NPPES file of Aug 9, 2026

Stephen Allen May, M.D.

Clinical Cardiac Electrophysiology Physician · San Antonio, TX

Stephen Allen May, M.D. is a clinical cardiac electrophysiology physician with a practice address in San Antonio, Texas, and NPI 1689850216, issued on Jan 14, 2008. Check the license (Texas N3877, 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
1689850216
Name
Stephen Allen May
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License numbers
N3877 TX
060123 GA
Self-reported in NPPES; status is on the state search
Practice location
8715 Village Dr, San Antonio, TX 78217
Phone
(210) 590-7712
Enumerated
Jan 14, 2008
Record last updated
Oct 1, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120821001135); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2004
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

Also registered at 8715 Village Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ryan Bourne, M.D.Interventional Cardiology Physician1578730271
  2. Luis Castellanos, M.D.Obstetrics & Gynecology Physician1538158720
  3. Rebecca CavazosGynecology Physician1245229434
  4. Anna Chavana, M.D.Obstetrics & Gynecology Physician1689683039
  5. Woodward Coleman, M.D.Surgery of the Hand (Plastic Surgery) Physician1629181680
  6. Kevin Comfort, M.D.Family Medicine Physician1588611024

Verify Stephen Allen May in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N3877
    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.

72% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

476 Medicare Part D claims for 162 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Stephen May476
  2. Specialty average1,710

Most prescribed

  1. Eliquis122 claims
  2. Metoprolol Succinate85 claims
  3. Clopidogrel57 claims
  4. Metoprolol Tartrate45 claims
  5. Amiodarone Hcl32 claims
  6. Flecainide Acetate32 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: $55.76

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen May$56
  2. Specialty average$10,651

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. Bhs Physicians Network, IncSan Antonio, TX

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

Stephen Allen May among 234 clinical cardiac electrophysiology physician records in Texas

Stephen Allen May, M.D. is one of 234 clinical cardiac electrophysiology physician records with a practice address in Texas. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 34% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 91% of these records are
  • Graduated2004 · median 2001 among the 214 with a school on file
  • Record last updated2012 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Texas

There are 234 clinical cardiac electrophysiology physician records in Texas.

The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes

  1. Adam Denker, M.D.San Antonio, TX 782121205013463
  2. Roger Muse, MDSan Antonio, TX 782121700885324
  3. Zalmen Blanck, MDSan Antonio, TX 782291912976481
  4. Wassim Choucair, M.D.San Antonio, TX 782291962496620
  5. Kiran Jayaram, MDSan Antonio, TX 782291992777320
  6. Carlos Morales Mangual, M.D.San Antonio, TX 782291750764437
  7. Hemal Nayak, MDSan Antonio, TX 782291306892765
  8. David Pederson, MDSan Antonio, TX 782291700857471

Common questions

What is Stephen Allen May, M.D.'s NPI number?

Stephen Allen May, M.D.'s National Provider Identifier (NPI) is 1689850216, issued on Jan 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Allen May, M.D. located?

The NPPES record lists a practice address at 8715 Village Dr, San Antonio, TX, 78217. Phone: (210) 590-7712. Providers update this record themselves, so call before visiting.

How can I verify Stephen Allen May, M.D.'s license?

NPPES lists Texas license number N3877, 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 Stephen Allen May, M.D. prescribe under Medicare Part D?

In 2024, Stephen Allen May, M.D. had 476 Medicare Part D claims for 162 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.