Dr. Neil B. Marya, MD

  • Mendon, MA
  • Gastroenterologist
NPI1790046092PAC ID6608008420
Medicare services, 2024
429
Medicare patients, 2024
275
Part D claims, 2024
168
Publications
68
MIPS score, 2024
100
Practice address
55 North Ave, Mendon, MA 01756
Practice phone
Call (508) 334-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Umass Memorial Medical Center

Mendon, Massachusetts

See all 6 affiliations

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Dr. Neil B. Marya is a gastroenterologist in Mendon, Massachusetts

Dr. Marya practices at Umass Memorial Medical Center in Mendon, Massachusetts.

Dr. Marya's NPI, 1790046092, was assigned on June 4, 2012. Dr. Marya graduated from University of Massachusetts Medical School in 2012. Dr. Marya holds Massachusetts license 262824.

NPI and contact details
Medicare PAC ID
6608008420
NPI enumeration date
June 4, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(508) 334-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Neil B. Marya practices at Umass Memorial Medical Center in Mendon, Massachusetts

Dr. Marya's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.

  • Umass Memorial Medical Center
    55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Neil B. Marya is affiliated with 5 sites of care and 1 medical group

Dr. Marya's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Marya is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Marya to 3 more hospitals, each named with a free account.

See all 6 affiliations for Dr. Marya

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Neil B. Marya's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marya practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Umass Memorial Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Neil B. Marya is one of 597 gastroenterologists in Massachusetts

Gastroenterology is Dr. Marya's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Marya is licensed in Massachusetts.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 262824 · taxonomy 207RG0100X

Gastroenterologists near Dr. Marya

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. Neil B. Marya billed Medicare for 429 services in 2024

CMS data shows 429 Medicare services from Dr. Marya across 14 procedure codes in 2024, for 275 Medicare patients. Medicare paid $50,044 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024429
Medicare patients275
Paid by Medicare$50,044
Procedure codes14

Dr. Marya's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 3592024: 28620%
Office and hospital visits
2023: 452024: 6749%
Imaging
2023: 892024: 5637%
Tests and treatments
2023: 162024: 2025%

Dr. Marya compared with the Massachusetts median for gastroenterologists, 2024

  • Dr. Marya
  • Massachusetts median
Medicare services
429vs 51917% below
Medicare patients
275vs 34320% below
Part D claims
129vs 30057% below

Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Marya'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.

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

Dr. Neil B. Marya treated 275 Medicare patients in 2024, average age 71

CMS counts 275 Medicare patients who saw Dr. Marya in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.82, 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. Marya's median patient age at 72, with 54% women.

Medicare patients, 2024275
Average age71
Average risk score1.82
Also on Medicaid38%

Dr. Marya's Medicare patients by age, 2024

Dr. Marya's Medicare patients by sex, 2024

  • Women13951%
  • Men13649%

Chronic conditions among Dr. Marya's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Mood disorders44%
  5. Depression41%
  6. Anxiety39%
  7. Diabetes36%
  8. Chronic kidney disease31%

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

Dr. Marya's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Neil B. Marya wrote 168 Medicare Part D claims in 2024

In 2024, Dr. Marya wrote 168 Medicare Part D claims for 87 patients. 73% of them were for generic drugs. CMS names the drug for 129 of them, across 6 drugs with 11 or more claims each, at $111,059 in total drug cost. In 2023, CMS named 141 claims across 7 drugs.

Part D claims, 2024168
Drugs named by CMS6
Total drug cost$111,059
Part D patients87

Dr. Marya's Part D claims by kind of drug, 2024

  • Generic123 claims73%
  • Brand-name45 claims27%

Dr. Marya'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1412024: 1299%

Drugs named by CMS: 6 in 2024, 7 in 2023.

See all prescribing by Dr. Marya

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. Neil B. Marya scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Marya for performance year 2024, reported through an alternative payment model (APM). Dr. Marya accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marya as offering telehealth. CMS counts 468 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Marya, more than 98% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Marya's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Marya ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
98th percentile468 procedures
Colonoscopy
58th percentile39 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)

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Dr. Neil B. Marya has 68 publications on record

Dmand AI links 68 papers to Dr. Marya, published from 2014 to 2025. 2024 was the busiest year, with 16. The most frequent topics are Endoscopy, Gastrointestinal, Cholestasis and Constriction, Pathologic. Dr. Marya has published most often in Gastrointest Endosc. Dr. Marya's most frequent co-authors are Andrew Charles Storm, MD, Nirav Chandrakantbhai Thosani, MD and Bashar Jeryes Qumseya, MD, MPH.

Papers68
Years published2014 to 2025

Dr. Marya's papers by year, 2014 to 2025

Topics Dr. Marya writes about most

  • Endoscopy, Gastrointestinal
  • Cholestasis
  • Constriction, Pathologic
  • Endosonography
  • Cholangiopancreatography, Endoscopic Retrograde
  • Artificial Intelligence
  • Capsule Endoscopy
  • Stents

Dr. Marya's most frequent co-authors

Recent publications by Dr. Marya

See all 68 publications and co-authors

See who Dr. Marya researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marya 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. Neil B. Marya received $127,901 in industry payments from 2016 to 2025

CMS Open Payments shows 169 general payments to Dr. Marya from 9 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 67% of the total. Boston Scientific Corporation paid the most, $126,383.

General payments to Dr. Marya by program year, 2016 to 2025

General payments to Dr. Marya by kind, 2016 to 2025

$127.9Kin total
  • Speaker and faculty fees$85,44067%
  • Consulting fees$32,85026%
  • Travel and lodging$4,9744%
  • Food and beverage$4,6364%

Companies that paid Dr. Marya the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Marya

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Neil B. Marya graduated from University of Massachusetts Medical School

Dr. Marya graduated from University of Massachusetts Medical School in 2012.

  1. Medical schoolUniversity of Massachusetts Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Neil B. Marya'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Neil B. Marya

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. Neil B. Marya's NPI number?

Dr. Neil B. Marya's NPI number is 1790046092. It was assigned on June 4, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Neil B. Marya?

Dr. Neil B. Marya is a gastroenterologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Neil B. Marya practice?

Dr. Marya practices at 55 North Ave, Mendon, MA 01756. Dr. Marya's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Marya to 3 hospitals.

What is Dr. Neil B. Marya's office phone number?

The practice phone on file for Dr. Marya is (508) 334-1000.

What is Dr. Neil B. Marya's medical license number?

Dr. Marya holds Massachusetts license 262824.

Which hospitals is Dr. Neil B. Marya affiliated with?

Dr. Marya is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Marya to 3 more hospitals.

What medical group is Dr. Neil B. Marya part of?

Dr. Marya is linked to UMass Memorial Medical Group.

Does Dr. Neil B. Marya accept Medicare?

Yes. CMS data shows Dr. Marya billed Medicare for 429 services in 2024, and Dr. Marya accepts Medicare assignment.

Does Dr. Neil B. Marya offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Marya as offering telehealth services.

What is Dr. Neil B. Marya's MIPS score?

Dr. Marya's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Neil B. Marya see?

CMS counts 275 Medicare patients who saw Dr. Marya in 2024, with an average age of 71.

What services does Dr. Neil B. Marya bill to Medicare?

In 2024, Dr. Marya's most billed Medicare services were surgery: digestive system (43237), diagnostic imaging (74328) and surgery: digestive system (43238).

Where did Dr. Neil B. Marya go to medical school?

Dr. Marya graduated from University of Massachusetts Medical School in 2012.

What drugs does Dr. Neil B. Marya prescribe most?

In 2024 Medicare Part D data, Dr. Marya's most prescribed drugs by claims were Gavilyte-C, Creon and Omeprazole.

Has Dr. Neil B. Marya received payments from drug or device companies?

CMS Open Payments shows $127,901 in general payments to Dr. Marya from 9 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Neil B. Marya been practicing?

Dr. Marya graduated from medical school in 2012, 14 years ago.

Does Dr. Neil B. Marya do research?

Dmand AI links 68 publications to Dr. Marya, published from 2014 to 2025.

Who does Dr. Neil B. Marya publish with?

Dr. Marya's most frequent co-authors are Andrew Charles Storm, MD (20 shared papers), Nirav Chandrakantbhai Thosani, MD (18 shared papers) and Bashar Jeryes Qumseya, MD, MPH (17 shared papers).

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