Raymond Z. Riley, PA-C
Physician Assistant · Westminster, MD
Raymond Z. Riley, PA-C is a physician assistant with a practice address in Westminster, Maryland, and NPI 1659766541, issued on Mar 30, 2015. Check the license (Maryland C05750, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Raymond Z. Riley
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- C05750 MD
0010-05662 NC
Self-reported in NPPES; status is on the state search - Practice location
- 295 Stoner Ave Ste 102, Westminster, MD 21157
- Phone
- (410) 848-1818
- Enumerated
- Mar 30, 2015
- Record last updated
- Oct 7, 2024
- Fax
- (410) 871-7964
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 295 Stoner Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Raymond Z. Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C05750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average physician assistant in 2024
132 Medicare Part D claims for 105 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 88 claims were for opioids.
Most prescribed
- Tramadol Hcl67 claims
- Oxycodone Hcl13 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): 76.3 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: $169.47
3 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, 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.
Raymond Z. Riley among 3,224 physician assistant records in Maryland
Raymond Z. Riley, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 46% of them.
- NPI issued2015 · 46% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2024 · 46% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 physician assistant records list a practice address in Westminster
They are 45 of the 1,327 NPPES records with a practice address in Westminster, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Westminster → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Angela Bryant, PA-CWestminster, MD 211571295840544
- Joseph Caudill, PA-CWestminster, MD 211571215905997
- Carol Cordrey, PAWestminster, MD 211571851350607
- Mary Davin, PAWestminster, MD 211571346223146
- Casey Davis, PA-CWestminster, MD 211571942233846
- Robert Giangrandi, PAWestminster, MD 211571821079823
- Charles Kluge, PAWestminster, MD 211571992786990
- Lisa Knisley, PAWestminster, MD 211571285615500
Common questions
What is Raymond Z. Riley, PA-C's NPI number?
Raymond Z. Riley, PA-C's National Provider Identifier (NPI) is 1659766541, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Raymond Z. Riley, PA-C located?
The NPPES record lists a practice address at 295 Stoner Ave Ste 102, Westminster, MD, 21157. Phone: (410) 848-1818. Providers update this record themselves, so call before visiting.
How can I verify Raymond Z. Riley, PA-C's license?
NPPES lists Maryland license number C05750, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Raymond Z. Riley, PA-C prescribe under Medicare Part D?
In 2024, Raymond Z. Riley, PA-C had 132 Medicare Part D claims for 105 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Raymond Z. Riley, PA-C's MIPS final score?
The 2023 MIPS final score is 76.3 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.