Doctor profile · Federal record
Dr. John Koval, MD
Internal Medicine Physician (CMS: Internal Medicine) · Youngstown, OH
- NPI 1992773451
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7641 Market St Ste 2
Youngstown, OH 445125980
(330) 884-2444
fax (330) 965-4836 - Mailing address
-
7629 Market St Ste 200
Youngstown, OH 445126082
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- April 13, 2015
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35048160
- Medicaid
- OH #0514616
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992773451. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,241
Distinct HCPCS
10
Medicare allowed
$196,316
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 893 | 331 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 404 | 207 | $86 | |
85610 |
Blood test, clotting time | 167 | 13 | $4 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 164 | 39 | $76 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 84 | 18 | $1 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 61 | 61 | $76 | |
G0008 |
Administration of influenza virus vaccine | 61 | 61 | $29 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 59 | 45 | $54 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 55 | 43 | $168 | |
99238 |
Hospital discharge day management, 30 minutes or less | 49 | 42 | $78 |
In context: peer comparison
Among 25 peers in this city , average services per provider: 115. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
7,776
Patients
2,079
Total drug cost
$407,283
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,196 | 312 | $12,764 |
| Levothyroxine Sodium | Generic | 856 | 213 | $13,511 |
| Amlodipine Besylate | Generic | 818 | 224 | $6,006 |
| Metoprolol Succinate | Generic | 722 | 181 | $15,339 |
| Pantoprazole Sodium | Generic | 539 | 142 | $6,076 |
| Lisinopril | Generic | 468 | 123 | $3,151 |
| Rosuvastatin Calcium | Generic | 452 | 129 | $7,260 |
| Prednisone | Generic | 405 | 200 | $2,690 |
| Losartan Potassium | Generic | 393 | 103 | $4,669 |
| Eliquis (Apixaban) | Brand | 362 | 67 | $315,453 |
Hospital affiliations
Frequently asked questions
What is Dr. John Koval's medical specialty?
Dr. John Koval practices Internal Medicine Physician in Youngstown, OH.
Where does Dr. John Koval practice?
Dr. John Koval practices at 7641 Market St Ste 2, Youngstown, OH 445125980. Office phone: 3308842444.
What is Dr. John Koval's NPI?
Dr. John Koval's National Provider Identifier (NPI) is 1992773451, issued by NPPES.
Does Dr. John Koval accept Medicare assignment?
Yes. Dr. John Koval accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Koval commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Blood test, clotting time (HCPCS 85610). Source: CMS Medicare Physician & Other Practitioners file.