Doctor profile · Federal record

Dr. Mary Jeanne O'Gara, MD

Internal Medicine Physician (CMS: Internal Medicine) · Indianapolis, IN

  • NPI 1952453409
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3520 Guion RD, Ste 100
Indianapolis, IN 462221692
(317) 920-3240
Additional location
1660 N Illinois St
Indianapolis, IN 462020059
(317) 880-2900
Mailing address
Po Box 637764
Cincinnati, OH 452637764

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
September 29, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #1062672A
Medicaid
IN #200849810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952453409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,052
Distinct HCPCS
9
Medicare allowed
$47,734
HCPCS Description Services Patients Avg allowed
11042 Removal of skin and tissue, 20.0 sq cm or less 312 94 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 231 99 $60
11045 Removal of skin and tissue, each additional 20.0 sq cm or less 166 26 $23
17250 Application of chemical to stop tissue regrowth in wound 101 22 $26
97597 Removal of tissue from wound, 20.0 sq cm or less 82 41 $32
97598 Removal of tissue from wound, each additional 20.0 sq cm 71 16 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 39 25 $89
99212 Established patient office or other outpatient visit, 10-19 minutes 26 22 $33
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $77

In context: peer comparison

Among 195 peers in Indianapolis Internal Medicine Physician, average services per provider: 101. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $71.62
Smith+Nephew, INC. 1 $13.82

By nature of payment

Food and Beverage
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
474
Patients
43
Total drug cost
$29,538
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 71 12 $354
Atorvastatin Calcium Generic 68 14 $541
Metformin Hcl Generic 36 0 $254
Losartan Potassium Generic 34 0 $332
Metformin Hcl ER (Metformin Hcl) Brand 33 0 $202
Fluticasone Propionate Generic 32 0 $440
Levothyroxine Sodium Generic 31 0 $301
Omeprazole Generic 27 0 $494
Naproxen Generic 24 0 $200
Lisinopril Generic 23 0 $100

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Jeanne O'Gara's medical specialty?
Dr. Mary Jeanne O'Gara practices Internal Medicine Physician in Indianapolis, IN.
Where does Dr. Mary Jeanne O'Gara practice?
Dr. Mary Jeanne O'Gara practices at 3520 Guion RD, Indianapolis, IN 462221692. Office phone: 3179203240.
What is Dr. Mary Jeanne O'Gara's NPI?
Dr. Mary Jeanne O'Gara's National Provider Identifier (NPI) is 1952453409, issued by NPPES.
Does Dr. Mary Jeanne O'Gara accept Medicare assignment?
Yes. Dr. Mary Jeanne O'Gara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Jeanne O'Gara commonly perform?
Top Medicare-reported procedures in 2023: Removal of skin and tissue, 20.0 sq cm or less (HCPCS 11042); Established patient office or other outpatient visit (HCPCS 99213); Removal of skin and tissue, each additional 20.0 sq cm or less (HCPCS 11045). Source: CMS Medicare Physician & Other Practitioners file.