THOMAS M LARKIN (M.D.) – Anesthesiology Physician, NPI 1043318587
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,397 ANESTHESIOLOGY in MD
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Provider Addresses for THOMAS M LARKIN (M.D.)
3421 CONCORD RD
YORK, PA 174029001
Phone: (301) 797-9240
Fax: (301) 797-4234
Type: Mailing
17, Western Maryland Parkway, Hagerstown, Washington County, Maryland, 21740, United States
SUITE 100
HAGERSTOWN, MD 217405471
Phone: (301) 797-6389
Fax: (301) 797-4119
Type: Mailing
601 MEMORY LN
YORK, PA 174022231
Phone: (717) 851-1405
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $1,260.
Total Amount is formed as General ($1,260) + Research ($0) + Ownership ($0) = $1,260.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Abbott Laboratories ($287).
Total Amount
$1,260
General + Research + Ownership
Payments
51
Total payment records
General Amount
$1,260
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $287 |
| Nevro Corp. | $245 |
| Collegium Pharmaceutical, Inc. | $200 |
| Boston Scientific Corporation | $64 |
| Medtronic, Inc. | $64 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-07-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050721000220 | I | Interventional Pain Management | DC | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 675 | 249 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 387 | 72 | $0 |
| 96127 | Assessment of emotional or behavioral problems | 339 | 147 | $0 |
| 80307 | Testing for presence of drug, by chemistry analyzers | 295 | 116 | $0 |
| 64483 | Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 224 | 160 | $0 |
Insurance plans in this area (ZIP 17402)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MD | |
| Physical Medicine And Rehabilitation | MD | |
| Internal Medicine | MD | |
| Internal Medicine | MA | |
| Internal Medicine, Medical Oncology, Hematology, Internal Medicine | ME | |
| Orthopedic Surgery | MD | |
| Internal Medicine | MD | |
| Physician Assistant | NY | |
| Internal Medicine | MD | |
| Neuropsychiatry, Neurology | PA |
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