Philip N. Zaharas, PA
Physician Assistant · Casper, WY
Philip N. Zaharas, PA is a physician assistant with a practice address in Casper, Wyoming, and NPI 1396094108, issued on Sep 7, 2012. Check the license (Wyoming 554, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Philip N. Zaharas
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 554 WY
Self-reported in NPPES; status is on the state search - Practice location
- 4140 Centennial Hills Blvd Ste A, Casper, WY 82609
- Phone
- (307) 265-7205
- Enumerated
- Sep 7, 2012
- Record last updated
- Jan 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (307) 235-6262
- Medicare enrollment
- Enrolled (PECOS I20121005000158); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 260 in Wyoming → Look up another NPI →
Also registered at 4140 Centennial Hills Blvd Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Philip N. Zaharas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average physician assistant in 2024
290 Medicare Part D claims for 205 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 234 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen138 claims
- Tramadol Hcl60 claims
- Oxycodone Hcl20 claims
- Oxycodone-Acetaminophen16 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): 27 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
- Casper Orthopaedic Associates PCCasper, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip N. Zaharas among 260 physician assistant records in Wyoming
Philip N. Zaharas, PA is one of 260 physician assistant records with a practice address in Wyoming. 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 2012, is newer than 44% of them.
- NPI issued2012 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2012 · median 2015 among the 176 with a school on file
- Record last updated2017 · 48% 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 Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 physician assistant records list a practice address in Casper
They are 59 of the 1,924 NPPES records with a practice address in Casper, and 260 physician assistant records in Wyoming.
All 260 in Wyoming → Every provider in Casper → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Starrla Bartlett-Rone, PACasper, WY 826091053400747
- Gordon Erickson, PACasper, WY 826091194033530
- Daniel Fedore, PACasper, WY 826091902899230
- Jennifer Frary, PA-CCasper, WY 826091609862580
- Timothy Glennon, PACasper, WY 826091447286943
- Ann Haack, PACasper, WY 826091629037130
- Laurie Johnson, PACCasper, WY 826091316954688
- Stephanie Keeney, PHYSICIAN ASSISTANTCasper, WY 826091184802951
Common questions
What is Philip N. Zaharas, PA's NPI number?
Philip N. Zaharas, PA's National Provider Identifier (NPI) is 1396094108, issued on Sep 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Philip N. Zaharas, PA located?
The NPPES record lists a practice address at 4140 Centennial Hills Blvd Ste A, Casper, WY, 82609. Phone: (307) 265-7205. Providers update this record themselves, so call before visiting.
How can I verify Philip N. Zaharas, PA's license?
NPPES lists Wyoming license number 554, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.
How much does Philip N. Zaharas, PA prescribe under Medicare Part D?
In 2024, Philip N. Zaharas, PA had 290 Medicare Part D claims for 205 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Philip N. Zaharas, PA's MIPS final score?
The 2023 MIPS final score is 27 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.