Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Ryan Christopher Jackson, MD

Individual provider Emergency Medicine Physician · NPI 1184060188

Ryan Christopher Jackson, MD practises Emergency Medicine in Portland, Maine. Graduated from Geisel School of Medicine at Dartmouth in 2013, 13 years ago. Practices with York Hospital, a 206-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
13
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
ME
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

335 Brighton Ave
Portland, ME 04102-2363
Phone: (207) 662-0111
Fax: (207) 662-8133
Show map & directions

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

Additional practice locations (1)

  • 22 Bramhall St, Portland, ME 04102-3134 — (207) 662-2381

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD20548 (ME)

Record details

NPI number1184060188
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2013
Last updated in NPPESMarch 13, 2025
Certification dateMarch 13, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 2013 (13 years in practice)
Group practice York Hospital — 206 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients489
Services billed 559 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at York Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 206 clinicians in the practice; 12 are shown here.

Other providers in Portland