Summary

Dr. Mark Diehl treats hand pain, joint stiffness, and rheumatoid arthritis, and performs physical therapy, strength training, and occupational therapy. He practices rheumatology and is affiliated with Wellspan York Hospital, with 28 years of experience.

He completed two residencies at UPMC Pinnacle Community Osteopathic Hospital and a fellowship at Geisinger Medical Center in 2008, and sees patients in Gettysburg and Shippensburg, Pennsylvania. Dr. Diehl speaks English and German. Patients on Vitals rate Dr. Diehl 3.61 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.6
  • 28 years of experience
  • 28 insurance plans accepted
  • speaks English, German
  • Geisinger Medical Center
  • 14 written reviews
  • 1 specialty
  • 9 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Spent time with me
  • Flexible scheduling

Office Locations

Mark P Diehl has 2 locations

WellSpan Rheumatology - Gettysburg

40 V Twin DrGettysburg, PA 17325
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

WellSpan Rheumatology - Shippensburg

97 Progress BlvdShippensburg, PA 17257
MonClosed
Tue8:00 am - 5:00 pm
WedClosed
Thu8:00 am - 5:00 pm
FriClosed
SatClosed
SunClosed

Compare with Similar Doctors

Mark P Diehl, DO
Dr. Alan David Roumm, MD
Dr. Larissa Viktorovna Sachs, MD
Dr. Robert George Sanford, MD
Mark P Diehl, DODr. Alan David Roumm, MDDr. Larissa Viktorovna Sachs, MDDr. Robert George Sanford, MD
RheumatologyRheumatologyRheumatologyRheumatology
Accepts New Patients Accepts New Patients
3.6 
4.1 
4 
3.6 
28 Years of Experience 49 Years of Experience 27 Years of Experience 56 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, German Speaks English Speaks English Speaks English
Gettysburg , PAHarrisburg , PALemoyne , PACamp Hill , PA
Med School: Philadelphia College of Osteopathic Medicine Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Razumovskys Saratov State Medical University Med School: Hahnemann University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Mark P Diehl

  • Aetna
  • AmeriHealth
  • AmeriHealth - Medicaid (Managed)
  • AmeriHealth - Medicare (Advantage HMO)
  • AmeriHealth Caritas
  • AmeriHealth Caritas - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Federal Employees Program
  • Blue Cross Blue Shield - PPO
  • Capital Blue Cross
  • CareFirst BlueCross BlueShield
  • Cigna
  • Gateway Health
  • Gateway Health - Medicare
  • GEHA
  • HealthPartners
  • HealthPartners - Medicaid (Managed)
  • Humana
  • Johns Hopkins Employer Health Programs - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UPMC Health Plan

Medical Specialties

Mark P Diehl has the following specialty

Specialty Expertise

Mark P Diehl has the following 9 areas of expertise

  • Gout
  • Hip Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Osteoporosis
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Tendinitis

Certifications, License, & Education

28 Years Experience

Mark P Diehl holds an active medical license in the state of Pennsylvania.

Medical License

Doctor Of Osteopathy with an active medical license in the state of Pennsylvania that expires in 2026.

Education & Training

Fellowship

Completed their fellowship at Geisinger Medical Center in 2008.

Residency

Completed their residency at UPMC Pinnacle Community Osteopathic Hospital in 2005 and UPMC Pinnacle Community Osteopathic Hospital in 2003.

Medical School

Graduated from Philadelphia College of Osteopathic Medicine in 2002 and Westminster College in 1998.

NPI Number

Mark P Diehl's NPI number is 1982667754.

Similar doctors

Frequently Asked Questions

Is Mark Diehl accepting new patients?
Mark Diehl is accepting new patients on Vitals. View Mark Diehl's profile on Vitals to make an appointment.
Does Mark Diehl accept my insurance?
You can see the insurance plans that Mark Diehl accepts on their Vitals profile.
What languages does Mark Diehl speak?
Mark Diehl speaks English and German.
How can I make an appointment with Mark Diehl?
You can find contact information for Mark Diehl here on Vitals.
Where is Mark Diehl's office located?
Mark Diehl's office is located at 40 V Twin Dr, Gettysburg, PA, 17325.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.