John Donnelly, M.D.
NPI 1346242823 · Obstetrics & Gynecology Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Donnelly, M.D. is a Obstetrics & Gynecology Physician provider in Marietta, GA (NPI 1346242823).
Provider details
- NPI number
- 1346242823
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 028398 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
438 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) |
|---|---|---|
| Blood Count, Hemoglobin85018 | 101 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $90 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 65 | $43 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 53 | $39 |
| Screening 3d Breast Mammography77063 | 42 | $51 |
| Screening Mammography77067 | 41 | $125 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 99 | 33 |
| Alprazolam | 65 | 16 |
| Progesterone, Micronizedbrand: Progesterone | 44 | — |
| Zolpidem Tartrate | 42 | 15 |
| Estradiol/Norethindrone Acetbrand: Estradiol-Norethindrone Acetat | 25 | — |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 24 | 17 |
| Mirabegronbrand: Myrbetriq |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$530 across 26 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
- 2005-08-15
- Last updated
- 2017-03-23
Frequently asked questions
- What is John Donnelly's NPI number?
- John Donnelly's National Provider Identifier (NPI) is 1346242823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Donnelly's specialty?
- John Donnelly is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Donnelly located?
- John Donnelly's practice location on file with NPPES is 4800 Olde Towne Pkwy, Marietta, GA 30068-4357.
- What is John Donnelly's phone number?
- The practice phone number listed in the NPPES registry for John Donnelly is (770) 977-1510.
- Does John Donnelly accept Medicare?
- John Donnelly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Donnelly's NPI active?
- Yes — John Donnelly's NPI (1346242823) is active in the NPPES registry as of the last update on 2017-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.