Gregg Koval, M.D.
NPI 1659472363 · Internal Medicine Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Koval, M.D. is a Internal Medicine Physician provider in Atlanta, GA (NPI 1659472363).
Provider details
- NPI number
- 1659472363
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 025202 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,899 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $134 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 207 | $14 |
| Prolonged Preventive Service(s) (beyond the Typical Service Time of the Primary Procedure), in the Office Or Other Outpatient Setting Requiring Direct Patient Contact Beyond the Usual Service; First 30 Minutes (list Separately in Addition to Code for PreveG0513 | 192 | $67 |
| Test to Measure Expiratory Airflow and Volume94010 | 185 | $28 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 182 | $138 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 321 | 89 |
| Atorvastatin Calcium | 287 | 72 |
| Amlodipine Besylate | 268 | 76 |
| Losartan Potassium | 204 | 56 |
| Levothyroxine Sodium | 196 | 59 |
| Omeprazole | 122 | 28 |
| Trazodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,147 across 60 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2010-12-02
Frequently asked questions
- What is Gregg Koval's NPI number?
- Gregg Koval's National Provider Identifier (NPI) is 1659472363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Koval's specialty?
- Gregg Koval is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Koval located?
- Gregg Koval's practice location on file with NPPES is 5667 Peachtree Dunwoody Road, Atlanta, GA 30342.
- What is Gregg Koval's phone number?
- The practice phone number listed in the NPPES registry for Gregg Koval is (404) 256-0775.
- Does Gregg Koval accept Medicare?
- Gregg Koval is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Koval's NPI active?
- Yes — Gregg Koval's NPI (1659472363) is active in the NPPES registry as of the last update on 2010-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.