NPPES file of Aug 9, 2026

Andres Aguilera-Fish, MD

Family Medicine Physician · Littleton, NH

Andres Aguilera-Fish, MD is a family medicine physician with a practice address in Littleton, New Hampshire, and NPI 1578183992, issued on Apr 27, 2020. Check the license (New Hampshire 24250, as entered in NPPES) on the New Hampshire Board of 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
1578183992
Name
Andres Aguilera-Fish
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
24250 NH
Self-reported in NPPES; status is on the state search
Practice location
25 Mount Eustis RD, Littleton, NH 03561
Phone
(603) 444-2464
Enumerated
Apr 27, 2020
Record last updated
Jul 18, 2023
Medicare enrollment
Enrolled (PECOS I20230922001586); 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 25 Mount Eustis RD

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

  1. Keith Batchelder, DMDGeneral Practice Dentistry1376951285
  2. Nicole BrantMental Health Counselor1982039913
  3. Pamela Comeau, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1487126181
  4. Samantha Cyrs, APRNFamily Health Clinical Nurse Specialist1538754775
  5. Julie Ferland, APRNFamily Nurse Practitioner1720605645
  6. David Ferris, DOFamily Medicine Physician1053389817

Verify Andres Aguilera-Fish in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 24250
    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 New Hampshire 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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25% fewer Medicare Part D claims than the average family medicine physician in 2024

2,674 Medicare Part D claims for 331 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 169 claims were for opioids.

  1. Andres Aguilera-Fish2,674
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium136 claims
  2. Lisinopril125 claims
  3. Levothyroxine Sodium105 claims
  4. Losartan Potassium93 claims
  5. Gabapentin92 claims
  6. Metoprolol Succinate71 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

  1. Ammonoosuc Community Health Services, Inc.Littleton, NH

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

Andres Aguilera-Fish among 816 family medicine physician records in New Hampshire

Andres Aguilera-Fish, MD is one of 816 family medicine physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.

  • NPI issued2020 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2018 · median 2003 among the 498 with a school on file
  • Record last updated2023 · 62% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Littleton

They are 10 of the 304 NPPES records with a practice address in Littleton, and 816 family medicine physician records in New Hampshire.

The 8 family medicine physician records with the nearest ZIP codes

  1. David Ferris, DOLittleton, NH 035611053389817
  2. Genevieve Kelley, MDLittleton, NH 035611588017446
  3. Philip Lawson, MDLittleton, NH 035611548235401
  4. Richard McKenzie, DOLittleton, NH 035611487776449
  5. David Nelson, D.O.Littleton, NH 035611457320178
  6. Ian Parker, D.O.Littleton, NH 035611124387139
  7. Kathleen Pearson, D.O.Littleton, NH 035611629159108
  8. Kathleen Smith, M.D.Littleton, NH 035611982688123

Common questions

What is Andres Aguilera-Fish, MD's NPI number?

Andres Aguilera-Fish, MD's National Provider Identifier (NPI) is 1578183992, issued on Apr 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Andres Aguilera-Fish, MD located?

The NPPES record lists a practice address at 25 Mount Eustis RD, Littleton, NH, 03561. Phone: (603) 444-2464. Providers update this record themselves, so call before visiting.

How can I verify Andres Aguilera-Fish, MD's license?

NPPES lists New Hampshire license number 24250, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andres Aguilera-Fish, MD prescribe under Medicare Part D?

In 2024, Andres Aguilera-Fish, MD had 2,674 Medicare Part D claims for 331 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.