Dr. Muddusir Mohammad Ayaz, MD

  • Buffalo, NY
  • Gastroenterologist
NPI1790164564PAC ID6406169200
Medicare services, 2024
127
Medicare patients, 2024
114
Part D claims, 2024
351
Hospital affiliations
2
Industry payments
$5,686
Practice address
565 Abbott Road, Buffalo, NY 14220
Practice phone
Call (716) 826-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital of Buffalo

Hospital · Buffalo, New York

See all 9 affiliations

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Dr. Muddusir Mohammad Ayaz is a gastroenterologist in Buffalo, New York

Dr. Ayaz practices at Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System.

Dr. Ayaz's NPI, 1790164564, was assigned on May 26, 2015. Dr. Ayaz graduated from New York University Grossman School of Medicine in 2015. Dr. Ayaz holds New York license 294263.

NPI and contact details
Medicare PAC ID
6406169200
NPI enumeration date
May 26, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(716) 826-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Muddusir Mohammad Ayaz practices at Mercy Hospital of Buffalo in Buffalo, New York

Dr. Ayaz's primary practice is Mercy Hospital of Buffalo, at 565 Abbott Road, Buffalo, NY 14220 in Erie County. The practice phone is (716) 826-7000.

Source: Dmand AI Affiliation Data

Dr. Muddusir Mohammad Ayaz is affiliated with 4 sites of care and 5 medical groups

Dr. Ayaz's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dr. Ayaz is also affiliated with Unity Hospital. The medical group on file is Roswell Park Comprehensive Cancer Center. Dmand AI also links Dr. Ayaz to 4 more medical groups and 2 group practices and clinics, each named with a free account.

See all 9 affiliations for Dr. Ayaz

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

Dmand AI tracks the EHR system at Dr. Muddusir Mohammad Ayaz's practice

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

EHR by site
SiteEHR vendor and product
Mercy Hospital of BuffaloAvailable with a free account
+3 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Muddusir Mohammad Ayaz is one of 1,583 gastroenterologists in New York

Gastroenterology is Dr. Ayaz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Ayaz's licenses on file in 2 states: New York and North Carolina.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 294263 · taxonomy 207RG0100X
  • Internal medicine, North CarolinaLicense 209950 · taxonomy 207R00000X

Gastroenterologists near Dr. Ayaz

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. Muddusir Mohammad Ayaz billed Medicare for 127 services in 2024

CMS data shows 127 Medicare services from Dr. Ayaz across 5 procedure codes in 2024, for 114 Medicare patients. Medicare paid $10,588 for them.

Medicare services, 2024127
Medicare patients114
Paid by Medicare$10,588
Procedure codes5

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

  • 2023
  • 2024
Surgery
2023: 142024: 56300%
Other services
2023: 152024: 43187%
Office and hospital visits
2023: 1632024: 2883%

Where Dr. Ayaz's Medicare services took place, 2024

  • In an office4535%
  • In a facility8265%

Dr. Ayaz compared with the New York median for gastroenterologists, 2024

  • Dr. Ayaz
  • New York median
Medicare services
127vs 42170% below
Medicare patients
114vs 23652% below
Part D claims
174vs 38254% below

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

Dr. Ayaz'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. Muddusir Mohammad Ayaz treated 114 Medicare patients in 2024, average age 71

CMS counts 114 Medicare patients who saw Dr. Ayaz in 2024. The largest group is 65 to 74, with 38 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.36, 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. Ayaz's median patient age at 62, with 53% women.

Medicare patients, 2024114
Average age71
Average risk score2.36
Also on Medicaid27%

Dr. Ayaz's Medicare patients by age, 2024

Dr. Ayaz's Medicare patients by sex, 2024

  • Women5952%
  • Men5548%

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

  1. High blood pressure75%
  2. High cholesterol70%
  3. Arthritis46%
  4. Ischemic heart disease39%
  5. Anxiety38%
  6. Mood disorders37%
  7. Diabetes33%
  8. Chronic kidney disease32%

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

Dr. Ayaz's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

Dr. Muddusir Mohammad Ayaz wrote 351 Medicare Part D claims in 2024

In 2024, Dr. Ayaz wrote 351 Medicare Part D claims for 170 patients. 89% of them were for generic drugs. CMS names the drug for 174 of them, across 5 drugs with 11 or more claims each, at $2,766 in total drug cost. In 2023, CMS named 74 claims across 4 drugs.

Part D claims, 2024351
Drugs named by CMS5
Total drug cost$2,766
Part D patients170

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

  • Generic312 claims89%
  • Brand-name39 claims11%

Dr. Ayaz'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. Ayaz's Part D claims, 2024

  • Antibiotics18%62 of 351 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: 742024: 174135%

Drugs named by CMS: 5 in 2024, 4 in 2023.

See all prescribing by Dr. Ayaz

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. Muddusir Mohammad Ayaz ranks in the 97th percentile for colonoscopy in Medicare

Dr. Ayaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 310 procedures of colonoscopy by Dr. Ayaz, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Ayaz ranks in Medicare procedure volume

Colonoscopy
97th percentile310 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
91st percentile212 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Muddusir Mohammad Ayaz received $5,686 in industry payments from 2020 to 2025

CMS Open Payments shows 220 general payments to Dr. Ayaz from 28 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 88% of the total. Abbvie Inc. paid the most, $980.

General payments to Dr. Ayaz by program year, 2020 to 2025

General payments to Dr. Ayaz by kind, 2020 to 2025

$5.7Kin total
  • Food and beverage$4,99288%
  • Device or supply loans$54210%
  • Education$1513%

Companies that paid Dr. Ayaz the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ayaz

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

Dr. Muddusir Mohammad Ayaz graduated from New York University Grossman School of Medicine

Dr. Ayaz graduated from New York University Grossman School of Medicine in 2015.

  1. Medical schoolNew York University Grossman School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Muddusir Mohammad Ayaz'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. Muddusir Mohammad Ayaz

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. Muddusir Mohammad Ayaz's NPI number?

Dr. Muddusir Mohammad Ayaz's NPI number is 1790164564. It was assigned on May 26, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Muddusir Mohammad Ayaz?

Dr. Muddusir Mohammad Ayaz is a gastroenterologist in Buffalo, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Muddusir Mohammad Ayaz practice?

Dr. Ayaz practices at 565 Abbott Road, Buffalo, NY 14220. Dr. Ayaz's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dmand AI also links Dr. Ayaz to 4 medical groups and 2 group practices and clinics.

What is Dr. Muddusir Mohammad Ayaz's office phone number?

The practice phone on file for Dr. Ayaz is (716) 826-7000.

What is Dr. Muddusir Mohammad Ayaz's medical license number?

Dr. Ayaz holds New York license 294263, one of the licenses on file in 2 states.

Which states has Dr. Muddusir Mohammad Ayaz been licensed in?

Dmand AI has state licenses on file for Dr. Ayaz in New York and North Carolina.

Which hospitals is Dr. Muddusir Mohammad Ayaz affiliated with?

Dr. Ayaz practices at Mercy Hospital of Buffalo in Buffalo, New York. Dr. Ayaz is also affiliated with Unity Hospital.

What medical group is Dr. Muddusir Mohammad Ayaz part of?

Dr. Ayaz is linked to Roswell Park Comprehensive Cancer Center. Dmand AI links Dr. Ayaz to 4 more medical groups.

Does Dr. Muddusir Mohammad Ayaz accept Medicare?

Yes. CMS data shows Dr. Ayaz billed Medicare for 127 services in 2024, and Dr. Ayaz accepts Medicare assignment.

How many Medicare patients does Dr. Muddusir Mohammad Ayaz see?

CMS counts 114 Medicare patients who saw Dr. Ayaz in 2024, with an average age of 71.

Show 5 more questionsShow fewer questions

What services does Dr. Muddusir Mohammad Ayaz bill to Medicare?

In 2024, Dr. Ayaz's most billed Medicare services were medicare service (G0500), surgery: digestive system (43239) and surgery: digestive system (45385).

Where did Dr. Muddusir Mohammad Ayaz go to medical school?

Dr. Ayaz graduated from New York University Grossman School of Medicine in 2015.

What drugs does Dr. Muddusir Mohammad Ayaz prescribe most?

In 2024 Medicare Part D data, Dr. Ayaz's most prescribed drugs by claims were Omeprazole, Metronidazole and Esomeprazole Magnesium.

Has Dr. Muddusir Mohammad Ayaz received payments from drug or device companies?

CMS Open Payments shows $5,686 in general payments to Dr. Ayaz from 28 companies from 2020 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Muddusir Mohammad Ayaz been practicing?

Dr. Ayaz graduated from medical school in 2015, 11 years ago.

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