NPPES file of Aug 9, 2026

Alexa Maria Choy, MD

Gastroenterology Physician · New York, NY

Alexa Maria Choy, MD is a gastroenterology physician with a practice address in New York, New York, and NPI 1578025649, issued on Apr 5, 2019. Check the license (New York 317370, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1578025649
Name
Alexa Maria Choy
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
317370 NY
Self-reported in NPPES; status is on the state search
Practice location
622 W 168TH St, New York, NY 10032
Phone
(212) 305-6262
Enumerated
Apr 5, 2019
Record last updated
Jul 25, 2025
Medicare enrollment
Enrolled (PECOS I20250802000117); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2019
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 622 W 168TH St

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

  1. Marwah Abdalla, M.D.Cardiovascular Disease Physician1437201415
  2. Shauna Abdouche, MDStudent in an Organized Health Care Education/Training Program1316400484
  3. Irum AbdullahStudent in an Organized Health Care Education/Training Program1366307555
  4. Samantha Abel, PA-CPhysician Assistant1619485018
  5. Alvin AbellaAcute Care Nurse Practitioner1588068233
  6. Abenezer AberaStudent in an Organized Health Care Education/Training Program1386348340

Verify Alexa Maria Choy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 317370
    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 York 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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76% fewer Medicare Part D claims than the average gastroenterology physician in 2024

193 Medicare Part D claims for 68 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Alexa Choy193
  2. Specialty average811

Most prescribed

  1. Gavilyte-G31 claims
  2. Linzess28 claims
  3. Omeprazole26 claims
  4. Pantoprazole Sodium19 claims
  5. Entecavir12 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. Trustees OF Columbia University IN The City OF New YorkNew York, NY

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

Alexa Maria Choy among 1,797 gastroenterology physician records in New York

Alexa Maria Choy, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.

  • NPI issued2019 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2019 · median 1999 among the 1,378 with a school on file
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Julian Abrams, M.D.New York, NY 100321669494746
  2. Harold Frucht, M.D.New York, NY 100321508942368
  3. Reuben Garcia-Carrasquillo, M.D.New York, NY 100321134201742
  4. Peter Green, MDNew York, NY 100321306853205
  5. Francis Gress, M.D.New York, NY 100321851473631
  6. Alexandra Gutierrez, MDNew York, NY 100321013981737
  7. Chin Hur, MDNew York, NY 100321548278526
  8. Fay Kastrinos, MDNew York, NY 100321417928037

Common questions

What is Alexa Maria Choy, MD's NPI number?

Alexa Maria Choy, MD's National Provider Identifier (NPI) is 1578025649, issued on Apr 5, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alexa Maria Choy, MD located?

The NPPES record lists a practice address at 622 W 168TH St, New York, NY, 10032. Phone: (212) 305-6262. Providers update this record themselves, so call before visiting.

How can I verify Alexa Maria Choy, MD's license?

NPPES lists New York license number 317370, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexa Maria Choy, MD prescribe under Medicare Part D?

In 2024, Alexa Maria Choy, MD had 193 Medicare Part D claims for 68 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.