NPPES file of Aug 9, 2026

Elana Anne Maser, M.D.

Gastroenterology Physician · New York, NY

Elana Anne Maser, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1538354857, issued on Sep 10, 2007. Check the license (New York 245783-1, 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
1538354857
Name
Elana Anne Maser
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
245783-1 NY
Self-reported in NPPES; status is on the state search
Practice location
17 E 102ND St, New York, NY 10029
Phone
(212) 241-8100
Enumerated
Sep 10, 2007
Record last updated
Feb 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20071102000476); accepts Medicare assignment
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 17 E 102ND St

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

  1. Judith Aberg, M.D.Infectious Disease Physician1902969645
  2. Helen Adams, PA-CMedical Physician Assistant1588844815
  3. Ritu Agarwal, M.D.Hepatology Physician1942448345
  4. Maddalena Allegretta, MDRheumatology Physician1902337710
  5. Katherine AllynInternal Medicine Physician1902435654
  6. Aviv Alter, MDCardiovascular Disease Physician1548886039

Verify Elana Anne Maser 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 245783-1
    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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58% fewer Medicare Part D claims than the average gastroenterology physician in 2024

344 Medicare Part D claims for 98 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Elana Maser344
  2. Specialty average811

Most prescribed

  1. Linzess96 claims
  2. Famotidine29 claims
  3. Omeprazole27 claims
  4. Stelara25 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf18 claims
  6. Sucralfate14 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.

Industry payments in 2024: $237.75

10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elana Maser$237.75
  2. Specialty average$5,015.95

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. Icahn School OF Medicine AT Mount SinaiNew York, NY

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

Elana Anne Maser among 1,797 gastroenterology physician records in New York

Elana Anne Maser, M.D. 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 2007, is newer than 56% of them.

  • NPI issued2007 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2001 · median 1999 among the 1,378 with a school on file
  • Record last updated2019 · 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. Efsevia Albanis, MDNew York, NY 100291346268174
  2. Charissa Chang, MDNew York, NY 100291649299686
  3. Lawrence Cohen, M.D.New York, NY 100291023010956
  4. Scott Friedman, MDNew York, NY 100291184656209
  5. Steven Itzkowitz, MDNew York, NY 100291568499036
  6. Michelle Kim, MDNew York, NY 100291851319651
  7. Eric Lemmer, MDNew York, NY 100291760412274
  8. Patricia Lopez, MDNew York, NY 100291275551004

Common questions

What is Elana Anne Maser, M.D.'s NPI number?

Elana Anne Maser, M.D.'s National Provider Identifier (NPI) is 1538354857, issued on Sep 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elana Anne Maser, M.D. located?

The NPPES record lists a practice address at 17 E 102ND St, New York, NY, 10029. Phone: (212) 241-8100. Providers update this record themselves, so call before visiting.

How can I verify Elana Anne Maser, M.D.'s license?

NPPES lists New York license number 245783-1, 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 Elana Anne Maser, M.D. prescribe under Medicare Part D?

In 2024, Elana Anne Maser, M.D. had 344 Medicare Part D claims for 98 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.