Dr. Mohammed Absar Ullah, MD

  • Springfield, MA
  • Gastroenterologist
NPI1336568534PAC ID4587915657
Medicare services, 2024
567
Medicare patients, 2024
403
Part D claims, 2024
425
Publications
14
Hospital affiliations
4
Practice address
759 Chestnut Street, Springfield, MA 01199
Practice phone
Call (413) 794-0000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Baystate Medical Center

Hospital · Springfield, Massachusetts

See all 8 affiliations

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Dr. Mohammed Absar Ullah is a gastroenterologist in Springfield, Massachusetts

Dr. Ullah practices at Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health.

Dr. Ullah's NPI, 1336568534, was assigned on April 15, 2014. Dr. Ullah graduated from State University of New York Downstate Medical Center in 2014. Dr. Ullah holds Massachusetts license 1015174.

NPI and contact details
Medicare PAC ID
4587915657
NPI enumeration date
April 15, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(413) 794-0000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Mohammed Absar Ullah practices at Baystate Medical Center in Springfield, Massachusetts

Dr. Ullah's primary practice is Baystate Medical Center, at 759 Chestnut Street, Springfield, MA 01199 in Hampden County. The practice phone is (413) 794-0000.

Source: Dmand AI Affiliation Data

Dr. Mohammed Absar Ullah is affiliated with 5 sites of care and 3 medical groups

Dr. Ullah's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dr. Ullah is also affiliated with Baystate Noble Hospital. The medical group on file is Baystate Medical Practices. Dmand AI also links Dr. Ullah to 2 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Ullah

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

Dmand AI tracks the EHR system at Dr. Mohammed Absar Ullah's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ullah practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Baystate Medical CenterAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ullah practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Baystate Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Mohammed Absar Ullah is one of 597 gastroenterologists in Massachusetts

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

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 1015174 · taxonomy 207RG0100X

Gastroenterologists near Dr. Ullah

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. Mohammed Absar Ullah billed Medicare for 567 services in 2024

CMS data shows 567 Medicare services from Dr. Ullah across 11 procedure codes in 2024, for 403 Medicare patients. Medicare paid $57,375 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024567
Medicare patients403
Paid by Medicare$57,375
Procedure codes11

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

  • 2023
  • 2024
Surgery
2023: 632024: 286354%
Office and hospital visits
2023: 822024: 281243%
Other services
2023: 272024: 0100%

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

  • Dr. Ullah
  • Massachusetts median
Medicare services
567vs 5199% above
Medicare patients
403vs 34317% above
Part D claims
272vs 3009% below

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

Dr. Ullah'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. Ullah

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

Dr. Mohammed Absar Ullah treated 403 Medicare patients in 2024, average age 72

CMS counts 403 Medicare patients who saw Dr. Ullah in 2024. The largest group is 65 to 74, with 144 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.93, 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. Ullah's median patient age at 64, with 48% women.

Medicare patients, 2024403
Average age72
Average risk score1.93
Also on Medicaid37%

Dr. Ullah's Medicare patients by age, 2024

Dr. Ullah's Medicare patients by sex, 2024

  • Women18947%
  • Men21453%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis51%
  4. Chronic kidney disease39%
  5. Mood disorders39%
  6. Anxiety36%
  7. Diabetes36%
  8. Ischemic heart disease36%

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

Dr. Ullah's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women48%
  • Men52%

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

Dr. Mohammed Absar Ullah wrote 425 Medicare Part D claims in 2024

In 2024, Dr. Ullah wrote 425 Medicare Part D claims for 219 patients. 84% of them were for generic drugs. CMS names the drug for 272 of them, across 8 drugs with 11 or more claims each, at $11,082 in total drug cost. In 2023, CMS named 61 claims across 3 drugs.

Part D claims, 2024425
Drugs named by CMS8
Total drug cost$11,082
Part D patients219

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

  • Generic357 claims84%
  • Brand-name68 claims16%

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

  • Antibiotics5%23 of 425 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: 612024: 272346%

Drugs named by CMS: 8 in 2024, 3 in 2023.

See all prescribing by Dr. Ullah

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. Mohammed Absar Ullah ranks in the 95th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Ullah accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ullah as offering telehealth. CMS counts 296 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ullah, more than 95% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Ullah ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
95th percentile296 procedures
Colonoscopy
89th percentile152 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. Mohammed Absar Ullah has 14 publications on record

Dmand AI links 14 papers to Dr. Ullah, published from 2014 to 2021. 2014 was the busiest year, with 2. The most frequent topics are Drug Interactions, Pharmaceutical Preparations and Drug Discovery. Dr. Ullah has published most often in Drug Metab Dispos. Dr. Ullah's most frequent co-author is Francois Mercier, MD.

Papers14
Years published2014 to 2021

Dr. Ullah's papers by year, 2014 to 2021

Topics Dr. Ullah writes about most

  • Drug Interactions
  • Pharmaceutical Preparations
  • Drug Discovery
  • Hepatocytes
  • ATP-Binding Cassette Transporters
  • ATP Binding Cassette Transporter, Subfamily B, Member 1
  • Benzamides
  • Biological Assay

Dr. Ullah's most frequent co-authors

Recent publications by Dr. Ullah

See all 14 publications and co-authors

See who Dr. Ullah researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ullah 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. Mohammed Absar Ullah received $36 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Ullah from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Olympus Corporation of the Americas paid the most, $36.

Companies that paid Dr. Ullah the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Ullah

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

Dr. Mohammed Absar Ullah graduated from State University of New York Downstate Medical Center

Dr. Ullah graduated from State University of New York Downstate Medical Center in 2014.

  1. Medical schoolState University of New York Downstate Medical Center

Source: Dmand AI Professional Profile Data

Sources for Dr. Mohammed Absar Ullah'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)
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. Mohammed Absar Ullah

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. Mohammed Absar Ullah's NPI number?

Dr. Mohammed Absar Ullah's NPI number is 1336568534. It was assigned on April 15, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Mohammed Absar Ullah?

Dr. Mohammed Absar Ullah is a gastroenterologist in Springfield, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Mohammed Absar Ullah practice?

Dr. Ullah practices at 759 Chestnut Street, Springfield, MA 01199. Dr. Ullah's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dmand AI also links Dr. Ullah to 2 hospitals, 2 medical groups and 1 group practice or clinic.

What is Dr. Mohammed Absar Ullah's office phone number?

The practice phone on file for Dr. Ullah is (413) 794-0000.

What is Dr. Mohammed Absar Ullah's medical license number?

Dr. Ullah holds Massachusetts license 1015174.

Which hospitals is Dr. Mohammed Absar Ullah affiliated with?

Dr. Ullah practices at Baystate Medical Center in Springfield, Massachusetts. Dr. Ullah is also affiliated with Baystate Noble Hospital. Dmand AI links Dr. Ullah to 2 more hospitals.

What medical group is Dr. Mohammed Absar Ullah part of?

Dr. Ullah is linked to Baystate Medical Practices. Dmand AI links Dr. Ullah to 2 more medical groups.

Does Dr. Mohammed Absar Ullah accept Medicare?

Yes. CMS data shows Dr. Ullah billed Medicare for 567 services in 2024, and Dr. Ullah accepts Medicare assignment.

Does Dr. Mohammed Absar Ullah offer telehealth?

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

How many Medicare patients does Dr. Mohammed Absar Ullah see?

CMS counts 403 Medicare patients who saw Dr. Ullah in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

What services does Dr. Mohammed Absar Ullah bill to Medicare?

In 2024, Dr. Ullah's most billed Medicare services were hospital inpatient care (99222), surgery: digestive system (43239) and surgery: digestive system (45385).

Where did Dr. Mohammed Absar Ullah go to medical school?

Dr. Ullah graduated from State University of New York Downstate Medical Center in 2014.

What drugs does Dr. Mohammed Absar Ullah prescribe most?

In 2024 Medicare Part D data, Dr. Ullah's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Pantoprazole Sodium.

Has Dr. Mohammed Absar Ullah received payments from drug or device companies?

CMS Open Payments shows $36 in general payments to Dr. Ullah from 1 company from 2024 to 2024. The largest total came from Olympus Corporation of the Americas.

How long has Dr. Mohammed Absar Ullah been practicing?

Dr. Ullah graduated from medical school in 2014, 12 years ago.

Does Dr. Mohammed Absar Ullah do research?

Dmand AI links 14 publications to Dr. Ullah, published from 2014 to 2021.

Who does Dr. Mohammed Absar Ullah publish with?

Dr. Ullah's most frequent co-authors are Francois Mercier, MD (1 shared paper).

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