Amy Grzysiewicz, D.O.
Family Medicine Physician · Portland, ME
Amy Grzysiewicz, D.O. is a family medicine physician with a practice address in Portland, Maine, and NPI 1558521807, issued on Jun 11, 2008. Check the license (Maine 2232, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Amy Grzysiewicz
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2232 ME
Self-reported in NPPES; status is on the state search - Practice location
- 331 Veranda St, Portland, ME 04103
- Phone
- (072) 828-2402
- Enumerated
- Jun 11, 2008
- Record last updated
- Mar 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20110928000524); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2008
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Also registered at 331 Veranda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Benson, M.D.Family Medicine Physician1992827851
- Beth Brausch, OTOccupational Therapist1356528301
- Steven Brewster, MDFamily Medicine Physician1497851307
- Cathra Chappelle, MDFamily Medicine Physician1912957069
- Patrick Connolly, MDFamily Medicine Physician1982655098
- Douglas Couper, MDInternal Medicine Physician1154371243
Verify Amy Grzysiewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 2232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average family medicine physician in 2024
3,251 Medicare Part D claims for 432 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 180 claims were for opioids.
Most prescribed
- Atorvastatin Calcium169 claims
- Lisinopril137 claims
- Levothyroxine Sodium114 claims
- Amlodipine Besylate102 claims
- Omeprazole100 claims
- Losartan Potassium83 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 one group practice
- Martin's Point Health Care, Inc.Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Grzysiewicz among 1,172 family medicine physician records in Maine
Amy Grzysiewicz, D.O. is one of 1,172 family medicine physician records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2008 among the 668 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 family medicine physician records list a practice address in Portland
They are 89 of the 6,022 NPPES records with a practice address in Portland, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christopher Bartlett, M.D.Portland, ME 041031083656961
- Steven Brewster, MDPortland, ME 041031497851307
- Cathra Chappelle, MDPortland, ME 041031912957069
- Patrick Connolly, MDPortland, ME 041031982655098
- Richard Entel, MDPortland, ME 041031760418990
- James Harper, MDPortland, ME 041031245286129
- Lewis Holmes, MDPortland, ME 041031649269184
- David Howes, MDPortland, ME 041031407802382
Common questions
What is Amy Grzysiewicz, D.O.'s NPI number?
Amy Grzysiewicz, D.O.'s National Provider Identifier (NPI) is 1558521807, issued on Jun 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Amy Grzysiewicz, D.O. located?
The NPPES record lists a practice address at 331 Veranda St, Portland, ME, 04103. Phone: (072) 828-2402. Providers update this record themselves, so call before visiting.
How can I verify Amy Grzysiewicz, D.O.'s license?
NPPES lists Maine license number 2232, 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 Amy Grzysiewicz, D.O. prescribe under Medicare Part D?
In 2024, Amy Grzysiewicz, D.O. had 3,251 Medicare Part D claims for 432 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.