Carrie Margaret Johnson, MD, PHD
Emergency Medicine Physician · Augusta, ME
Carrie Margaret Johnson, MD, PHD is an emergency medicine physician with a practice address in Augusta, Maine, and NPI 1770288474, issued on Apr 3, 2023. Check the license (Maine MD30620, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Carrie Margaret Johnson
- Credential
- MD, PHD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD30620 ME
33504 MN
77564 MN
86755-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 35 Medical Center Pkwy, Augusta, ME 04330
- Phone
- (207) 248-5000
- Enumerated
- Apr 3, 2023
- Record last updated
- Jul 29, 2026
- Fax
- (207) 626-1648
- Medicare enrollment
- Enrolled (PECOS I20240823001534); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →
Also registered at 35 Medical Center Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carrie Margaret Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD30620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average emergency medicine physician in 2024
25 Medicare Part D claims for 21 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through 3 group practices
- Mayo Clinic Health System-Southeast Minnesota RegionRed Wing, MN
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carrie Margaret Johnson among 466 emergency medicine physician records in Maine
Carrie Margaret Johnson, MD, PHD 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 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, under 1% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2023 · median 2011 among the 293 with a school on file
- Record last updated2026 · 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).
22 emergency medicine physician records list a practice address in Augusta
They are 22 of the 1,740 NPPES records with a practice address in Augusta, and 466 emergency medicine physician records in Maine.
All 466 in Maine → Every provider in Augusta → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Peter Elvin, PA-CAugusta, ME 043301952457046
- Terrence Flanagan, MDAugusta, ME 043301508884974
- Harry Grimmnitz, MDAugusta, ME 043301841259801
- Michelle Hicks, D.O.Augusta, ME 043301689813628
- John Joseph, MDAugusta, ME 043301205895281
- Scott Kemmerer, MDAugusta, ME 043301902875198
- Michael Klein, MDAugusta, ME 043301831158823
- Mary Ledoux, MDAugusta, ME 043301669901252
Common questions
What is Carrie Margaret Johnson, MD, PHD's NPI number?
Carrie Margaret Johnson, MD, PHD's National Provider Identifier (NPI) is 1770288474, issued on Apr 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Carrie Margaret Johnson, MD, PHD located?
The NPPES record lists a practice address at 35 Medical Center Pkwy, Augusta, ME, 04330. Phone: (207) 248-5000. Providers update this record themselves, so call before visiting.
How can I verify Carrie Margaret Johnson, MD, PHD's license?
NPPES lists Maine license number MD30620, 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 Carrie Margaret Johnson, MD, PHD prescribe under Medicare Part D?
In 2024, Carrie Margaret Johnson, MD, PHD had 25 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.