Katherine Marie Foust, M.D.
Internal Medicine Physician · Pittsburgh, PA
Katherine Marie Foust, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1871739300, issued on Jan 6, 2009. Check the license (Pennsylvania MT187940, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Katherine Marie Foust
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT187940 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4800 Friendship Ave, Pittsburgh, PA 15224
- Phone
- (412) 578-1696
- Enumerated
- Jan 6, 2009
- Record last updated
- Jan 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090715000145); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 4800 Friendship Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Marie Foust in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT187940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
27 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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): 77.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Pittsburgh PhysiciansPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Marie Foust among 7,300 internal medicine physician records in Pennsylvania
Katherine Marie Foust, 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
- Graduated2006 · median 2008 among the 4,208 with a school on file
- Record last updated2009 · 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
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- Ravindra Godse, M.D.Pittsburgh, PA 152241508829896
- Mark Janosko, MDPittsburgh, PA 152241861493850
- Frank Kush, MDPittsburgh, PA 152241093788275
- Christine Lubimir, CRNPPittsburgh, PA 152241700850963
Common questions
What is Katherine Marie Foust, M.D.'s NPI number?
Katherine Marie Foust, M.D.'s National Provider Identifier (NPI) is 1871739300, issued on Jan 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Marie Foust, M.D. located?
The NPPES record lists a practice address at 4800 Friendship Ave, Pittsburgh, PA, 15224. Phone: (412) 578-1696. Providers update this record themselves, so call before visiting.
How can I verify Katherine Marie Foust, M.D.'s license?
NPPES lists Pennsylvania license number MT187940, 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 Katherine Marie Foust, M.D. prescribe under Medicare Part D?
In 2024, Katherine Marie Foust, M.D. had 27 Medicare Part D claims for 14 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Katherine Marie Foust, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.