Kristina M. Keiran, AGACNP
Acute Care Nurse Practitioner · Portland, ME
Kristina M. Keiran, AGACNP is an acute care nurse practitioner with a practice address in Portland, Maine, and NPI 1730873332, issued on Jun 6, 2023. Check the license (Maine CNP231143, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristina M. Keiran
- Credential
- AGACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- CNP231143 ME
101.0134942 VT
Self-reported in NPPES; status is on the state search - Practice location
- 818 Congress St, Portland, ME 04102
- Phone
- (207) 773-8161
- Enumerated
- Jun 6, 2023
- Record last updated
- Apr 1, 2025
- Fax
- (207) 773-1489
- Medicare enrollment
- Enrolled (PECOS I20231012000125); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 167 in Maine → Look up another NPI →
Also registered at 818 Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lindsey Chorney, AGACNPAcute Care Nurse Practitioner1386077873
- Justin Claire, PA-CSurgical Physician Assistant1043746944
Verify Kristina M. Keiran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP231143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
20 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
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 one group practice
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristina M. Keiran among 167 acute care nurse practitioner records in Maine
Kristina M. Keiran, AGACNP is one of 167 acute care nurse practitioner records with a practice address in Maine. 81% 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 55% of them.
- NPI issued2023 · 55% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2022 · median 2021 among the 118 with a school on file
- Record last updated2025 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Maine
There are 167 acute care nurse practitioner records in Maine.
All 167 in Maine → Every provider in Portland → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Angela Amano, NPPortland, ME 041021720313232
- Erin Bacon, AGACNPPortland, ME 041021760729057
- Kristen Bell, NPPortland, ME 041021265786511
- Meghan Botler, ACNPPortland, ME 041021922375864
- Mary Brennan, APRN-BCPortland, ME 041021699782623
- Courtney Chartrand, NPPortland, ME 041021821391947
- Ashley Geller, NPPortland, ME 041021588928212
- Catherine Grams, NPPortland, ME 041021356658462
Common questions
What is Kristina M. Keiran, AGACNP's NPI number?
Kristina M. Keiran, AGACNP's National Provider Identifier (NPI) is 1730873332, issued on Jun 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Kristina M. Keiran, AGACNP located?
The NPPES record lists a practice address at 818 Congress St, Portland, ME, 04102. Phone: (207) 773-8161. Providers update this record themselves, so call before visiting.
How can I verify Kristina M. Keiran, AGACNP's license?
NPPES lists Maine license number CNP231143, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Kristina M. Keiran, AGACNP prescribe under Medicare Part D?
In 2024, Kristina M. Keiran, AGACNP had 20 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. 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.