Troy E. Metzger, PA-C
Medical Physician Assistant · Santa Clarita, CA
Troy E. Metzger, PA-C is a medical physician assistant with a practice address in Santa Clarita, California, and NPI 1104076660, issued on Sep 22, 2008. Check the license (California PA20505, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Troy E. Metzger
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA20505 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28382 Stansfield LN, Santa Clarita, CA 91350
- Phone
- (661) 360-8927
- Enumerated
- Sep 22, 2008
- Record last updated
- Jul 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100507000617); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Verify Troy E. Metzger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA20505Check 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
231 Medicare Part D claims for 144 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Cephalexin19 claims
- Naproxen15 claims
- Hydrocodone-Acetaminophen13 claims
- Cefdinir11 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): 94.6 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 2 group practices
- Ian Richard Cook, MD, ApmcGlendale, CA
- Scv Wound Care And HyperbaricsValencia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Troy E. Metzger among 3,376 medical physician assistant records in California
Troy E. Metzger, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 32% of them.
- NPI issued2008 · 32% of these records are older, 62% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2007 · median 2012 among the 1,347 with a school on file
- Record last updated2012 · 54% 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 California 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 California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Santa Clarita → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Michael Gales, PA-CValencia, CA 913541730327933
- Alison Brown, PA-CValencia, CA 913551255434197
- Jonathan Castro, PA-CMission Hills, CA 913451841970944
- David Gonzalez, PA-CMission Hills, CA 913451851339980
- Michell GuzmanValencia, CA 913551942616909
- Kenya Henderson, PACMission Hills, CA 913451740369867
- Niloofar Kalantari, DMSC, PA-CMission Hills, CA 913451427738962
- Beverly Lassiter-Brown, PA, MPHValencia, CA 913551962670141
Common questions
What is Troy E. Metzger, PA-C's NPI number?
Troy E. Metzger, PA-C's National Provider Identifier (NPI) is 1104076660, issued on Sep 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Troy E. Metzger, PA-C located?
The NPPES record lists a practice address at 28382 Stansfield LN, Santa Clarita, CA, 91350. Phone: (661) 360-8927. Providers update this record themselves, so call before visiting.
How can I verify Troy E. Metzger, PA-C's license?
NPPES lists California license number PA20505, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Troy E. Metzger, PA-C prescribe under Medicare Part D?
In 2024, Troy E. Metzger, PA-C had 231 Medicare Part D claims for 144 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Troy E. Metzger, PA-C's MIPS final score?
The 2023 MIPS final score is 94.6 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.