Catherine M. O'Hara, M.D.
Internal Medicine Physician · Pittsburgh, PA
Catherine M. O'Hara, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1700015500, issued on Jul 14, 2009. Check the license (Pennsylvania MD449900, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Catherine M. O'Hara
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD449900 PA
2012-01522 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Bower Hill RD, Pittsburgh, PA 15243
- Phone
- (412) 942-4000
- Enumerated
- Jul 14, 2009
- Record last updated
- Sep 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131023000779); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1000 Bower Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kavya ArvindStudent in an Organized Health Care Education/Training Program1225968126
- Aniket Asees, BAStudent in an Organized Health Care Education/Training Program1063201549
- Ashley AshaoluCertified Registered Nurse Anesthetist1124575782
Verify Catherine M. O'Hara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD449900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
169 Medicare Part D claims for 76 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass14 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.
Bills Medicare through one group practice
- St Clair Professional Services IncPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine M. O'Hara among 7,300 internal medicine physician records in Pennsylvania
Catherine M. O'Hara, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 47% of them.
- NPI issued2009 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2009 · median 2008 among the 4,208 with a school on file
- Record last updated2013 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nicholas Ditullio, MDPittsburgh, PA 152431275597619
- Joseph Endrich, M.D.Pittsburgh, PA 152431831187582
- Daniel Jackson, DOPittsburgh, PA 152431881857381
- Donald Kushner, M.D.Pittsburgh, PA 152431295792455
- Paul Lobur, M.D.Pittsburgh, PA 152431245236975
- Shirley McElhattan, MDPittsburgh, PA 152431992779847
- David MillerPittsburgh, PA 152431811998081
- Danilo Policarpio, MDPittsburgh, PA 152431497717920
Common questions
What is Catherine M. O'Hara, M.D.'s NPI number?
Catherine M. O'Hara, M.D.'s National Provider Identifier (NPI) is 1700015500, issued on Jul 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Catherine M. O'Hara, M.D. located?
The NPPES record lists a practice address at 1000 Bower Hill RD, Pittsburgh, PA, 15243. Phone: (412) 942-4000. Providers update this record themselves, so call before visiting.
How can I verify Catherine M. O'Hara, M.D.'s license?
NPPES lists Pennsylvania license number MD449900, 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 Catherine M. O'Hara, M.D. prescribe under Medicare Part D?
In 2024, Catherine M. O'Hara, M.D. had 169 Medicare Part D claims for 76 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.