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ADRIENNE LAUREN CARNAHAN PA-C
NPI 1003045139
Physician Assistant in Lancaster, PA

Active since July 10, 2009PECOS EnrolledAccepts Medicare Assignment
231 GRANITE RUN DR, LANCASTER, PA 17601(717) 560-4200(717) 560-4159 Get Directions Write a Review

NPPES record last updated: January 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Adrienne Lauren Carnahan Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADRIENNE LAUREN CARNAHAN PA-C (NPI 1003045139) is an individual physician assistant in Lancaster, Pennsylvania, licensed in Pennsylvania (MA055499) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Upmc Lititz, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1003045139
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameADRIENNE LAUREN CARNAHANCredential: PA-C
Location Address231 GRANITE RUN DRLancaster, PA 17601-6823
Mailing Address231 Granite Run DrLancaster, PA 17601-6823 · (717) 560-4200 · Fax (717) 560-4159
Phone(717) 560-4200
Fax(717) 560-4159
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 10, 2009
Last NPPES UpdateJanuary 30, 2025
NPPES CertifiedJanuary 30, 2025
✔ NPI 1003045139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in PA · MA055499
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
231 GRANITE RUN DR, Lancaster, PA 17601
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Other Names 1

Former Name (1)Adrienne Lauren Riotte

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adrienne Lauren Carnahan Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082750237
PECOS Enrollment IDI20120823000433
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
73 services71 patients
Replacement of thigh bone and hip joint with prosthesis 27130
This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.
42 services42 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
13 services13 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
12 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upmc Lititz

Acute Care Hospitals · Lititz, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390068
Location1500 Highlands DriveLititz, PA 17543 · Lancaster County
Emergency services Birthing friendly

Penn State Health St. Joseph

Acute Care Hospitals · Reading, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390096
Location2500 Bernville RoadReading, PA 19605 · Berks County
Emergency services Birthing friendly

Lancaster General Hospital

Acute Care Hospitals · Lancaster, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390100
Location555 North Duke StreetLancaster, PA 17602 · Lancaster County
Emergency services Birthing friendly

Wellspan Ephrata Community Hospital

Acute Care Hospitals · Ephrata, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390225
Location169 Martin AvenueEphrata, PA 17522 · Lancaster County
Emergency services Birthing friendly

Penn State Health Lancaster Medical Center

Acute Care Hospitals · Lancaster, PA
OwnershipVoluntary non-profit - Private
CMS Certification Number390339
Location2160 State RoadLancaster, PA 17601 · Lancaster County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Addition to lower extremity, varus/valgus correction, plastic modification, padded/lined L2275
DME-Orthotic Devices · category DF000N
2 suppliers12 claims12 services$93.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. COREY RICHARD TROXELL D.O.
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200
JULIE E. ADAMS PA-C
Physician Assistant
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200
DR. YOUNG MIN JEE M.D.
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200
DR. MICHAEL PAUL ST. ONGE D.O.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200
DEREK C LONGENECKER DPT
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200
MRS. MELISSA ANN MOORE P.T.
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200
MRS. ANNA O'CONNOR P.T.
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 735-3600
MS. MARGARET ELIZABETH SHOLL PT
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Lancaster County (717) 560-4200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adrienne Carnahan's NPI number?

The NPI number for Adrienne Carnahan is 1003045139. It was assigned to this individual provider in the NPPES registry on July 10, 2009. The provider is also known as Adrienne Lauren Riotte.

Where is Adrienne Carnahan located?

Adrienne Carnahan practices at 231 Granite Run Dr, Lancaster, PA 17601. The listed phone number is (717) 560-4200.

What is Adrienne Carnahan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Adrienne Carnahan enrolled in Medicare?

Yes. Adrienne Carnahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Adrienne Carnahan affiliated with any hospitals?

According to CMS data, Adrienne Carnahan is affiliated with Upmc Lititz, Penn State Health St. Joseph, Lancaster General Hospital, Wellspan Ephrata Community Hospital and Penn State Health Lancaster Medical Center.

When was this NPI record last updated?

The NPPES record for Adrienne Carnahan was last updated on January 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.