William Robert Eschrich, PAC
Medical Physician Assistant · York, PA
William Robert Eschrich, PAC is a medical physician assistant with a practice address in York, Pennsylvania, and NPI 1922036888, issued on Jun 29, 2006. Check the license (Pennsylvania MA001427L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Robert Eschrich
- Credential
- PAC
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- MA001427L PA
Self-reported in NPPES; status is on the state search - Practice location
- 228 Saint Charles Way Ste 300, York, PA 17402
- Phone
- (717) 812-5400
- Enumerated
- Jun 29, 2006
- Record last updated
- Apr 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (717) 741-3598
- Medicare enrollment
- Enrolled (PECOS I20060823000055); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,897 in Pennsylvania → Look up another NPI →
Also registered at 228 Saint Charles Way Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Robert Eschrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA001427LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average medical physician assistant in 2024
111 Medicare Part D claims for 69 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Oxycodone Hcl43 claims
- Cyclobenzaprine Hcl14 claims
- Diazepam13 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.
Bills Medicare through one group practice
- Wellspan Medical GroupYork, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Robert Eschrich among 3,897 medical physician assistant records in Pennsylvania
William Robert Eschrich, PAC 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 81% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1990 · median 2015 among the 2,467 with a school on file
- Record last updated2019 · 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).
83 medical physician assistant records list a practice address in York
They are 83 of the 4,575 NPPES records with a practice address in York, and 3,897 medical physician assistant records in Pennsylvania.
All 3,897 in Pennsylvania → Every provider in York → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Harry Ballantyne, PACYork, PA 174021831211937
- Andrea Difiore, PA-CYork, PA 174021649507260
- Rebecca Farquhar, PA-CYork, PA 174021093989832
- Michael Felcone, PAYork, PA 174021750355806
- Troy Hamilton, PA-CYork, PA 174021962559344
- Anessa Inman, PA-CYork, PA 174021346471414
- Kelly McNulty, PAYork, PA 174021518116359
- Judith Mueller, PACYork, PA 174021871555763
Common questions
What is William Robert Eschrich, PAC's NPI number?
William Robert Eschrich, PAC's National Provider Identifier (NPI) is 1922036888, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Robert Eschrich, PAC located?
The NPPES record lists a practice address at 228 Saint Charles Way Ste 300, York, PA, 17402. Phone: (717) 812-5400. Providers update this record themselves, so call before visiting.
How can I verify William Robert Eschrich, PAC's license?
NPPES lists Pennsylvania license number MA001427L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does William Robert Eschrich, PAC prescribe under Medicare Part D?
In 2024, William Robert Eschrich, PAC had 111 Medicare Part D claims for 69 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.