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MARK SEELEY MD
NPI 1891922894
Orthopaedic Surgery in Hershey, PA

Active since June 17, 2009PECOS EnrolledAccepts Medicare Assignment
500 UNIVERSITY DR, HERSHEY, PA 17033(717) 531-5638(717) 531-0983 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 30, 2024, Aug 27, 2020, Feb 22, 2018 and 1 more (4 updates tracked since 2017).

About Mark Seeley Md NPPES

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

MARK SEELEY MD (NPI 1891922894) is an individual orthopaedic surgery provider in Hershey, Pennsylvania, licensed in Pennsylvania (MD452143) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Geisinger Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891922894
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameMARK SEELEYCredential: MD
Location Address500 UNIVERSITY DRHershey, PA 17033-2360
Mailing Address500 University Dr Mc Ca410Hershey, PA 17033-2360 · (717) 531-5208 · Fax (717) 531-0119
Phone(717) 531-5638
Fax(717) 531-0983
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJune 17, 2009
Last NPPES UpdateJune 9, 20264 updates tracked since enumeration
NPPES CertifiedJune 9, 2026
✔ NPI 1891922894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in PA · MD452143✔ Licensed in MI · 4301094371✔ Licensed in LA · 343500
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
500 UNIVERSITY DR, Hershey, PA 17033
Open in Google Maps ↗

Secondary Practice Locations 2

Location 18200 Constantin Blvd Fl 1Baton Rouge, LA 70809-3481 · Phone (225) 765-5500 · Fax (225) 374-1670
Location 216 Woodbine LaneDanville, PA 17822-8029 · Phone (570) 271-6700 · Fax (570) 214-6700

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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 Seeley 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 ID9234446089
PECOS Enrollment IDI20150911000607, I20240904002290
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.

Geisinger Medical Center

Acute Care Hospitals · Danville, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390006
Location100 North Academy AvenueDanville, PA 17822 · Montour 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.

MR. DANIEL MICHAEL WEISS I PA-C
Physician Assistant
500 UNIVERSITY DR
HERSHEY, PA 17033
Dauphin County (717) 531-7299
NICOLE SWALLOW M.D.
Internal Medicine
500 UNIVERSITY DR, H088
HERSHEY, PA 17033
Dauphin County (717) 531-1692
NEERAV GOYAL M.D.
Otolaryngology
500 UNIVERSITY DR
HERSHEY, PA 17033
Dauphin County (717) 531-8521
KARIMA C FITZGERALD M.D.
Surgery (Trauma Surgery)
500 UNIVERSITY DR
HERSHEY, PA 17033
Dauphin County (717) 531-8887
DR. ANTHONY SIMON BONAVIA M.D.
Anesthesiology (Critical Care Medicine)
500 UNIVERSITY DR, BOX 3951, DAVISON BLDG, TRENT DRIVE
HERSHEY, PA 17033
Dauphin County (717) 531-8521
DR. HIROKO SHIKE MD
Pathology (Clinical Pathology/Laboratory Medicine)
500 UNIVERSITY DR, HERSHEY MEDICAL CENTER
HERSHEY, PA 17033
Dauphin County (717) 531-8615
MARIUM TARIQ M.D.
Family Medicine
500 UNIVERSITY DR
HERSHEY, PA 17033
Dauphin County (717) 531-8521
KANTHI BANGALORE KRISHNA MBBS
Pediatrics (Pediatric Endocrinology)
500 UNIVERSITY DR
HERSHEY, PA 17033
Dauphin County (800) 243-1455

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 Seeley's NPI number?

The NPI number for Mark Seeley is 1891922894. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Where is Mark Seeley located?

Mark Seeley practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (717) 531-5638.

What is Mark Seeley's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Mark Seeley enrolled in Medicare?

Yes. Mark Seeley 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 Seeley accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, AmeriHealth Caritas Next and Blue Cross and Blue Shield of Louisiana and 2 other insurers list Mark Seeley 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 Seeley affiliated with any hospitals?

According to CMS data, Mark Seeley is affiliated with Geisinger Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Seeley was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.