NPPES file of Aug 9, 2026

Steven C. Mays, D.O.

Emergency Medicine Physician · San Antonio, TX

Steven C. Mays, D.O. is an emergency medicine physician with a practice address in San Antonio, Texas, and NPI 1376556811, issued on Aug 15, 2006. Check the license (Texas G4169, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376556811
Name
Steven C. Mays
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G4169 TX
Self-reported in NPPES; status is on the state search
Practice location
18945 FM 2252 Ste 211, San Antonio, TX 78266
Phone
(210) 651-4621
Enumerated
Aug 15, 2006
Record last updated
Nov 2, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(210) 651-4622
Medicare enrollment
Enrolled (PECOS I20051108000720); accepts Medicare assignment
Medical or professional school
Kansas City College Of Medicine And Surgery, 1975
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Steven C. Mays in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G4169
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

76% fewer Medicare Part D claims than the average emergency medicine physician in 2024

55 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Steven Mays55
  2. Specialty average226

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: $499.01

15 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Mays$499.01
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Apsley Medical Group, P.A.San Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven C. Mays among 4,885 emergency medicine physician records in Texas

Steven C. Mays, D.O. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1975 · median 2013 among the 2,779 with a school on file
  • Record last updated2007 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

400 emergency medicine physician records list a practice address in San Antonio

They are 400 of the 37,749 NPPES records with a practice address in San Antonio, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Salvador Abrams, MDSan Antonio, TX 782611790891661
  2. Malcolm Solley, M.DSan Antonio, TX 782611063522829
  3. Philip Czekaj, MDSan Antonio, TX 782601710935184
  4. Sherif Shamaa, M.D.San Antonio, TX 782591669438719
  5. Robert Allen, D.O.San Antonio, TX 782581225189988
  6. Charles FlowersSan Antonio, TX 782581346701901
  7. William Friedrich, DOSan Antonio, TX 782581417921479
  8. Jennifer Gonzales, D.O.San Antonio, TX 782581598991671

Common questions

What is Steven C. Mays, D.O.'s NPI number?

Steven C. Mays, D.O.'s National Provider Identifier (NPI) is 1376556811, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven C. Mays, D.O. located?

The NPPES record lists a practice address at 18945 FM 2252 Ste 211, San Antonio, TX, 78266. Phone: (210) 651-4621. Providers update this record themselves, so call before visiting.

How can I verify Steven C. Mays, D.O.'s license?

NPPES lists Texas license number G4169, 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 Steven C. Mays, D.O. prescribe under Medicare Part D?

In 2024, Steven C. Mays, D.O. had 55 Medicare Part D claims for 24 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.