Skip to content

Tammy J. Zemke, PA

NPI 1720338379ActiveIndividual· Physician Assistant· Prince Frederick, MD

Physician Assistant (PA) with Advanced Orthopaedic Specialists PC, practicing in Prince Frederick, Maryland. 31 Medicare patients in 2024, $3,162 paid; nearly all of their 181 Part D prescriptions were generic (98%).

Overview

NPI1720338379
StatusActive
Entity typeIndividual
CredentialPA
Sole proprietorNo
NPI issuedSep 11, 2012
Last updated in NPPESJan 20, 2020
Certified by providerJan 20, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000XC0004808MD

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physician Assistant (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients31
Services billed40 across 5 procedure codes
Paid by Medicare$3,162

Part D prescriptions in 2024

Prescriptions (claims)181 · 225 30-day fills
Patients78
Total drug cost$3,019
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Graduation year2012
Medicare specialtyPhysician Assistant

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other physician assistants in Prince Frederick

All 21 physician assistants in Prince Frederick · All physician assistants in Maryland