DR. MARY JEANNE O'GARA MD
NPI 1952453409
Internal Medicine in Indianapolis, IN

Q: What is Mary Jeanne O'gara's NPI number?

The NPI number for Mary Jeanne O'gara is 1952453409. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Q: What is Mary Jeanne O'gara's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since January 17, 2007PECOS EnrolledAccepts Medicare Assignment

3520 GUION RD, STE 100, INDIANAPOLIS, IN 46222(317) 920-3240 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 3, 2021, Dec 13, 2016, Sep 1, 2016 (3 updates tracked since 2016).

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About Dr. Mary Jeanne O'gara Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY JEANNE O'GARA MD (NPI 1952453409) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (1062672A) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1952453409

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARY JEANNE O'GARACredential: MD

Location Address3520 GUION RD, STE 100Indianapolis, IN 46222-1692

Mailing AddressPo Box 637764Cincinnati, OH 45263-7764 · (317) 880-3939

Phone(317) 920-3240

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 2002

Enumeration DateJanuary 17, 2007

Last NPPES UpdateSeptember 29, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 29, 2025

✔ NPI 1952453409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IN · 1062672A

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3520 GUION RD, Indianapolis, IN 46222

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Secondary Practice Location 1

Location 11660 N Illinois StIndianapolis, IN 46202-0059 · Phone (317) 880-2900

Other Identifiers 2

Medicaid200849810IN

OtherP01723995IN · Railroad Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mary Jeanne O'gara Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375641855

PECOS Enrollment IDI20070606000632

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mary Jeanne O'gara reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Health And Hospital Corporation Of Marion County

2.8 mi

Federally Qualified Health Center (FQHC)

2700 DR MARTIN LUTHER KING JR ST
Indianapolis, IN 46208

Reassigned Medicare billing, Indiana enrollment
564 clinicians in this Medicare group

NPI 1942549274 (317) 931-4300

Eskenazi Medical Group Inc

3.6 mi

Adult Medicine

720 ESKENAZI AVE
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
386 clinicians in this Medicare group

NPI 1730451063 (317) 880-7666

Community Physicians Of Indiana Inc

11 mi

Family Medicine

7240 SHADELAND STATION, SUITE 300
Indianapolis, IN 46256

Reassigned Medicare billing, Indiana enrollment
2,087 clinicians in this Medicare group

NPI 1619105244 (317) 355-5555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

233 services86 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

126 services79 patients

Removal of tissue from wound, 20.0 sq cm or less 97597

This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.

85 services42 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

82 services25 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

78 services50 patients

Removal of tissue from wound, each additional 20.0 sq cm 97598

This procedure involves the careful removal of damaged tissue from a wound, typically beyond an initial 20.0 sq cm. This is done to promote healing, prevent infection, and improve the function and appearance of the area surrounding the wound.

59 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150024

Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

Community Hospital East

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150074

Location1500 N Ritter AveIndianapolis, IN 46219 · Marion County

Emergency services Birthing friendly

Community Hospital Of Anderson And Madison County

Acute Care Hospitals · Anderson, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150113

Location1515 N Madison AveAnderson, IN 46011 · Madison County

Emergency services Birthing friendly

Community Hospital North

Acute Care Hospitals · Indianapolis, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150169

Location7150 Clearvista DrIndianapolis, IN 46256 · Marion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46222 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Foam dressing, wound cover, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6212

DME-Medical/Surgical Supplies · category DA023N

2 suppliers11 claims130 services$9.33 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THOMAS E SOUTHERN MD

Surgery (Plastic and Reconstructive Surgery)

3520 GUION RD, STE 301
INDIANAPOLIS, IN 46222

Marion County (317) 926-1356

VISION OF MINORITY WOMEN, LLC

Home Health

3520 GUION RD, SUITE 308
INDIANAPOLIS, IN 46222

Marion County (317) 920-7144

GENERAL AND ADVANCED LAPAROSCOPIC SURGERY, LLC

Surgery

3520 GUION RD, SUITE 103
INDIANAPOLIS, IN 46222

Marion County (317) 682-2038

INDIANA GENERAL SURGERY, P.C.

Surgery

3520 GUION RD, SUITE 301
INDIANAPOLIS, IN 46222

Marion County (317) 924-4009

JAMES R HODGE DO

Colon & Rectal Surgery

3520 GUION RD, SUITE 307
INDIANAPOLIS, IN 46222

Marion County (317) 923-1033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Jeanne O'gara's NPI number?

The NPI number for Mary Jeanne O'gara is 1952453409. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is Mary Jeanne O'gara located?

Mary Jeanne O'gara practices at 3520 Guion Rd Ste 100, Indianapolis, IN 46222. The listed phone number is (317) 920-3240.

What is Mary Jeanne O'gara's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary Jeanne O'gara enrolled in Medicare?

Yes. Mary Jeanne O'gara is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mary Jeanne O'gara's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Jeanne O'gara reassigns Medicare benefits to 3 organizations: The Health And Hospital Corporation Of Marion County (Indianapolis, IN), Eskenazi Medical Group Inc (Indianapolis, IN) and Community Physicians Of Indiana Inc (Indianapolis, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Jeanne O'gara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Jeanne O'gara accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Mary Jeanne O'gara as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Jeanne O'gara affiliated with any hospitals?

According to CMS data, Mary Jeanne O'gara is affiliated with Eskenazi Health, Community Hospital East, Community Hospital Of Anderson And Madison County and Community Hospital North.

When was this NPI record last updated?

The NPPES record for Mary Jeanne O'gara was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.