MARK A KEY PA
NPI 1699833145
Physician Assistant in Hershey, PA

Active since December 05, 2006PECOS EnrolledAccepts Medicare Assignment
500 UNIVERSITY DR, HERSHEY, PA 17033(800) 243-1455 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 8, 2025, May 7, 2025, Feb 18, 2025 and 5 more (8 updates tracked since 2023).

About Mark A Key Pa NPPES

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

MARK A KEY PA (NPI 1699833145) is an individual physician assistant in Hershey, Pennsylvania, licensed in Montana (143035) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Chesapeake General Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1699833145
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMARK A KEYCredential: PA
Location Address500 UNIVERSITY DRHershey, PA 17033-2360
Mailing AddressPo Box 858Hershey, PA 17033-0858 · (800) 243-1455
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateDecember 5, 2006
Last NPPES UpdateOctober 8, 20258 updates tracked since enumeration
NPPES CertifiedOctober 8, 2025
NPI 1699833145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in MT · 143035 Licensed in FL · PA9112176 Licensed in VA · 0110006202 Licensed in DE · C5-0000477
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.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License C5-0000477 (DE), MA002332L (PA)
500 UNIVERSITY DR, Hershey, PA 17033

Other Names 1

Other Name (5)Mark Alton Key

Secondary Practice Locations 5

Location 117021 US Highway 441Mount Dora, FL 32757-6734 · Phone (352) 720-7999
Location 21324 Lakeland Hills BlvdLakeland, FL 33805-4543 · Phone (863) 687-1100
Location 32006 Health Campus Dr Ste 200Rockingham, VA 22801-8679 · Phone (540) 689-5555 · Fax (757) 579-8607
Location 4600 E Dixie AveLeesburg, FL 34748-5925 · Phone (352) 323-5467
Location 52 Tampa General CirTampa, FL 33606-3571 · Phone (813) 821-8038

Other Identifiers 3

Medicaid104900800FL
OtherC5-0000477DE · Professional License
OtherMA002332LPA · Pa-c License

Accepted Insurance

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

Mark A Key Pa 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 ID2769454727
PECOS Enrollment IDI20180725001464, I20240807001155, I20250905000668, I20260107000000
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.

Hospital Affiliations CMS Care Compare 2

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

Chesapeake General Hospital

Acute Care Hospitals · Chesapeake, VA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number490120
Location736 Battlefield Blvd, NorthChesapeake, VA 23320 · Chesapeake City County
Emergency services Birthing friendly

Cheyenne Regional Medical Center

Acute Care Hospitals · Cheyenne, WY
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number530014
Location214 East 23rd StreetCheyenne, WY 82001 · Laramie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17033 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.

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.

Physician Assistant
500 UNIVERSITY DR
HERSHEY, PA 17033
Internal Medicine
500 UNIVERSITY DR, H088
HERSHEY, PA 17033
Otolaryngology
500 UNIVERSITY DR
HERSHEY, PA 17033
Surgery (Trauma Surgery)
500 UNIVERSITY DR
HERSHEY, PA 17033
Anesthesiology (Critical Care Medicine)
500 UNIVERSITY DR, BOX 3951, DAVISON BLDG, TRENT DRIVE
HERSHEY, PA 17033
Pathology (Clinical Pathology/Laboratory Medicine)
500 UNIVERSITY DR, HERSHEY MEDICAL CENTER
HERSHEY, PA 17033
Family Medicine
500 UNIVERSITY DR
HERSHEY, PA 17033
Pediatrics (Pediatric Endocrinology)
500 UNIVERSITY DR
HERSHEY, PA 17033

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 Mark Key's NPI number?

The NPI number for Mark Key is 1699833145. It was assigned to this individual provider in the NPPES registry on December 5, 2006. The provider is also known as Mark Alton Key.

Where is Mark Key located?

Mark Key practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (800) 243-1455.

What is Mark Key's specialty?

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

Is Mark Key enrolled in Medicare?

Yes. Mark Key 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.

What insurance does Mark Key accept?

Health plans from AvMed, Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of North Dakota, Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Montana and 5 other insurers list Mark Key as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Key affiliated with any hospitals?

According to CMS data, Mark Key is affiliated with Chesapeake General Hospital and Cheyenne Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Key was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.