Katherine Ann Gilbert, FNP
Family Nurse Practitioner · Portland, ME
Katherine Ann Gilbert, FNP is a family nurse practitioner with a practice address in Portland, Maine, and NPI 1154390847, issued on Mar 15, 2006. Check the license (Maine CNP81224, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Ann Gilbert
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CNP81224 ME
Self-reported in NPPES; status is on the state search - Practice location
- 272 Congress St, Portland, ME 04101
- Phone
- (207) 874-2466
- Enumerated
- Mar 15, 2006
- Record last updated
- Jan 8, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (207) 874-1918
- Medicare enrollment
- Enrolled (PECOS I20041201000688); 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 272 Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francis Bellino, MDFamily Medicine Physician1073634721
- Jacquelyn Cawley, DOFamily Medicine Physician1346299146
- Lindsey Clement, NPFamily Nurse Practitioner1952754947
- Peggy Cyr, M.D.Family Medicine Physician1760584767
- Sylvia Davis, LCSWClinical Social Worker1407048770
- George Dreher, MDPsychiatry Physician1396759080
Verify Katherine Ann Gilbert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP81224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average family nurse practitioner in 2024
1,900 Medicare Part D claims for 162 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium115 claims
- Lisinopril75 claims
- Levothyroxine Sodium74 claims
- Amlodipine Besylate71 claims
- Eliquis62 claims
- Losartan Potassium56 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: $35.07
1 payment: food and beverage; the largest payer was kaleo, Inc. 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
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Ann Gilbert among 1,274 family nurse practitioner records in Maine
Katherine Ann Gilbert, FNP 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1998 · median 2018 among the 811 with a school on file
- Record last updated2013 · 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
- Kathleen Brown, ANPPortland, ME 041011114020179
- Stephanie Chin, FNP-BC, APRN-CNPPortland, ME 041011447303961
- Melanie Connors, FNPPortland, ME 041011497881833
- Kristen Ellensohn, APRN FNPPortland, ME 041011689618563
- Carol Freshley, FNPPortland, ME 041011043652779
- Dale Harrison, FNPPortland, ME 041011467574772
- Amy Hinshaw, FNPPortland, ME 041011659616159
- Lucy Mack, FNPPortland, ME 041011013955673
Common questions
What is Katherine Ann Gilbert, FNP's NPI number?
Katherine Ann Gilbert, FNP's National Provider Identifier (NPI) is 1154390847, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Ann Gilbert, FNP located?
The NPPES record lists a practice address at 272 Congress St, Portland, ME, 04101. Phone: (207) 874-2466. Providers update this record themselves, so call before visiting.
How can I verify Katherine Ann Gilbert, FNP's license?
NPPES lists Maine license number CNP81224, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Ann Gilbert, FNP prescribe under Medicare Part D?
In 2024, Katherine Ann Gilbert, FNP had 1,900 Medicare Part D claims for 162 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Katherine Ann Gilbert, FNP'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.