NPPES file of Aug 9, 2026

Ryan Vandermark, PA-C

Physician Assistant · Harrisburg, PA

Ryan Vandermark, PA-C is a physician assistant with a practice address in Harrisburg, Pennsylvania, and NPI 1144749631, issued on Sep 15, 2017. Check the license (Pennsylvania MA059266, as entered in NPPES) with the Pennsylvania 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
1144749631
Name
Ryan Vandermark
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
MA059266 PA
Self-reported in NPPES; status is on the state search
Practice location
4300 Londonderry RD, Harrisburg, PA 17109
Phone
(717) 988-0000
Enumerated
Sep 15, 2017
Record last updated
Jan 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(717) 782-5716
Medicaid ID
103393764 PA
Medicare enrollment
Enrolled (PECOS I20220718002315); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4300 Londonderry RD

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

  1. Danya AbedeenInternal Medicine Physician1023695939
  2. Ankush Agarwal, M.D.Hospitalist Physician1629445721
  3. Fabian Alcaraz-Angulo, MDInternal Medicine Physician1144696576
  4. Anne Valerie Allen, MDInternal Medicine Physician1558778993
  5. Eli Allen, DOFamily Medicine Physician1164083192
  6. Alia Alsaidy, DOInternal Medicine Physician1033475405

Verify Ryan Vandermark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MA059266
    Check 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
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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34% fewer Medicare Part D claims than the average physician assistant in 2024

546 Medicare Part D claims for 266 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 271 claims were for opioids.

  1. Ryan Vandermark546
  2. Specialty average830

Most prescribed

  1. Cephalexin94 claims
  2. Oxycodone Hcl82 claims
  3. Tramadol Hcl78 claims
  4. Oxycodone-Acetaminophen58 claims
  5. Ondansetron Odt57 claims
  6. Hydrocodone-Acetaminophen53 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): 85.2 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.

  1. Qualityout of 100 · 30% of the final score64.0
  2. Costout of 100 · 30%86.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Capital Region Orthopaedic Associates, PCAlbany, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ryan Vandermark among 8,020 physician assistant records in Pennsylvania

Ryan Vandermark, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 48% of them.

  • NPI issued2017 · 48% of these records are older, 47% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2017 · median 2018 among the 5,313 with a school on file
  • Record last updated2021 · 42% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

147 physician assistant records list a practice address in Harrisburg

They are 147 of the 3,963 NPPES records with a practice address in Harrisburg, and 8,020 physician assistant records in Pennsylvania.

The 8 physician assistant records with the nearest ZIP codes

  1. Lindsey Bowman, PA-CHarrisburg, PA 171091538393806
  2. Meghan Edwards, PA-CHarrisburg, PA 171091225050438
  3. Megan Hughes, PA-CHarrisburg, PA 171091124240940
  4. Erik Little, PA CHarrisburg, PA 171091558464560
  5. Molly Longacre, PA-CHarrisburg, PA 171091073735874
  6. Joseph Macut, PA-CHarrisburg, PA 171091326260159
  7. Nicole Molnar, PA-CHarrisburg, PA 171091336238013
  8. Jennifer Mroz, PA-CHarrisburg, PA 171091093937898

Common questions

What is Ryan Vandermark, PA-C's NPI number?

Ryan Vandermark, PA-C's National Provider Identifier (NPI) is 1144749631, issued on Sep 15, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Vandermark, PA-C located?

The NPPES record lists a practice address at 4300 Londonderry RD, Harrisburg, PA, 17109. Phone: (717) 988-0000. Providers update this record themselves, so call before visiting.

How can I verify Ryan Vandermark, PA-C's license?

NPPES lists Pennsylvania license number MA059266, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Ryan Vandermark, PA-C prescribe under Medicare Part D?

In 2024, Ryan Vandermark, PA-C had 546 Medicare Part D claims for 266 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Ryan Vandermark, PA-C's MIPS final score?

The 2023 MIPS final score is 85.2 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.