Thomas M. Larkin, M.D.
Pain Medicine (Anesthesiology) Physician · Hagerstown, MD
Thomas M. Larkin, M.D. is a pain medicine (anesthesiology) physician with a practice address in Hagerstown, Maryland, and NPI 1043318587, issued on Sep 20, 2006. Check the license (Maryland D0058327, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Thomas M. Larkin
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- D0058327 MD
MD434779 PA
Self-reported in NPPES; status is on the state search - Practice location
- 17 Western Maryland Pkwy, Hagerstown, MD 21740
- Phone
- (301) 797-9240
- Enumerated
- Sep 20, 2006
- Record last updated
- Jun 2, 2026
- Fax
- (301) 797-4234
- Medicaid ID
- 412809500 MD
- Medicare enrollment
- Enrolled (PECOS I20120627000466); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 88 in Maryland → Look up another NPI →
Also registered at 17 Western Maryland Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nino Dgebuadze, M.D., PH.D.Physical Medicine & Rehabilitation Physician1679779409
- Thomas Furlow, MDNeurology Physician1366462715
- Stuart Goodman, M.D., MBANeurology Physician1982601068
- Virginia Heard, MPTPhysical Therapist1417967977
Verify Thomas M. Larkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0058327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
348 Medicare Part D claims for 104 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 103 claims were for opioids.
Most prescribed
- Gabapentin35 claims
- Tramadol Hcl23 claims
- Baclofen20 claims
- Alprazolam19 claims
- Oxycodone-Acetaminophen17 claims
- Tizanidine Hcl14 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: $673.01
29 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Pain Management Institute, LLCBethesda, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas M. Larkin among 88 pain medicine (anesthesiology) physician records in Maryland
Thomas M. Larkin, M.D. is one of 88 pain medicine (anesthesiology) physician records with a practice address in Maryland. 85% 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 · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1991 · median 2002 among the 68 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Maryland
There are 88 pain medicine (anesthesiology) physician records in Maryland.
All 88 in Maryland → Every provider in Hagerstown → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- David Jamison, M.D.Hagerstown, MD 217401497852677
- Anver Khan, D.O.Hagerstown, MD 217401992169486
- John Olenczak, MDHagerstown, MD 217401386637858
- Mohammad Akmal, MDHagerstown, MD 217421689669616
- Ijeoma Ifeanyi-Nwanze, MDHagerstown, MD 217421205272754
- Juliet Gyebi-Foster, M.D.Ijamsville, MD 217541801113022
- Sudhir Rao, M.D.Mount Airy, MD 217711629103759
- Jason Litt, M.D.Frederick, MD 217021962778142
Common questions
What is Thomas M. Larkin, M.D.'s NPI number?
Thomas M. Larkin, M.D.'s National Provider Identifier (NPI) is 1043318587, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas M. Larkin, M.D. located?
The NPPES record lists a practice address at 17 Western Maryland Pkwy, Hagerstown, MD, 21740. Phone: (301) 797-9240. Providers update this record themselves, so call before visiting.
How can I verify Thomas M. Larkin, M.D.'s license?
NPPES lists Maryland license number D0058327, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas M. Larkin, M.D. prescribe under Medicare Part D?
In 2024, Thomas M. Larkin, M.D. had 348 Medicare Part D claims for 104 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.