NPPES file of Aug 9, 2026

Clarissa Michalak, ACNP-AG

Acute Care Nurse Practitioner · Biddeford, ME

Clarissa Michalak, ACNP-AG is an acute care nurse practitioner with a practice address in Biddeford, Maine, and NPI 1346618394, issued on Sep 8, 2015. Check the license (Maine CNP201245, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346618394
Name
Clarissa Michalak
Credential
ACNP-AG
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
CNP201245 ME
430958 NY
Self-reported in NPPES; status is on the state search
Practice location
1 Medical Center Dr, Biddeford, ME 04005
Phone
(207) 283-7000
Enumerated
Sep 8, 2015
Record last updated
Mar 29, 2024
Medicare enrollment
Enrolled (PECOS I20201117002180); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1 Medical Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adedeji Ademiluyi, MDHospitalist Physician1467013268
  2. Brendan Allison, DOHospitalist Physician1679034136
  3. Kate Anderson, PT, DPTGeriatric Physical Therapist1205495330
  4. Fernanda Asel, PA-CPhysician Assistant1235080987
  5. Ryan Babinsky, CRNACertified Registered Nurse Anesthetist1578055687
  6. Anthony Bambara, M.D.Hospitalist Physician1104205293

Verify Clarissa Michalak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP201245
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

2 hospitals and group practices

  1. York HospitalYork, ME · Acute Care Hospitals4 of 5 stars
  2. MainehealthBiddeford, 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.

Clarissa Michalak among 167 acute care nurse practitioner records in Maine

Clarissa Michalak, ACNP-AG 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 2015, is newer than 19% of them.

  • NPI issued2015 · 19% of these records are older, 77% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2012 · median 2021 among the 118 with a school on file
  • Record last updated2024 · 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).

16 acute care nurse practitioner records list a practice address in Biddeford

They are 16 of the 905 NPPES records with a practice address in Biddeford, and 167 acute care nurse practitioner records in Maine.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Hannah BambrickBiddeford, ME 040051760237937
  2. Mackenzie Barth, AGACNPBiddeford, ME 040051912613613
  3. Caroline Beaule, APRN-AGACNPBiddeford, ME 040051467973693
  4. Kristina Donnellan, AGACNPBiddeford, ME 040051285361105
  5. Melissa Dorchester, N.P.Biddeford, ME 040051427472430
  6. Lenka Edwards, AGACNPBiddeford, ME 040051245531466
  7. Paul Gomez, AGACNPBiddeford, ME 040051255082335
  8. Andrea Hafner-Mishkin, ACNPBiddeford, ME 040051306130653

Common questions

What is Clarissa Michalak, ACNP-AG's NPI number?

Clarissa Michalak, ACNP-AG's National Provider Identifier (NPI) is 1346618394, issued on Sep 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Clarissa Michalak, ACNP-AG located?

The NPPES record lists a practice address at 1 Medical Center Dr, Biddeford, ME, 04005. Phone: (207) 283-7000. Providers update this record themselves, so call before visiting.

How can I verify Clarissa Michalak, ACNP-AG's license?

NPPES lists Maine license number CNP201245, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

What is Clarissa Michalak, ACNP-AG'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.