NPPES file of Aug 9, 2026

Amber C. O'Leary, M.D.

Obstetrics & Gynecology Physician · Harrisburg, PA

Amber C. O'Leary, M.D. is an obstetrics & gynecology physician with a practice address in Harrisburg, Pennsylvania, and NPI 1104048487, issued on May 3, 2007. Check the license (Pennsylvania MD439770, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104048487
Name
Amber C. O'Leary
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD439770 PA
Self-reported in NPPES; status is on the state search
Practice location
121 N Nyes RD Ste C, Harrisburg, PA 17112
Phone
(717) 657-4045
Enumerated
May 3, 2007
Record last updated
Mar 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(717) 531-0405
Medicaid ID
1025107590001 PA
Medicare enrollment
Enrolled (PECOS I20101116000237); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 121 N Nyes RD Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brittney Jamison, CRNP, WHNP-BCWomen's Health Nurse Practitioner1770381915
  2. Alea Saunders, CRNPNurse Practitioner1083480131

Verify Amber C. O'Leary in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD439770
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

53 Medicare Part D claims for 25 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Amber O'Leary53
  2. Specialty average165

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score48.3
  2. Costout of 100 · 30%57.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $106.20

1 payment: food and beverage; the largest payer was Baxter Healthcare. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amber O'Leary$106.20
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Milton S Hershey Medical Center Physicians GroupHarrisburg, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Amber C. O'Leary among 1,974 obstetrics & gynecology physician records in Pennsylvania

Amber C. O'Leary, M.D. is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 49% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2006 · median 2007 among the 1,176 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Pennsylvania

There are 1,974 obstetrics & gynecology physician records in Pennsylvania.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Lawrence Silver, M.D.Harrisburg, PA 171121568764181
  2. Emma Cargado-Leynes, DOHarrisburg, PA 171111447245907
  3. Richard Crispino, MDHarrisburg, PA 171111659366995
  4. Margaret Hawn, MDHarrisburg, PA 171111114912672
  5. Wendy Heaton, DOHarrisburg, PA 171111356873038
  6. Parul Iyer, MDHarrisburg, PA 171111548255011
  7. Kenneth Oken, MDHarrisburg, PA 171111043205503
  8. Andrew Perrotti, MDHarrisburg, PA 171111134115801

Common questions

What is Amber C. O'Leary, M.D.'s NPI number?

Amber C. O'Leary, M.D.'s National Provider Identifier (NPI) is 1104048487, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Amber C. O'Leary, M.D. located?

The NPPES record lists a practice address at 121 N Nyes RD Ste C, Harrisburg, PA, 17112. Phone: (717) 657-4045. Providers update this record themselves, so call before visiting.

How can I verify Amber C. O'Leary, M.D.'s license?

NPPES lists Pennsylvania license number MD439770, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Amber C. O'Leary, M.D. prescribe under Medicare Part D?

In 2024, Amber C. O'Leary, M.D. had 53 Medicare Part D claims for 25 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Amber C. O'Leary, M.D.'s MIPS final score?

The 2023 MIPS final score is 71.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.