MARK S SHAHIN MD
NPI 1568440451
Obstetrics & Gynecology - Gynecologic Oncology in Hershey, PA

Active since January 03, 2006PECOS EnrolledAccepts Medicare Assignment
500 UNIVERSITY DR, HERSHEY, PA 17033(717) 531-3503(717) 531-0117 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 15, 2025, Sep 26, 2018, Apr 18, 2018 (3 updates tracked since 2018).

About Mark S Shahin Md NPPES

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

MARK S SHAHIN MD (NPI 1568440451) is an individual gynecologic oncology provider in Hershey, Pennsylvania, licensed in Pennsylvania (MD073008L) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Penn State Health Holy Spirit Medical Center, and maintains a secondary practice location in Willow Grove.

NPPES Registry Identity

NPI1568440451
Entity TypeIndividualMale
Primary Taxonomy207VX0201X
Provider Legal NameMARK S SHAHINCredential: MD
Location Address500 UNIVERSITY DRHershey, PA 17033-2360
Mailing Address500 University Dr Mc Ca410Hershey, PA 17033-2360 · (717) 531-5208 · Fax (717) 531-0119
Fax(717) 531-0117
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1993
Enumeration DateJanuary 3, 2006
Last NPPES UpdateSeptember 15, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
✔ NPI 1568440451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in PA · MD073008L
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
500 UNIVERSITY DR, Hershey, PA 17033

Secondary Practice Location 1

Location 13941 Commerce AveWillow Grove, PA 19090-1104 · Phone (215) 481-4000 · Fax (215) 576-0740

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark S Shahin Md 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 ID7810908209
PECOS Enrollment IDI20060524000030
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Mark Shahin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Care Medicine
500 UNIVERSITY DR
Hershey, PA 17033
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,216 clinicians in this Medicare group
Hematology & Oncology
915 LAWN AVE STE 202
Sellersville, PA 18960
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 47 clinicians in this Medicare group
Specialist
777 FERRY RD
Doylestown, PA 18901
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 268 clinicians in this Medicare group
Psychiatry
4200 MONUMENT AVE
Philadelphia, PA 19131
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,205 clinicians in this Medicare group
Obstetrics
1200 OLD YORK RD
Abington, PA 19001
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Also billed through NPI 1316189855 (Pennsylvania)
  • 107 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
160 services112 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
95 services85 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
63 services63 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
51 services44 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
43 services38 patients
Imaging of lymph nodes during surgery 38900
Imaging of lymph nodes during surgery involves taking detailed pictures of your lymph nodes to help surgeons see and assess them in real-time. This procedure can aid in detecting disease, guiding treatment, and improving surgical precision.
20 services20 patients

Hospital Affiliations CMS Care Compare 5

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

Penn State Health Holy Spirit Medical Center

Acute Care Hospitals · Camp Hill, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390004
Location503 North 21st StreetCamp Hill, PA 17011 · Cumberland County
Emergency services

Grand View Health

Acute Care Hospitals · Sellersville, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390057
Location700 Lawn AvenueSellersville, PA 18960 · Bucks County
Emergency services

Doylestown Hospital

Acute Care Hospitals · Doylestown, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390203
Location595 West State StDoylestown, PA 18901 · Bucks County
Emergency services Birthing friendly

Milton S Hershey Medical Center

Acute Care Hospitals · Hershey, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390256
Location500 University DriveHershey, PA 17033 · Dauphin County
Emergency services Birthing friendly

Penn State Health Hampden Medical Center

Acute Care Hospitals · Enola, PA
OwnershipVoluntary non-profit - Private
CMS Certification Number390336
Location2200 Good Hope RoadEnola, PA 17025 · Cumberland County
Emergency services

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
$166.87 typical visit price
range $54.64 – $166.87
Typical copayment $41.71 (range $13.66 – $41.71)
Most-billed visit code 99205
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
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 4

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

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier30 claims876 services$10.90 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197
Other-Enteral and Parenteral · category OB005N
1 supplier31 claims204 services$280.57 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier31 claims204 services$8.03 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier31 claims204 services$25.08 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.

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 Shahin's NPI number?

The NPI number for Mark Shahin is 1568440451. It was assigned to this individual provider in the NPPES registry on January 3, 2006.

Where is Mark Shahin located?

Mark Shahin practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (717) 531-3503.

What is Mark Shahin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Mark Shahin enrolled in Medicare?

Yes. Mark Shahin 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.

Which organizations bill Medicare for Mark Shahin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Shahin reassigns Medicare benefits to 5 organizations: The Milton S Hershey Medical Center Physicians Group (Hershey, PA), Alliance Cancer Specialists, P.C. (Sellersville, PA), Via Affiliates (Doylestown, PA), Einstein Practice Plan Inc (Philadelphia, PA) and Abington Memorial Hospital (Abington, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Shahin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Shahin accept?

Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Mark Shahin 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 Shahin affiliated with any hospitals?

According to CMS data, Mark Shahin is affiliated with Penn State Health Holy Spirit Medical Center, Grand View Health, Doylestown Hospital, Milton S Hershey Medical Center and Penn State Health Hampden Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Shahin was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.