William Moyer Brennan, P.A.-C
Medical Physician Assistant · Tucson, AZ
William Moyer Brennan, P.A.-C is a medical physician assistant with a practice address in Tucson, Arizona, and NPI 1336231869, issued on Sep 29, 2006. Check the license (Arizona 1474, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Moyer Brennan
- Credential
- P.A.-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 1474 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2732 N Alvernon Way, Tucson, AZ 85712
- Phone
- (520) 382-3330
- Enumerated
- Sep 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (520) 382-3340
- Medicare enrollment
- Enrolled (PECOS I20040629000343); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 996 in Arizona → Look up another NPI →
Also registered at 2732 N Alvernon Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Anderson, FNP-CNurse Practitioner1508434002
- Taylor DunaganNurse Practitioner1184343261
- Xiangping FangFamily Nurse Practitioner1649670399
- Jessica GarnierFamily Nurse Practitioner1760959118
- Cynthia Hill, FNP-CDermatology Physician1760094502
- Weimin Hu, MDDermatology Physician1174595920
Verify William Moyer Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 1474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average medical physician assistant in 2024
232 Medicare Part D claims for 143 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Triamcinolone Acetonide45 claims
- Clobetasol Propionate38 claims
- Metronidazole29 claims
- Otezla13 claims
- Betamethasone Dipropionate11 claims
- Mupirocin11 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): 94.1 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: $173.68
8 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Bills Medicare through one group practice
- Ironwood Dermatology, PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Moyer Brennan among 996 medical physician assistant records in Arizona
William Moyer Brennan, P.A.-C is one of 996 medical physician assistant records with a practice address in Arizona. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 72% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1984 · median 2012 among the 541 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Arizona
There are 996 medical physician assistant records in Arizona.
All 996 in Arizona → Every provider in Tucson → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Michelle Bertolino-Thomas, PA - CTucson, AZ 857121841285699
- Liza Byrne, PA-CTucson, AZ 857121255592507
- Deva Chan, PA-CTucson, AZ 857121871735035
- Anita Chapman, PA-CTucson, AZ 857121346225737
- Stephen Cox, PACTucson, AZ 857121295915353
- Karen Damgaard, PA-CTucson, AZ 857121376600171
- Robyn De Stefano, R.P.A.-C.Tucson, AZ 857121073613261
- Daniel King, PACTucson, AZ 857121720075211
Common questions
What is William Moyer Brennan, P.A.-C's NPI number?
William Moyer Brennan, P.A.-C's National Provider Identifier (NPI) is 1336231869, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Moyer Brennan, P.A.-C located?
The NPPES record lists a practice address at 2732 N Alvernon Way, Tucson, AZ, 85712. Phone: (520) 382-3330. Providers update this record themselves, so call before visiting.
How can I verify William Moyer Brennan, P.A.-C's license?
NPPES lists Arizona license number 1474, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does William Moyer Brennan, P.A.-C prescribe under Medicare Part D?
In 2024, William Moyer Brennan, P.A.-C had 232 Medicare Part D claims for 143 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is William Moyer Brennan, P.A.-C's MIPS final score?
The 2023 MIPS final score is 94.1 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.