NPPES file of Aug 9, 2026

Chelsea Cool McMaster, PA-C

Medical Physician Assistant · Aspers, PA

Chelsea Cool McMaster, PA-C is a medical physician assistant with a practice address in Aspers, Pennsylvania, and NPI 1497104426, issued on Jun 9, 2016. Check the license (Pennsylvania MA058305, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497104426
Name
Chelsea Cool McMaster
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
MA058305 PA
OA004212 PA
C0007190 MD
Self-reported in NPPES; status is on the state search
Practice location
2060 Carlisle RD, Aspers, PA 17304
Phone
(717) 339-2585
Enumerated
Jun 9, 2016
Record last updated
Apr 15, 2026
Medicare enrollment
Enrolled (PECOS I20160823001460); accepts Medicare assignment
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 2060 Carlisle RD

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

  1. Kendall Grace BarrickFamily Medicine Physician1881522373
  2. Christina Doll, M.D.Family Medicine Physician1467863605
  3. Kristin Hancock, CRNPAdult Health Nurse Practitioner1174120570
  4. Tyler Irvin, LAT, ATCAthletic Trainer1114379575
  5. Rachel WallaceFamily Nurse Practitioner1912556309
  6. Shane Yarrington, DOHospitalist Physician1740710078

Verify Chelsea Cool McMaster 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 MA058305
    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

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98% fewer Medicare Part D claims than the average medical physician assistant in 2024

28 Medicare Part D claims for 15 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Chelsea McMaster28
  2. Specialty average1,148

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.

Bills Medicare through one group practice

  1. Wellspan Medical GroupAspers, PA

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

Chelsea Cool McMaster among 3,897 medical physician assistant records in Pennsylvania

Chelsea Cool McMaster, PA-C is one of 3,897 medical 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 2016, is newer than 59% of them.

  • NPI issued2016 · 59% of these records are older, 36% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2016 · median 2015 among the 2,467 with a school on file
  • Record last updated2026 · 53% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 medical physician assistant record lists a practice address in Aspers

They are 1 of the 11 NPPES records with a practice address in Aspers, and 3,897 medical physician assistant records in Pennsylvania.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Barbara Kruth, P.A.-CDallastown, PA 173131144775917
  2. William Lamison, PA-CDallastown, PA 173131265461149
  3. Rebecca Myers, PA-CDallastown, PA 173131881843316
  4. Paul Ciechoski, PA-CDover, PA 173151275507915
  5. Melissa Gammie, PA-CEast Berlin, PA 173161851329163
  6. Shannon Kuhn, PA-CEast Berlin, PA 173161932935848
  7. Ashlee Metzger, PACEast Berlin, PA 173161447815626
  8. Tara Assi, PA-CGettysburg, PA 173251700998051

Common questions

What is Chelsea Cool McMaster, PA-C's NPI number?

Chelsea Cool McMaster, PA-C's National Provider Identifier (NPI) is 1497104426, issued on Jun 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Cool McMaster, PA-C located?

The NPPES record lists a practice address at 2060 Carlisle RD, Aspers, PA, 17304. Phone: (717) 339-2585. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Cool McMaster, PA-C's license?

NPPES lists Pennsylvania license number MA058305, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Chelsea Cool McMaster, PA-C prescribe under Medicare Part D?

In 2024, Chelsea Cool McMaster, PA-C had 28 Medicare Part D claims for 15 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

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.