Jonathan Masor, M.D.
NPI 1790884328 · Internal Medicine Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Masor, M.D. is a Internal Medicine Physician provider in Atlanta, GA (NPI 1790884328).
Provider details
- NPI number
- 1790884328
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26595 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
697 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 296 | $127 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 170 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $90 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 54 | $14 |
| Administration of Influenza Virus VaccineG0008 | 31 | $32 |
| Hemoglobin A1c Level83036 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 582 | 178 |
| Amlodipine Besylate | 338 | 101 |
| Lisinopril | 303 | 94 |
| Levothyroxine Sodium | 196 | 56 |
| Metoprolol Succinate | 178 | 45 |
| Hydrochlorothiazide | 175 | 57 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2015-10-08
Frequently asked questions
- What is Jonathan Masor's NPI number?
- Jonathan Masor's National Provider Identifier (NPI) is 1790884328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Masor's specialty?
- Jonathan Masor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Masor located?
- Jonathan Masor's practice location on file with NPPES is The Emory Clinic, Atlanta, GA 30322-1013.
- What is Jonathan Masor's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Masor is (404) 778-0480.
- Does Jonathan Masor accept Medicare?
- Jonathan Masor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Masor's NPI active?
- Yes — Jonathan Masor's NPI (1790884328) is active in the NPPES registry as of the last update on 2015-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.