Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joseph Nathaniel Ruhala, DO

Individual provider Surgical Critical Care Physician · NPI 1922415421

Dr. Joseph Nathaniel Ruhala, DO is a General Surgery in Frederick, Maryland. Graduated from West Virginia School of Osteopathic Medicine in 2014, 12 years ago. Practices with Amber Hill Physical Therapy Inc, a 333-clinician group, works from 14 locations and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.

Years since qualifying
12
Trained at
West Virginia School of Osteopathic Medicine
Licensed in
MD, PA
In the registry since
2014
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

194 Thomas Johnson Dr
Frederick, MD 21702-4679
Phone: (240) 215-6310
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (13)

  • 16403 Old Emmitsburg Rd, Emmitsburg, MD 21727-8929 — (240) 215-6310
  • 230 W Patrick St, Frederick, MD 21701-6945 — (240) 215-6310
  • 400 W 7th St, Frederick, MD 21701-4506 — (240) 215-6310
  • 501 W 7th St, Frederick, MD 21701-4586 — (240) 215-6310
  • 1562 Opossumtown Pike, Frederick, MD 21702-4920 — (240) 215-6310
  • 75 Thomas Johnson Dr, Frederick, MD 21702-4895 — (240) 215-6310
  • 141 Thomas Johnson Dr, Frederick, MD 21702-4502 — (301) 846-0100
  • 7211 Bank Ct, Frederick, MD 21703-8483 — (240) 215-6310
  • 3430 Worthington Blvd, Frederick, MD 21704-7017 — (240) 215-6310
  • 504 E Ridgeville Blvd, Mount Airy, MD 21771-5942 — (240) 215-6310
  • 3000d Ventrie Ct, Myersville, MD 21773-7817 — (240) 215-6310
  • 15 E Frederick St, Walkersville, MD 21793-8234 — (240) 215-6310
  • 500 University Dr, Hershey, PA 17033-2360 — (717) 531-8887

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence H95555 (MD)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence OS018024 (PA)
Trauma Surgery Physician Taxonomy 2086S0127X · Licence OS018024 (PA)

Record details

NPI number1922415421
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 16, 2014
Last updated in NPPESOctober 25, 2022
Certification dateOctober 25, 2022
Mailing address400 W 7th St, Frederick, MD 21701-4506

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolWEST VIRGINIA SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2014 (12 years in practice)
Group practice Amber Hill Physical Therapy Inc — 333 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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