NPPES file of Aug 9, 2026

David Michael Grimaldi, M.D.

Student in an Organized Health Care Education/Training Program · Portland, ME

David Michael Grimaldi, M.D. is a student in an organized health care education/training program with a practice address in Portland, Maine, and NPI 1295267391, issued on Mar 29, 2017. Check the license 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295267391
Name
David Michael Grimaldi
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-0111
Enumerated
Mar 29, 2017
Record last updated
Mar 29, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200831000464); 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.
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Also registered at 22 Bramhall St

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

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify David Michael Grimaldi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck 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.

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2% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

181 Medicare Part D claims for 99 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 14 claims were for opioids.

  1. David Grimaldi181
  2. Specialty average185

Most prescribed

  1. Amoxicillin-Clavulanate Potass15 claims
  2. Furosemide11 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score74.1
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Physicians OF Cape Cod HospitalHyannis, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Michael Grimaldi among 857 student in an organized health care education/training program records in Maine

David Michael Grimaldi, M.D. is one of 857 student in an organized health care education/training program records with a practice address in Maine. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 5% of them.

  • NPI issued2017 · 5% of these records are older, 92% newer
  • In a Medicare fileYes · 27% of these records are
  • In the CMS Doctors and Clinicians fileYes · 3% of these records are
  • Graduated2017 · median 2020 among the 28 with a school on file
  • Record last updated2017 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

606 student in an organized health care education/training program records list a practice address in Portland

They are 606 of the 6,022 NPPES records with a practice address in Portland, and 857 student in an organized health care education/training program records in Maine.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Nikolas Collins, MDPortland, ME 041021164782868
  2. Lauren Daniels, DOPortland, ME 041021194011627
  3. Gregory Dudzik, M.D.Portland, ME 041021588058978
  4. Kiirsten Finn, DMDPortland, ME 041021043624943
  5. Katherine Garlo, MDPortland, ME 041021447511878
  6. Mazen Hamoudi, MBCHBPortland, ME 041021265728661
  7. Sarah Marie Harnois, MDPortland, ME 041021811429632
  8. Jennie Hersey, D.C.Portland, ME 041021992933196

Common questions

What is David Michael Grimaldi, M.D.'s NPI number?

David Michael Grimaldi, M.D.'s National Provider Identifier (NPI) is 1295267391, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is David Michael Grimaldi, M.D. located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.

How can I verify David Michael Grimaldi, M.D.'s license?

Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does David Michael Grimaldi, M.D. prescribe under Medicare Part D?

In 2024, David Michael Grimaldi, M.D. had 181 Medicare Part D claims for 99 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.

What is David Michael Grimaldi, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. 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.