Theresa Ann Shafer, PA-C
Physician Assistant · Exton, PA
Theresa Ann Shafer, PA-C is a physician assistant with a practice address in Exton, Pennsylvania, and NPI 1356777353, issued on Sep 23, 2013. Check the license (Pennsylvania MA056359, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Ann Shafer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- MA056359 PA
25MP00347500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 479 Thomas Jones Way, Exton, PA 19341
- Phone
- (267) 582-6467
- Enumerated
- Sep 23, 2013
- Record last updated
- Sep 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 615-1294
- Medicare enrollment
- Enrolled (PECOS I20140108001835); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 479 Thomas Jones Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Archambo, MACounselor1366632481
- Diana Atwater, MSS, MLSPSocial Worker1659538064
- Willaim Broomall, MASTERS DEGREECounselor1609214741
- Gregory Clark, LPC CAC MHSAddiction (Substance Use Disorder) Counselor1649358623
- Lauren Emery, LPCProfessional Counselor1336540137
- Elena Gregorio, L.S.W.Social Worker1699037986
Verify Theresa Ann Shafer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA056359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
122 Medicare Part D claims for 53 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Methylprednisolone36 claims
- Oxycodone Hcl27 claims
- Tizanidine Hcl17 claims
- Tramadol 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.
Bills Medicare through 2 group practices
- Main Line HealthcareExton, PA
- Phoenix Rehabilitation And Health Services IncCranberry Township, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa Ann Shafer among 8,020 physician assistant records in Pennsylvania
Theresa Ann Shafer, 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 2013, is newer than 34% of them.
- NPI issued2013 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2018 among the 5,313 with a school on file
- Record last updated2019 · 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).
38 physician assistant records list a practice address in Exton
They are 38 of the 1,089 NPPES records with a practice address in Exton, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Exton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Edward Blanchard, PA-CExton, PA 193411275687923
- Andrea Bolesta, PA-CExton, PA 193411467733816
- Jeanette Buczacki, PA-CExton, PA 193411871841569
- Felice Burstein, PA-CExton, PA 193411316168818
- Kristen Eppolite, PA-CExton, PA 193411265685473
- Lyndsay Fay, PA-CExton, PA 193411972910149
- Tracy Friedman, P.A.Exton, PA 193411235253006
- Chantelle Gastinger, PA-CExton, PA 193411619925708
Common questions
What is Theresa Ann Shafer, PA-C's NPI number?
Theresa Ann Shafer, PA-C's National Provider Identifier (NPI) is 1356777353, issued on Sep 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Ann Shafer, PA-C located?
The NPPES record lists a practice address at 479 Thomas Jones Way, Exton, PA, 19341. Phone: (267) 582-6467. Providers update this record themselves, so call before visiting.
How can I verify Theresa Ann Shafer, PA-C's license?
NPPES lists Pennsylvania license number MA056359, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Ann Shafer, PA-C prescribe under Medicare Part D?
In 2024, Theresa Ann Shafer, PA-C had 122 Medicare Part D claims for 53 beneficiaries; the average among physician assistant prescribers was 830. 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.