John J. Shaff, PA-C
Physician Assistant · Phoenix, AZ
John J. Shaff, PA-C is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1114084316, issued on Jan 3, 2007. Check the license (Arizona 3149, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John J. Shaff
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3149 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 16611 S. 40TH St, Phoenix, AZ 85048
- Phone
- (480) 610-6366
- Enumerated
- Jan 3, 2007
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (480) 833-1653
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Verify John J. Shaff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 3149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average physician assistant in 2024
457 Medicare Part D claims for 207 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Triamcinolone Acetonide71 claims
- Ketoconazole55 claims
- Clobetasol Propionate49 claims
- Ciclopirox41 claims
- Mupirocin36 claims
- Doxycycline Monohydrate32 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.
Industry payments in 2024: $1,601.74
86 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
John J. Shaff among 3,666 physician assistant records in Arizona
John J. Shaff, PA-C is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 79% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2020 · 35% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
923 physician assistant records list a practice address in Phoenix
They are 923 of the 31,399 NPPES records with a practice address in Phoenix, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Phoenix → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tara Becher, PA-CPhoenix, AZ 850481033532692
- Natalie Brown, PA-CPhoenix, AZ 850481609315324
- Hilary Burt, PA-CPhoenix, AZ 850481508940669
- Sidney Covarrubias, PA-CPhoenix, AZ 850481245964402
- Kelley Hartman, PA-CPhoenix, AZ 850481497537377
- Mischelle Johnson, PACPhoenix, AZ 850481801975982
- Jeraldine McGee, P.A.-CPhoenix, AZ 850481447335484
- Ian McLeod, PA-C, ATC, NCTMBPhoenix, AZ 850481487626958
Common questions
What is John J. Shaff, PA-C's NPI number?
John J. Shaff, PA-C's National Provider Identifier (NPI) is 1114084316, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John J. Shaff, PA-C located?
The NPPES record lists a practice address at 16611 S. 40TH St, Phoenix, AZ, 85048. Phone: (480) 610-6366. Providers update this record themselves, so call before visiting.
How can I verify John J. Shaff, PA-C's license?
NPPES lists Arizona license number 3149, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does John J. Shaff, PA-C prescribe under Medicare Part D?
In 2024, John J. Shaff, PA-C had 457 Medicare Part D claims for 207 beneficiaries; the average among physician assistant prescribers was 830. 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.