Mary Jeanne O'Gara, MD
NPI 1952453409 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Jeanne O'Gara, MD is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1952453409).
Provider details
- NPI number
- 1952453409
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1062672A (IN)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
716 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) |
|---|---|---|
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 233 | $55 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $61 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 85 | $33 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 82 | $23 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 78 | $33 |
| Removal of Tissue From Wound, Each Additional 20.0 Sq Cm97598 | 59 | $22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 169 | 34 |
| Amlodipine Besylate | 96 | 21 |
| Metformin Hclbrand: Metformin Hcl Er | 61 | 16 |
| Losartan Potassium | 55 | 12 |
| Empagliflozinbrand: Jardiance | 53 | — |
| Lisinopril | 52 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$85 across 4 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
Additional practice locations (1)
- 1660 N Illinois StIndianapolis, IN 46202-0059Phone: (317) 880-2900
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Mary Jeanne O'Gara's NPI number?
- Mary Jeanne O'Gara's National Provider Identifier (NPI) is 1952453409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jeanne O'Gara's specialty?
- Mary Jeanne O'Gara is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Jeanne O'Gara located?
- Mary Jeanne O'Gara's practice location on file with NPPES is 3520 Guion Rd, Indianapolis, IN 46222-1692.
- What is Mary Jeanne O'Gara's phone number?
- The practice phone number listed in the NPPES registry for Mary Jeanne O'Gara is (317) 920-3240.
- Does Mary Jeanne O'Gara accept Medicare?
- Mary Jeanne O'Gara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Jeanne O'Gara's NPI active?
- Yes — Mary Jeanne O'Gara's NPI (1952453409) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.