Kristin M. Mathieson, F.N.P.
Family Nurse Practitioner · Portland, ME
Kristin M. Mathieson, F.N.P. is a family nurse practitioner with a practice address in Portland, Maine, and NPI 1760680755, issued on Jul 11, 2007. Check the license (Maine R045725, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristin M. Mathieson
- Credential
- F.N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R045725 ME
Self-reported in NPPES; status is on the state search - Practice location
- 50 Sewall St, Portland, ME 04102
- Phone
- (207) 775-3526
- Enumerated
- Jul 11, 2007
- Record last updated
- Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (207) 775-5658
- Medicare enrollment
- Enrolled (PECOS I20070831000226); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,274 in Maine → Look up another NPI →
Also registered at 50 Sewall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Baginski, M.D.Dermatology Physician1619915451
- David Baird, M.D.Dermatology Physician1700170149
- Allen Bruce, MD PHDDermatology Physician1427175934
- Chelsea Dugan, FNPFamily Nurse Practitioner1215976931
- Rachel Gormley, MDDermatopathology Physician1316267990
- Timothy Griffin, PTOrthopedic Physical Therapist1477738391
Verify Kristin M. Mathieson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license R045725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family nurse practitioner in 2024
343 Medicare Part D claims for 184 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Fluorouracil61 claims
- Triamcinolone Acetonide47 claims
- Clobetasol Propionate29 claims
- Hydrocortisone26 claims
- Metronidazole23 claims
- Valacyclovir17 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).
Industry payments in 2024: $25.12
1 payment: food and beverage; the largest payer was Incyte Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Dermatology Associates, LLCPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristin M. Mathieson among 1,274 family nurse practitioner records in Maine
Kristin M. Mathieson, F.N.P. is one of 1,274 family nurse practitioner records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 76% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2007 · median 2018 among the 811 with a school on file
- Record last updated2007 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 family nurse practitioner records list a practice address in Portland
They are 135 of the 6,022 NPPES records with a practice address in Portland, and 1,274 family nurse practitioner records in Maine.
All 1,274 in Maine → Every provider in Portland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Deirdre Bennett, NP, CNMPortland, ME 041021952318339
- Kelly Daly, APRN, FNP-CPortland, ME 041021013019348
- Chelsea Dugan, FNPPortland, ME 041021215976931
- Philip Gage, NPPortland, ME 041021861585036
- Michelle Guinta, MSN FNP-CPortland, ME 041021962473215
- Leslie Henry, FNPPortland, ME 041021518998707
- Stacey Kelley, FNP-CPortland, ME 041021033188263
- Dawne Miller, FNP-CPortland, ME 041021447239025
Common questions
What is Kristin M. Mathieson, F.N.P.'s NPI number?
Kristin M. Mathieson, F.N.P.'s National Provider Identifier (NPI) is 1760680755, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kristin M. Mathieson, F.N.P. located?
The NPPES record lists a practice address at 50 Sewall St, Portland, ME, 04102. Phone: (207) 775-3526. Providers update this record themselves, so call before visiting.
How can I verify Kristin M. Mathieson, F.N.P.'s license?
NPPES lists Maine license number R045725, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Kristin M. Mathieson, F.N.P. prescribe under Medicare Part D?
In 2024, Kristin M. Mathieson, F.N.P. had 343 Medicare Part D claims for 184 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Kristin M. Mathieson, F.N.P.'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.