NPPES file of Aug 9, 2026

Nicolas Flannery Arredondo, M.D.

Neurological Surgery Physician · Portland, ME

Nicolas Flannery Arredondo, M.D. is a neurological surgery physician with a practice address in Portland, Maine, and NPI 1952520694, issued on Apr 24, 2007. Check the license (Maine MD21958, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952520694
Name
Nicolas Flannery Arredondo
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
MD21958 ME
Self-reported in NPPES; status is on the state search
Practice location
195 Fore River Pkwy Ste 440, Portland, ME 04102
Phone
(207) 553-6054
Enumerated
Apr 24, 2007
Record last updated
Feb 1, 2023
Fax
(207) 553-6076
Medicare enrollment
Enrolled (PECOS I20180129002321); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2002
Telehealth
Offers telehealth (CMS)
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 195 Fore River Pkwy Ste 440

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

  1. Lynn McGrath, MDNeurological Surgery Physician1598008377

Verify Nicolas Flannery Arredondo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD21958
    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
Open 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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87% fewer Medicare Part D claims than the average neurological surgery physician in 2024

22 Medicare Part D claims for 16 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.

  1. Nicolas Arredondo22
  2. Specialty average172

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.

Industry payments in 2024: $224.73

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicolas Arredondo$225
  2. Specialty average$14,926

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

  1. Mercy HospitalPortland, ME

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

Nicolas Flannery Arredondo among 32 neurological surgery physician records in Maine

Nicolas Flannery Arredondo, M.D. is one of 32 neurological surgery physician records with a practice address in Maine. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 66% of them.

  • NPI issued2007 · 66% of these records are older, 19% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2001 among the 20 with a school on file
  • Record last updated2023 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Maine

There are 32 neurological surgery physician records in Maine.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Lynn McGrath, MDPortland, ME 041021598008377
  2. John Wahlig, MDPortland, ME 041021790729051
  3. Joseph Alexander, MDScarborough, ME 040741457331035
  4. Konrad Barth, MDScarborough, ME 040741558307330
  5. John Birknes, M.D.Scarborough, ME 040741134329402
  6. William D'Angelo, MDScarborough, ME 040741174567986
  7. Rajiv Desai, MDScarborough, ME 040741881637833
  8. Robert Ecker, M.D.Scarborough, ME 040741184683708

Common questions

What is Nicolas Flannery Arredondo, M.D.'s NPI number?

Nicolas Flannery Arredondo, M.D.'s National Provider Identifier (NPI) is 1952520694, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nicolas Flannery Arredondo, M.D. located?

The NPPES record lists a practice address at 195 Fore River Pkwy Ste 440, Portland, ME, 04102. Phone: (207) 553-6054. Providers update this record themselves, so call before visiting.

How can I verify Nicolas Flannery Arredondo, M.D.'s license?

NPPES lists Maine license number MD21958, 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 Nicolas Flannery Arredondo, M.D. prescribe under Medicare Part D?

In 2024, Nicolas Flannery Arredondo, M.D. had 22 Medicare Part D claims for 16 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.