Mary Jeanne O'Gara, MD
Internal Medicine Physician · Indianapolis, IN
Mary Jeanne O'Gara, MD is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1952453409, issued on Jan 17, 2007. Check the license (Indiana 1062672A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Mary Jeanne O'Gara
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1062672A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3520 Guion RD, Indianapolis, IN 46222
- Phone
- (317) 920-3240
- Enumerated
- Jan 17, 2007
- Record last updated
- Sep 29, 2025
- Medicaid ID
- 200849810 IN
- Medicare enrollment
- Enrolled (PECOS I20070606000632); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 3520 Guion RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Jeanne O'Gara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 1062672ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,532 Medicare Part D claims for 195 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium169 claims
- Amlodipine Besylate96 claims
- Metformin Hcl Er61 claims
- Losartan Potassium55 claims
- Jardiance53 claims
- Lisinopril52 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $85.44
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Community Physicians OF Indiana IncIndianapolis, IN
- The Health And Hospital Corporation OF Marion CountyIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Jeanne O'Gara among 2,109 internal medicine physician records in Indiana
Mary Jeanne O'Gara, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 48% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2005 among the 1,448 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
699 internal medicine physician records list a practice address in Indianapolis
They are 699 of the 30,493 NPPES records with a practice address in Indianapolis, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Indianapolis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Saif Choudhury, M.D.Indianapolis, IN 462221447540943
- Delores Kotschwar, M.D.Indianapolis, IN 462221316972672
- Jason Wodley, DOIndianapolis, IN 462221780379172
- Varon Cantrell, MDIndianapolis, IN 462211750500070
- Kathleen Cohenour, M.D.Indianapolis, IN 462211881681682
- Christen Prible, M.D.Indianapolis, IN 462211285830380
- Richard Reifenberg, M.D.Indianapolis, IN 462211730177460
- Seshagiri Veerapaneni, MDIndianapolis, IN 462211265954093
Common questions
What is Mary Jeanne O'Gara, MD's NPI number?
Mary Jeanne O'Gara, MD's National Provider Identifier (NPI) is 1952453409, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Jeanne O'Gara, MD located?
The NPPES record lists a practice address at 3520 Guion RD, Indianapolis, IN, 46222. Phone: (317) 920-3240. Providers update this record themselves, so call before visiting.
How can I verify Mary Jeanne O'Gara, MD's license?
NPPES lists Indiana license number 1062672A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Jeanne O'Gara, MD prescribe under Medicare Part D?
In 2024, Mary Jeanne O'Gara, MD had 1,532 Medicare Part D claims for 195 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.