Ryan Christopher Jackson, MD
Emergency Medicine Physician · Portland, ME
Ryan Christopher Jackson, MD is an emergency medicine physician with a practice address in Portland, Maine, and NPI 1184060188, issued on May 16, 2013. Check the license (Maine MD20548, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ryan Christopher Jackson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD20548 ME
Self-reported in NPPES; status is on the state search - Practice location
- 335 Brighton Ave, Portland, ME 04102
- Phone
- (207) 662-0111
- Enumerated
- May 16, 2013
- Record last updated
- Mar 13, 2025
- Fax
- (207) 662-8133
- Medicare enrollment
- Enrolled (PECOS I20151216002546); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →
Also registered at 335 Brighton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victoria Ashton, M.D.Internal Medicine Physician1467533117
- Meredith Bennet, MDEmergency Medicine Physician1598865404
- Gregory Blaisdell, MDOrthopaedic Surgery Physician1689864233
- Jennifer Croteau, PA-CMedical Physician Assistant1952886830
- Wendy Dibrigida, OTROccupational Therapist1871796094
- Katherine Diconzo, APRN-CNPFamily Nurse Practitioner1700380466
Verify Ryan Christopher Jackson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD20548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average emergency medicine physician in 2024
278 Medicare Part D claims for 179 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.
Most prescribed
- Prednisone45 claims
- Doxycycline Monohydrate28 claims
- Cephalexin26 claims
- Amoxicillin-Clavulanate Potass17 claims
- Ondansetron Odt14 claims
- Azithromycin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- York HospitalYork, ME · Acute Care Hospitals4 of 5 stars
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ryan Christopher Jackson among 466 emergency medicine physician records in Maine
Ryan Christopher Jackson, MD is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2011 among the 293 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
105 emergency medicine physician records list a practice address in Portland
They are 105 of the 6,022 NPPES records with a practice address in Portland, and 466 emergency medicine physician records in Maine.
All 466 in Maine → Every provider in Portland → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Baumann, MDPortland, ME 041021205936010
- Meredith Bennet, MDPortland, ME 041021598865404
- Mark Earnshaw, MDPortland, ME 041021720181431
- Megan Fix, MDPortland, ME 041021578554457
- Mark Fourre, MDPortland, ME 041021588653018
- Samir Haydar, DOPortland, ME 041021598782153
- Christine Hein, MDPortland, ME 041021407940901
- Jonathan Karol, DOPortland, ME 041021528165420
Common questions
What is Ryan Christopher Jackson, MD's NPI number?
Ryan Christopher Jackson, MD's National Provider Identifier (NPI) is 1184060188, issued on May 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Christopher Jackson, MD located?
The NPPES record lists a practice address at 335 Brighton Ave, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.
How can I verify Ryan Christopher Jackson, MD's license?
NPPES lists Maine license number MD20548, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Christopher Jackson, MD prescribe under Medicare Part D?
In 2024, Ryan Christopher Jackson, MD had 278 Medicare Part D claims for 179 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ryan Christopher Jackson, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.