Barbara Frances Westerhaus, MD
Internal Medicine Physician · Philadelphia, PA
Barbara Frances Westerhaus, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1679868376, issued on Jun 10, 2011. Check the license (Pennsylvania MD449889, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Barbara Frances Westerhaus
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD449889 PA
MT200367 PA
Self-reported in NPPES; status is on the state search - Practice location
- 833 Chestnut Street, Philadelphia, PA 19107
- Phone
- (215) 955-6180
- Enumerated
- Jun 10, 2011
- Record last updated
- Jul 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (215) 955-6410
- Medicare enrollment
- Enrolled (PECOS I20141009001159); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 833 Chestnut Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janis Bonat, CRNPFamily Nurse Practitioner1154434702
- Yasmin Brahmbhatt, MDNephrology Physician1891967006
Verify Barbara Frances Westerhaus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD449889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,188 Medicare Part D claims for 208 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium127 claims
- Amlodipine Besylate77 claims
- Lisinopril50 claims
- Omeprazole44 claims
- Hydrochlorothiazide37 claims
- Metformin Hcl36 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 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
- Trustees OF The University OF PennsylvaniaPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara Frances Westerhaus among 7,300 internal medicine physician records in Pennsylvania
Barbara Frances Westerhaus, MD 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 2011, is newer than 52% of them.
- NPI issued2011 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2011 · median 2008 among the 4,208 with a school on file
- Record last updated2014 · 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).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
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- Richard Feldman, MDPhiladelphia, PA 191071417958661
- Jane Fitzpatrick, MDPhiladelphia, PA 191071003880675
- Zuleika Font, M.D.Philadelphia, PA 191071760483945
Common questions
What is Barbara Frances Westerhaus, MD's NPI number?
Barbara Frances Westerhaus, MD's National Provider Identifier (NPI) is 1679868376, issued on Jun 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Frances Westerhaus, MD located?
The NPPES record lists a practice address at 833 Chestnut Street, Philadelphia, PA, 19107. Phone: (215) 955-6180. Providers update this record themselves, so call before visiting.
How can I verify Barbara Frances Westerhaus, MD's license?
NPPES lists Pennsylvania license number MD449889, 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 Barbara Frances Westerhaus, MD prescribe under Medicare Part D?
In 2024, Barbara Frances Westerhaus, MD had 1,188 Medicare Part D claims for 208 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Barbara Frances Westerhaus, MD's MIPS final score?
The 2023 MIPS final score is 85.5 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.