Physician Profile
Unclaimed ProfileAbout KOVAL
John M Koval, MD practises internal medicine in Youngstown, OH. John is a 1980 graduate of Medical College of Ohio.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Koval's specialty?
Dr. Koval is an internal medicine in Youngstown, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Koval?
Dr. Koval is listed at 7641 MARKET ST STE 2, Youngstown, OH 44512. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Koval?
The number on file is (330) 884-2444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Koval?
Dr. Koval's National Provider Identifier is 1992773451. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Koval's medical education?
Dr. Koval attended Medical College of Ohio, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Koval have?
Dr. Koval has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Koval known for?
According to Medicare billing data, Dr. Koval provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Koval's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Koval. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (330) 884-2444
- Email not available
Practice Locations
7641 MARKET ST STE 2
Youngstown, OH 44512
Procedures Most Often Billed to Medicare
1,752 services · 783 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
44 |
| Influenza vaccine, inactivated | Treatment | 90653 |
35 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
32 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
14 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
96 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
68 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
829 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
307 |
| Blood test, clotting time | Lab test | 85610 |
124 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
48 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internal medicines in Youngstown 8
Same specialty, same city.
Trained at Medical College of Ohio 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at Medical College of Ohio 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in OH who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.