Joan Marie Westbrook, PA-C
Physician Assistant · Ann Arbor, MI
Joan Marie Westbrook, PA-C is a physician assistant with a practice address in Ann Arbor, Michigan, and NPI 1689732984, issued on Dec 5, 2006. Check the license (Michigan 5601002914, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joan Marie Westbrook
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601002914 MI
Self-reported in NPPES; status is on the state search - Practice location
- 710 Avis Dr Ste 200, Ann Arbor, MI 48108
- Phone
- (734) 373-7246
- Enumerated
- Dec 5, 2006
- Record last updated
- Apr 15, 2024
- Fax
- (734) 375-6585
- Medicare enrollment
- Enrolled (PECOS I20260320003066); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 710 Avis Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joan Marie Westbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601002914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average physician assistant in 2024
2,729 Medicare Part D claims for 496 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 1,453 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen487 claims
- Gabapentin368 claims
- Oxycodone-Acetaminophen234 claims
- Oxycodone Hcl194 claims
- Pregabalin158 claims
- Tramadol Hcl149 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): 84.1 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).
Industry payments in 2024: $547.83
20 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Lakewood Health SystemStaples, MN · Critical Access Hospitals
- Michigan Pain Specialists, PLLCAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Joan Marie Westbrook among 6,989 physician assistant records in Michigan
Joan Marie Westbrook, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1998 · median 2017 among the 4,739 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
610 physician assistant records list a practice address in Ann Arbor
They are 610 of the 15,616 NPPES records with a practice address in Ann Arbor, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Ann Arbor → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ashley Aldridge, PA-CAnn Arbor, MI 481081154630762
- Chelsea Burton, PA-CAnn Arbor, MI 481081700140324
- Silvana Davis, PA-CAnn Arbor, MI 481081366495665
- Nicole Davison, PAAnn Arbor, MI 481081194068650
- Susan Doyle, PA-CAnn Arbor, MI 481081114004355
- Leigh Hubbard, PA-CAnn Arbor, MI 481081316108111
- Donna Huelke, PA-CAnn Arbor, MI 481081033195516
- Sarah Laponsa, PA-CAnn Arbor, MI 481081073916391
Common questions
What is Joan Marie Westbrook, PA-C's NPI number?
Joan Marie Westbrook, PA-C's National Provider Identifier (NPI) is 1689732984, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan Marie Westbrook, PA-C located?
The NPPES record lists a practice address at 710 Avis Dr Ste 200, Ann Arbor, MI, 48108. Phone: (734) 373-7246. Providers update this record themselves, so call before visiting.
How can I verify Joan Marie Westbrook, PA-C's license?
NPPES lists Michigan license number 5601002914, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Joan Marie Westbrook, PA-C prescribe under Medicare Part D?
In 2024, Joan Marie Westbrook, PA-C had 2,729 Medicare Part D claims for 496 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Joan Marie Westbrook, PA-C's MIPS final score?
The 2023 MIPS final score is 84.1 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.