NPPES file of Aug 9, 2026

Allyson C. Larkin, MD

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · Corpus Christi, TX

Allyson C. Larkin, MD is an undersea and hyperbaric medicine (emergency medicine) physician with a practice address in Corpus Christi, Texas, and NPI 1184697708, issued on Feb 13, 2006. Check the license (Texas K5329, 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
1184697708
Name
Allyson C. Larkin
Credential
MD
Primary taxonomy
Undersea and Hyperbaric Medicine (Emergency Medicine) Physician 207PE0005X
License number
K5329 TX
Self-reported in NPPES; status is on the state search
Practice location
1215 Santa FE St, Corpus Christi, TX 78404
Phone
(361) 884-9900
Enumerated
Feb 13, 2006
Record last updated
Sep 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(361) 884-9903
Medicare enrollment
Enrolled (PECOS I20041103000718); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 1997
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

8 nearest undersea and hyperbaric medicine (emergency medicine) physician records → All 26 in Texas → Look up another NPI →

Also registered at 1215 Santa FE St

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

  1. Cecil Bourne, M.D.Internal Medicine Physician1063414134
  2. Beatriz Cazares, FNPFamily Nurse Practitioner1982263455
  3. Dzung Dang, DPMFoot & Ankle Surgery Podiatrist1346274099
  4. Nina Hinojosa, NP-CNurse Practitioner1780038240
  5. Whitney Middleton, AGPCNPNurse Practitioner1578954392
  6. Aileen Michelle Vidal, MDFamily Medicine Physician1871899732

Verify Allyson C. Larkin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K5329    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.

About as many Medicare Part D claims as the average undersea and hyperbaric medicine (emergency medicine) physician in 2024

375 Medicare Part D claims for 135 beneficiaries, against an average of 374 among the 112 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Allyson Larkin375
  2. Specialty average374

Most prescribed

  1. Doxycycline Hyclate106 claims
  2. Sulfamethoxazole-Trimethoprim51 claims
  3. Amoxicillin-Clavulanate Potass33 claims
  4. Ciprofloxacin Hcl31 claims
  5. Santyl28 claims
  6. Triamcinolone Acetonide28 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.

Bills Medicare through one group practice

  1. Wellmed Networks, Inc.Corpus Christi, TX

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

Allyson C. Larkin among 26 undersea and hyperbaric medicine (emergency medicine) physician records in Texas

Allyson C. Larkin, MD is one of 26 undersea and hyperbaric medicine (emergency medicine) physician records with a practice address in Texas. 62% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 35% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated1997 · median 1994 among the 12 with a school on file
  • Record last updated2021 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0005X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician providers in Texas

There are 26 undersea and hyperbaric medicine (emergency medicine) physician records in Texas.

All 26 in Texas → Every provider in Corpus Christi → Undersea and Hyperbaric Medicine (Emergency Medicine) Physician nationwide →

The 8 undersea and hyperbaric medicine (emergency medicine) physician records with the nearest ZIP codes

  1. Daniel DoucetCorpus Christi, TX 784041235157314
  2. Jose Rodriguez, MDMcAllen, TX 785031346655669
  3. Maria Aguinaga, MDMission, TX 785721023338902
  4. Pablo Medina, M.D.Jbsa Fort Sam Houston, TX 782341689841876
  5. Merritt Davis, Jr, D.O.San Antonio, TX 782291407963499
  6. Rasa Silenas, M.D.San Antonio, TX 782291457404360
  7. Robert Michaelson, D.O.San Antonio, TX 782241649258971
  8. Joseph Pendon, M.D.San Antonio, TX 782071750344321

Common questions

What is Allyson C. Larkin, MD's NPI number?

Allyson C. Larkin, MD's National Provider Identifier (NPI) is 1184697708, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allyson C. Larkin, MD located?

The NPPES record lists a practice address at 1215 Santa FE St, Corpus Christi, TX, 78404. Phone: (361) 884-9900. Providers update this record themselves, so call before visiting.

How can I verify Allyson C. Larkin, MD's license?

NPPES lists Texas license number K5329, 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 Allyson C. Larkin, MD prescribe under Medicare Part D?

In 2024, Allyson C. Larkin, MD had 375 Medicare Part D claims for 135 beneficiaries; the average among undersea and hyperbaric medicine (emergency medicine) physician prescribers was 374. 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.

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.