Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physician Assistant

Carissa L. Werkheiser, PA

Sees patients in Allentown, PA · Fogelsville, PA · Lehighton, PA · Pennsylvania

Summary

Carissa L. Werkheiser, PA is a physician assistant at 1210 S Cedar Crest Blvd, Allentown, PA 18103. Phone: (610) 402-3888. Accepts Medicare assignment. In 2024, Carissa L. Werkheiser had 146 Original Medicare patients and 152 services. NPI 1003181397. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1210 S Cedar Crest Blvd, Allentown, PA 18103 · Directions (5 more locations)
  • Phone: (610) 402‑3888
  • Medicare: Accepts Medicare assignment
  • Group practice: Lehigh Valley Physician Group
  • School: graduated 2011
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Carissa L. Werkheiser, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Carissa L. Werkheiser accept Medicare assignment?
Yes. Medicare's clinician data says Carissa L. Werkheiser accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Carissa L. Werkheiser see?
In 2024, CMS data shows 146 Original Medicare patients and 152 services for Carissa L. Werkheiser. This counts Original Medicare only and measures volume, not quality.
What is Carissa L. Werkheiser's NPI number?
1003181397. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Carissa L. Werkheiser, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients146
Services billed to Medicare152
Different services or procedures5
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)38 services
  3. Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes (99421)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol68%
  • High blood pressure67%
  • Arthritis52%
  • Anxiety40%
  • Depression26%
  • Asthma20%

Practice locations

Addresses where Carissa L. Werkheiser is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

  • 1210 S Cedar Crest BlvdAllentown, PA 18103 (610) 402‑3888
  • 1431 Nursery StFogelsville, PA 18051
  • 2100 Mack Blvd, Fl 4Allentown, PA 18103
  • 281 N 12th St, Lvpg Vascular SurgeryLehighton, PA 18235 (610) 402‑9400
  • 281 N 12th St BLehighton, PA 18235 (610) 377‑7793

Group practices

Medicare enrollment lists Carissa L. Werkheiser as a member of this group (CMS data updated October 2, 2026).

  • Lehigh Valley Physician Group2,542 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Pennsylvania →

Other physician assistants in Allentown

Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.

All physician assistants in Allentown →

Other clinicians in Lehigh Valley Physician Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1003181397
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians