NPPES file of Aug 9, 2026

Jonathan Parker

Physician Assistant · Frederick, MD

Jonathan Parker is a physician assistant with a practice address in Frederick, Maryland, and NPI 1013406966, issued on May 7, 2018. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013406966
Name
Jonathan Parker
Primary taxonomy
Physician Assistant 363A00000X
Practice location
501 W 7TH St, Frederick, MD 21701
Phone
(301) 698-8374
Enumerated
May 7, 2018
Record last updated
May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 501 W 7TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rizwana Afzal, M.D.Diagnostic Radiology Physician1144330101
  2. Andrea Backes, PHARMDPharmacist1043701535
  3. Crissy Barry, DPP LIFESTYLE COACHHealth Educator1003572603
  4. Stacy Bartolich, CRNPFamily Nurse Practitioner1427434521
  5. Christopher Benson, APRNNurse Practitioner1124754163
  6. Keisha Bernard, FNP-CFamily Nurse Practitioner1821461849

Verify Jonathan Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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83% fewer Medicare Part D claims than the average physician assistant in 2024

144 Medicare Part D claims for 82 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Jonathan Parker144
  2. Specialty average830

Most prescribed

  1. Buspirone Hcl11 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Jonathan Parker among 3,224 physician assistant records in Maryland

Jonathan Parker 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 2018, is newer than 57% of them.

  • NPI issued2018 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2021 · 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).

106 physician assistant records list a practice address in Frederick

They are 106 of the 3,981 NPPES records with a practice address in Frederick, and 3,224 physician assistant records in Maryland.

The 8 physician assistant records with the nearest ZIP codes

  1. Maria Elena Adrianza-Tangrea, P.A. - C.Frederick, MD 217011891792081
  2. Douglas Brown, PA-CFrederick, MD 217011467638502
  3. Diamond Daniel, P.A.-CFrederick, MD 217011316324023
  4. Diane Darr, PA-CFrederick, MD 217011619174885
  5. Emmy-Lou Dickinson, P.A., MPHFrederick, MD 217011215330089
  6. Jeffrey Haines, PAFrederick, MD 217011790736908
  7. Kristen Lopez, P.A.Frederick, MD 217011144220591
  8. Daniel MannFrederick, MD 217011649216870

Common questions

What is Jonathan Parker's NPI number?

Jonathan Parker's National Provider Identifier (NPI) is 1013406966, issued on May 7, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Parker located?

The NPPES record lists a practice address at 501 W 7TH St, Frederick, MD, 21701. Phone: (301) 698-8374. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Parker's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Jonathan Parker prescribe under Medicare Part D?

In 2024, Jonathan Parker had 144 Medicare Part D claims for 82 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Jonathan Parker's MIPS final score?

The 2023 MIPS final score is 94.1 of 100. 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.