Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1891922894 Individual Practitioner Male Practitioner

Dr. Mark Seeley , MD

Orthopaedic Surgery • Hershey, PA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Seeley, MD is a certified Orthopaedic Surgery practicing in Hershey, PA. With approximately 17 years of clinical experience since completing medical education in 2009, Dr. Seeley delivers high-quality medical care to the local community at 500 UNIVERSITY DR.

Dr. Seeley maintains professional affiliations with Geisinger Clinic, Tidalhealth Physician Network, Inc. and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

500 University Dr

Hershey, PA 170332360

Telephone 7175315638
Fax 7175310983
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Hershey, PA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
17 Yrs -1.4 yrs vs City Avg
City Avg: 18.4 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
29 Specialists

Practicing in Hershey, PA (1345 Statewide)

Telehealth Adoption Rate
10.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Seeley (17 Years) 17 Yrs
Hershey Specialty Average (18.4 Years) 18.4 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-06-09
Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License PA MD452143

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.

Orthopaedic Surgery

NUCC Taxonomy Code: 207X00000X

State License MI 4301094371

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.

Orthopaedic Surgery

NUCC Taxonomy Code: 207X00000X

State License LA 343500

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.

Hospital & Practice Group Affiliations

Geisinger Clinic

100 N Academy Ave, Danville, PA 178229800

Phone: 5702716211

Tidalhealth Physician Network, Inc.

None, Seaford, DE 19973

Phone: 30262966118802

Secondary Practice Locations

8200 Constantin Blvd Fl 1

Baton Rouge, LA 708093481

Phone: 2257655500

16 Woodbine Lane

Danville, PA 178228029

Phone: 5702716700

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. David Barton , MD

Orthopaedic Surgery - Orthopaedic Trauma

NPI 1013478403

Doctor of Medicine (M.D.)

Bethany Han , CRNP

Nurse Practitioner

NPI 1033845508

Certified Registered Nurse Practitioner

Tammy Miller , PA-C

Physician Assistant

NPI 1053304691

Physician Assistant (Certified)

Lauren Briner , CRNP

Orthopaedic Surgery - Foot and Ankle Surgery

NPI 1063066959

Certified Registered Nurse Practitioner

Dr. John Reid , MD

Surgery - Trauma Surgery

NPI 1063476349

Doctor of Medicine (M.D.)

Emily Garcia

Physician Assistant

NPI 1073895140

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

23 Historical Events
📍
Updated Practice Location June 09, 2026

Registered at 500 UNIVERSITY DR, HERSHEY, PA 170332360 (Tel: 7175315638)

📍
Updated Business Mailing Address June 09, 2026

Registered at 500 UNIVERSITY DR MC CA410, HERSHEY, PA 170332360 (Tel: 7175315208)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2026

Orthopaedic Surgery (License #MD452143 in PA)

📍
Updated Business Mailing Address February 12, 2026

Registered at 500 UNIVERSITY DR, HERSHEY, PA 170332360 (Tel: 7175315638)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 30, 2024

Orthopaedic Surgery (License #4301094371 in MI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 27, 2024

Orthopaedic Surgery (License #MD452143 in PA)

📍
Updated Business Mailing Address June 27, 2023

Registered at 500 UNIVERSITY DRIVE MC CA 410, HERSHEY, PA 170332360 (Tel: 7175315638)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2023

Orthopaedic Surgery (License #4301094371 in MI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 27, 2020

Orthopaedic Surgery (License #MD452143 in PA)

📍
Updated Practice Location February 22, 2018

Registered at 16 WOODBINE LANE, DANVILLE, PA 178228029 (Tel: 5702716700)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2018

Orthopaedic Surgery (License #MT205542 in PA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2018

Orthopaedic Surgery (License #4301094371 in MI)

NPI Profile Active July 24, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location July 24, 2017

Registered at 115 WOODBINE LN, DANVILLE, PA 178219118 (Tel: 5702716700)

📍
Updated Business Mailing Address July 24, 2017

Registered at 100 N ACADEMY AVE, DANVILLE, PA 178224903 (Tel: (570) 271-6144)

👤
Provider Name / Credentials Updated July 24, 2017

Recorded as MARK SEELEY, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 24, 2017

Orthopaedic Surgery (License #MD452143 in PA)

NPI Profile Active June 18, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location June 18, 2014

Registered at 3401 CIVIC CENTER BLVD, PEDIATRIC ORTHOPAEDIC SURGERY, PHILADELPHIA, PA 19104 (Tel: 2155901535)

📍
Updated Business Mailing Address June 18, 2014

Registered at 3401 CIVIC CENTER BLVD, PEDIATRIC ORTHOPAEDIC SURGERY, PHILADELPHIA, PA 19104

👤
Provider Name / Credentials Updated June 18, 2014

Recorded as MARK SEELEY, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2014

Orthopaedic Surgery (License #4301094371 in MI)

🟢
Initial NPI Registration & Enumeration June 17, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1891922894
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 17, 2009
Last Update: June 09, 2026
Sole Proprietor: No

Mailing Address

500 University Dr Mc Ca410

Hershey, PA 170332360

Phone: 7175315208

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.