Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARY JEAN STARK PAC
NPI 1851352884
Physician Assistant in Annville, PA

Active since March 29, 2006PECOS EnrolledAccepts Medicare Assignment
9 NATHAN LN, ANNVILLE, PA 17003(717) 639-3350(717) 303-3546 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 8, 2026, Mar 6, 2025, Feb 23, 2021 (3 updates tracked since 2021).

About Mary Jean Stark Pac NPPES

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

MARY JEAN STARK PAC (NPI 1851352884) is an individual physician assistant in Annville, Pennsylvania, licensed in Pennsylvania (MA003135L) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Wellspan Good Samaritan Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1851352884
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY JEAN STARKCredential: PAC
Location Address9 NATHAN LNAnnville, PA 17003-6500
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405 · Fax (717) 851-6969
Fax(717) 303-3546
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateMarch 29, 2006
Last NPPES UpdateJuly 8, 20263 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1851352884 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 · MA003135L
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.

9 NATHAN LN, Annville, PA 17003

Secondary Practice Locations 2

Location 1101 W Airport RdLititz, PA 17543-9274 · Phone (717) 466-2445 · Fax (717) 466-2447
Location 2446 N Reading RdEphrata, PA 17522-9802 · Phone (717) 738-5275 · Fax (717) 738-5278

Other Identifiers 2

Other03246701PA · Capital Blue Cross
OtherP00791043Railroad Medicare

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

Mary Jean Stark Pac 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 ID2860436706
PECOS Enrollment IDI20050613000482
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

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

Wellspan Good Samaritan Hospital

Acute Care Hospitals · Lebanon, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390066
Location252 South 4th StreetLebanon, PA 17042 · Lebanon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17003 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 7

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

Physician Assistant
9 NATHAN LN
ANNVILLE, PA 17003
Nurse Practitioner (Family)
9 NATHAN LN
ANNVILLE, PA 17003
Physician Assistant (Medical)
9 NATHAN LN
ANNVILLE, PA 17003
Nurse Practitioner (Family)
9 NATHAN LN
ANNVILLE, PA 17003
Clinic/Center (Urgent Care)
9 NATHAN LN
ANNVILLE, PA 17003
Nurse Practitioner (Family)
9 NATHAN LN
ANNVILLE, PA 17003
Physician Assistant
9 NATHAN LN
ANNVILLE, PA 17003

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 Mary Stark's NPI number?

The NPI number for Mary Stark is 1851352884. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Mary Stark located?

Mary Stark practices at 9 Nathan Ln, Annville, PA 17003. The listed phone number is (717) 639-3350.

What is Mary Stark's specialty?

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

Is Mary Stark enrolled in Medicare?

Yes. Mary Stark 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 Mary Stark affiliated with any hospitals?

According to CMS data, Mary Stark is affiliated with Wellspan Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Mary Stark was last updated on July 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.