35 beneficiaries; the average among neurology physician prescribers was 1,370. 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.