Dr. Maya Gambarin-Gelwan, MD

  • New York, NY
  • Gastroenterologist
NPI1932144730PAC ID0840233961
Medicare services, 2024
636
Medicare patients, 2024
333
Part D claims, 2024
670
Publications
15
MIPS score, 2024
79
Practice address
1275 York Avenue, New York, NY 10065
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Sloan Kettering Cancer Center

Hospital · New York, New York

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Dr. Maya Gambarin-Gelwan is a gastroenterologist in New York, New York

Dr. Gambarin-Gelwan practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.

Dr. Gambarin-Gelwan's NPI, 1932144730, was assigned on June 17, 2006. Dr. Gambarin-Gelwan graduated from Icahn School Of Medicine At Mount Sinai in 1998. Dr. Gambarin-Gelwan holds New York license 214609.

NPI and contact details
Medicare PAC ID
0840233961
NPI enumeration date
June 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Maya Gambarin-Gelwan practices at Memorial Sloan Kettering Cancer Center in New York, New York

Dr. Gambarin-Gelwan's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.

Source: Dmand AI Affiliation Data

Dr. Maya Gambarin-Gelwan is affiliated with 1 site of care and 1 medical group

Dr. Gambarin-Gelwan's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. The medical group on file is Memorial Sloan Kettering Cancer Center.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Maya Gambarin-Gelwan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gambarin-Gelwan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial Sloan Kettering Cancer CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Maya Gambarin-Gelwan is one of 1,583 gastroenterologists in New York

Gastroenterology is Dr. Gambarin-Gelwan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Gambarin-Gelwan is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Gambarin-Gelwan's licenses on file in 3 states: New York, Florida and New Jersey.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 214609 · 1999 to 2027 · taxonomy 207RG0100X
  • Florida licenseSince 2022
  • New Jersey license2022 to 2025

Clinical focus

Dmand AI lists cirrhosis of the liver, colonoscopy, fatty liver, hepatitis c and upper GI endoscopy among the conditions Dr. Gambarin-Gelwan treats.

Gastroenterologists near Dr. Gambarin-Gelwan

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Maya Gambarin-Gelwan billed Medicare for 636 services in 2024

CMS data shows 636 Medicare services from Dr. Gambarin-Gelwan across 9 procedure codes in 2024, for 333 Medicare patients. Medicare paid $47,995 for them.

Medicare services, 2024636
Medicare patients333
Paid by Medicare$47,995
Procedure codes9

Dr. Gambarin-Gelwan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3332024: 43932%
Tests and treatments
2023: 942024: 12735%
Surgery
2023: 1022024: 7031%

Where Dr. Gambarin-Gelwan's Medicare services took place, 2024

  • In an office56689%
  • In a facility7011%

Dr. Gambarin-Gelwan compared with the New York median for gastroenterologists, 2024

  • Dr. Gambarin-Gelwan
  • New York median
Medicare services
636vs 42151% above
Medicare patients
333vs 23641% above
Part D claims
589vs 38254% above

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Dr. Gambarin-Gelwan's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Gambarin-Gelwan

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Maya Gambarin-Gelwan treated 333 Medicare patients in 2024, average age 73

CMS counts 333 Medicare patients who saw Dr. Gambarin-Gelwan in 2024. The largest group is 65 to 74, with 178 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gambarin-Gelwan's median patient age at 70, with 50% women.

Medicare patients, 2024333
Average age73
Average risk score2.54
Also on Medicaid18%

Dr. Gambarin-Gelwan's Medicare patients by age, 2024

Dr. Gambarin-Gelwan's Medicare patients by sex, 2024

  • Women18756%
  • Men14644%

Chronic conditions among Dr. Gambarin-Gelwan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer57%
  4. Arthritis42%
  5. Diabetes38%
  6. Anxiety31%
  7. Ischemic heart disease30%
  8. Mood disorders29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gambarin-Gelwan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Maya Gambarin-Gelwan wrote 670 Medicare Part D claims in 2024

In 2024, Dr. Gambarin-Gelwan wrote 670 Medicare Part D claims for 120 patients. 86% of them were for generic drugs. CMS names the drug for 589 of them, across 14 drugs with 11 or more claims each, at $238,331 in total drug cost. In 2023, CMS named 377 claims across 11 drugs.

Part D claims, 2024670
Drugs named by CMS14
Total drug cost$238,331
Part D patients120

Dr. Gambarin-Gelwan's Part D claims by kind of drug, 2024

  • Generic574 claims86%
  • Brand-name96 claims14%

Dr. Gambarin-Gelwan's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Gambarin-Gelwan's Part D claims, 2024

  • Antibiotics7%46 of 670 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3772024: 58956%

Drugs named by CMS: 14 in 2024, 11 in 2023.

See all prescribing by Dr. Gambarin-Gelwan

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Maya Gambarin-Gelwan scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Gambarin-Gelwan for performance year 2024, reported as part of a group. Dr. Gambarin-Gelwan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gambarin-Gelwan as offering telehealth. CMS counts 28 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Gambarin-Gelwan, more than 55% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Gambarin-Gelwan's MIPS scores, performance year 2024

  • 79of 100Final score
  • 65.9of 100Quality
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Gambarin-Gelwan ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
55th percentile28 procedures
Colonoscopy
45th percentile16 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Maya Gambarin-Gelwan has 15 publications on record

Dmand AI links 15 papers to Dr. Gambarin-Gelwan, published from 2005 to 2021. 2020 was the busiest year, with 2. The most frequent topics are Carcinoma, Hepatocellular, Hepacivirus and Hepatitis C, Chronic. Dr. Gambarin-Gelwan has published most often in Clin Transplant. Dr. Gambarin-Gelwan's most frequent co-authors are Arun Jesudian, MD, Brandon Aden, MD and Peter J. Allen, MD.

Papers15
Years published2005 to 2021

Dr. Gambarin-Gelwan's papers by year, 2005 to 2021

Topics Dr. Gambarin-Gelwan writes about most

  • Carcinoma, Hepatocellular
  • Hepacivirus
  • Hepatitis C, Chronic
  • Interferon-alpha
  • Interferon alpha-2
  • Liver Neoplasms
  • Recombinant Proteins
  • Comorbidity

Dr. Gambarin-Gelwan's most frequent co-authors

Recent publications by Dr. Gambarin-Gelwan

See all 15 publications and co-authors

See who Dr. Gambarin-Gelwan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gambarin-Gelwan works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Maya Gambarin-Gelwan has 1 award and honors on record

Dmand AI lists 1 award for Dr. Gambarin-Gelwan, most recently CMS Stage 1 EHR in 2011.

Awards and honors for Dr. Gambarin-Gelwan

  1. 2011
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Maya Gambarin-Gelwan graduated from Icahn School Of Medicine At Mount Sinai

Dr. Gambarin-Gelwan graduated from Icahn School Of Medicine At Mount Sinai in 1998. Dr. Gambarin-Gelwan is a member of ACP.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Maya Gambarin-Gelwan accepts plans from 11 insurance carriers

Dr. Gambarin-Gelwan is in network with 11 carriers, including Excellus BlueCross BlueShield, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • MVP Health Care
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +3 more carriersWith a free account

Plan types Dr. Gambarin-Gelwan accepts, by number of carriers

  1. PPO7
  2. Medicare5
  3. POS4
  4. EPO3
  5. HMO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Maya Gambarin-Gelwan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Maya Gambarin-Gelwan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Maya Gambarin-Gelwan's NPI number?

Dr. Maya Gambarin-Gelwan's NPI number is 1932144730. It was assigned on June 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Maya Gambarin-Gelwan?

Dr. Maya Gambarin-Gelwan is a gastroenterologist in New York, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Maya Gambarin-Gelwan practice?

Dr. Gambarin-Gelwan practices at 1275 York Avenue, New York, NY 10065. Dr. Gambarin-Gelwan's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.

What is Dr. Maya Gambarin-Gelwan's medical license number?

Dr. Gambarin-Gelwan holds New York license 214609, one of the licenses on file in 3 states.

Which states has Dr. Maya Gambarin-Gelwan been licensed in?

Dmand AI has state licenses on file for Dr. Gambarin-Gelwan in New York (1999 to 2027), Florida (since 2022) and New Jersey (2022 to 2025).

Which hospitals is Dr. Maya Gambarin-Gelwan affiliated with?

Dr. Gambarin-Gelwan practices at Memorial Sloan Kettering Cancer Center in New York, New York.

What medical group is Dr. Maya Gambarin-Gelwan part of?

Dr. Gambarin-Gelwan is linked to Memorial Sloan Kettering Cancer Center.

Does Dr. Maya Gambarin-Gelwan accept Medicare?

Yes. CMS data shows Dr. Gambarin-Gelwan billed Medicare for 636 services in 2024, and Dr. Gambarin-Gelwan accepts Medicare assignment.

Does Dr. Maya Gambarin-Gelwan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Gambarin-Gelwan as offering telehealth services.

What is Dr. Maya Gambarin-Gelwan's MIPS score?

Dr. Gambarin-Gelwan's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Maya Gambarin-Gelwan see?

CMS counts 333 Medicare patients who saw Dr. Gambarin-Gelwan in 2024, with an average age of 73.

Is Dr. Maya Gambarin-Gelwan board certified?

Yes. Dr. Gambarin-Gelwan is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Maya Gambarin-Gelwan bill to Medicare?

In 2024, Dr. Gambarin-Gelwan's most billed Medicare services were office visit, established patient (99214), digestive system test (91200) and office visit, established patient (99213).

Where did Dr. Maya Gambarin-Gelwan go to medical school?

Dr. Gambarin-Gelwan graduated from Icahn School Of Medicine At Mount Sinai in 1998.

What drugs does Dr. Maya Gambarin-Gelwan prescribe most?

In 2024 Medicare Part D data, Dr. Gambarin-Gelwan's most prescribed drugs by claims were Entecavir, Spironolactone and Furosemide.

How long has Dr. Maya Gambarin-Gelwan been practicing?

Dr. Gambarin-Gelwan graduated from medical school in 1998, 28 years ago.

Does Dr. Maya Gambarin-Gelwan do research?

Dmand AI links 15 publications to Dr. Gambarin-Gelwan, published from 2005 to 2021.

Who does Dr. Maya Gambarin-Gelwan publish with?

Dr. Gambarin-Gelwan's most frequent co-authors are Arun Jesudian, MD (2 shared papers), Brandon Aden, MD (1 shared paper) and Peter J. Allen, MD (1 shared paper).

What insurance does Dr. Maya Gambarin-Gelwan accept?

Dr. Gambarin-Gelwan is in network with 11 carriers, including Excellus BlueCross BlueShield, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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