NPPES file of Aug 9, 2026

Mary Shannon Gallagher

Obstetrics & Gynecology Physician · San Antonio, TX

Mary Shannon Gallagher is an obstetrics & gynecology physician with a practice address in San Antonio, Texas, and NPI 1609974484, issued on Sep 20, 2006. Check the license (Texas J8542, 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
1609974484
Name
Mary Shannon Gallagher
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
J8542 TX
Self-reported in NPPES; status is on the state search
Practice location
7711 Louis Pasteur, San Antonio, TX 78229
Phone
(210) 692-9500
Enumerated
Sep 20, 2006
Record last updated
Jul 20, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(210) 616-9300
Medicaid ID
044516501 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →

Also registered at 7711 Louis Pasteur

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

  1. Bryan Cox, MDObstetrics & Gynecology Physician1659482453
  2. Christine De La Garza, MDObstetrics & Gynecology Physician1205934098
  3. Brian Harle, MDObstetrics & Gynecology Physician1134230931
  4. Heidi Heck, MDObstetrics & Gynecology Physician1750489530
  5. Parke HedgesObstetrics & Gynecology Physician1407968126
  6. John Saunders, MDOphthalmology Physician1821094319

Verify Mary Shannon Gallagher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J8542    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.

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Industry payments in 2024: $46.90

2 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Gallagher$46.90
  2. Specialty average$1,030.61

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

Mary Shannon Gallagher among 3,524 obstetrics & gynecology physician records in Texas

Mary Shannon Gallagher is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 53% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2010 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Texas

There are 3,524 obstetrics & gynecology physician records in Texas.

All 3,524 in Texas → Every provider in San Antonio → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Valentin Almendarez, M.D.San Antonio, TX 782291326037615
  2. James Bost, MDSan Antonio, TX 782291225021751
  3. Leslie Brown, MDSan Antonio, TX 782291710958400
  4. Karen Carcamo, M.D.San Antonio, TX 782291235129271
  5. Douglas Creedon, M.D.San Antonio, TX 782291295714780
  6. Rochelle David, M.D.San Antonio, TX 782291235111758
  7. David Dooley, M.D.San Antonio, TX 782291518947902
  8. Henry Garza, III, M.D.San Antonio, TX 782291962491175

Common questions

What is Mary Shannon Gallagher's NPI number?

Mary Shannon Gallagher's National Provider Identifier (NPI) is 1609974484, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Shannon Gallagher located?

The NPPES record lists a practice address at 7711 Louis Pasteur, San Antonio, TX, 78229. Phone: (210) 692-9500. Providers update this record themselves, so call before visiting.

How can I verify Mary Shannon Gallagher's license?

NPPES lists Texas license number J8542, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.