Doctor profile · Federal record
Dr. Thomas Marnejon, DO
Internal Medicine Physician (CMS: Internal Medicine) · Youngstown, OH
- NPI 1891898607
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1001 Covington St
Youngstown, OH 445101617
(330) 480-2616
fax (330) 480-7979
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- April 13, 2019
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #34004912
- Medicaid
- OH #0866013
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891898607. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
34
Distinct HCPCS
2
Medicare allowed
$2,683
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 15 | $64 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 15 | $94 |
In context: peer comparison
Among 25 peers in Youngstown Internal Medicine Physician, average services per provider: 115. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
47
Patients
11
Total drug cost
$818
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 18 | 0 | $546 |
| Atorvastatin Calcium | Generic | 16 | 11 | $218 |
| Amlodipine Besylate | Generic | 13 | 0 | $54 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Marnejon's medical specialty?
Dr. Thomas Marnejon practices Internal Medicine Physician in Youngstown, OH.
Where does Dr. Thomas Marnejon practice?
Dr. Thomas Marnejon practices at 1001 Covington St, Youngstown, OH 445101617. Office phone: 3304802616.
What is Dr. Thomas Marnejon's NPI?
Dr. Thomas Marnejon's National Provider Identifier (NPI) is 1891898607, issued by NPPES.
Does Dr. Thomas Marnejon accept Medicare assignment?
Yes. Dr. Thomas Marnejon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Marnejon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.