Dr. Arnab Biswas, DO

  • Victorville, CA
  • Gastroenterologist
NPI1134216930PAC ID1355494667
Medicare services, 2024
1,078
Medicare patients, 2024
573
Part D claims, 2024
362
Publications
2
MIPS score, 2024
100
Practice address
12595 Hesperia Rd, Victorville, CA 92395
Practice phone
Call (760) 946-5800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

The Gastro Group

Victorville, California

See all 4 affiliations

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Dr. Arnab Biswas is a gastroenterologist in Victorville, California

Dr. Biswas practices at The Gastro Group in Victorville, California.

Dr. Biswas' NPI, 1134216930, was assigned on October 5, 2006. Dr. Biswas holds California license 20A9189.

NPI and contact details
Medicare PAC ID
1355494667
NPI enumeration date
October 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 946-5800
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Arnab Biswas practices at The Gastro Group in Victorville, California

Dr. Biswas' primary practice is The Gastro Group, at 12595 Hesperia Rd, Victorville, CA 92395 in San Bernardino County. The practice phone is (760) 946-5800.

  • The Gastro Group
    12595 Hesperia Rd, Victorville, CA 92395 · San Bernardino CountyPhone(760) 946-5800

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

Dr. Arnab Biswas is affiliated with 3 sites of care and 1 medical group

Dr. Biswas' primary practice is The Gastro Group in Victorville, California. Dr. Biswas is also affiliated with Providence St. Mary Medical Center. The medical group on file is The Gastro Group, Inc. Dmand AI also links Dr. Biswas to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Biswas

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

Dmand AI tracks the EHR system at Dr. Arnab Biswas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Biswas practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Gastro GroupAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Arnab Biswas is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Biswas' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Biswas is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Biswas' licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense 20A9189 · 2005 to 2026 · taxonomy 207RG0100X
  • Pennsylvania license2002 to 2009

Clinical focus

Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastrointestinal bleeding, hemorrhoids and intestinal diverticulosis among the conditions Dr. Biswas treats.

Gastroenterologists near Dr. Biswas

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

1,977gastroenterologists in California
7gastroenterologists in Victorville

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

Dr. Arnab Biswas billed Medicare for 1,078 services in 2024

CMS data shows 1,078 Medicare services from Dr. Biswas across 14 procedure codes in 2024, for 573 Medicare patients. Medicare paid $99,741 for them.

Medicare services, 20241,078
Medicare patients573
Paid by Medicare$99,741
Procedure codes14

Dr. Biswas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5682024: 72427%
Surgery
2023: 1952024: 27038%
Imaging
2023: 02024: 57
Other services
2023: 542024: 2750%

Where Dr. Biswas' Medicare services took place, 2024

  • In an office32430%
  • In a facility75470%

Dr. Biswas compared with the California median for gastroenterologists, 2024

  • Dr. Biswas
  • California median
Medicare services
1,078vs 58684% above
Medicare patients
573vs 30290% above
Part D claims
226vs 38041% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Biswas' 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. Biswas

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

Dr. Arnab Biswas treated 573 Medicare patients in 2024, average age 71

CMS counts 573 Medicare patients who saw Dr. Biswas in 2024. The largest group is 65 to 74, with 296 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.10, 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. Biswas' median patient age at 62, with 58% women.

Medicare patients, 2024573
Average age71
Average risk score2.10
Also on Medicaid45%

Dr. Biswas' Medicare patients by age, 2024

Dr. Biswas' Medicare patients by sex, 2024

  • Women33558%
  • Men23842%

Chronic conditions among Dr. Biswas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Diabetes52%
  5. Chronic kidney disease42%
  6. Heart failure34%
  7. Mood disorders33%
  8. Depression31%

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

Dr. Biswas' 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

  • Women58%
  • Men41%

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

Dr. Arnab Biswas wrote 362 Medicare Part D claims in 2024

In 2024, Dr. Biswas wrote 362 Medicare Part D claims for 129 patients. 74% of them were for generic drugs. CMS names the drug for 226 of them, across 10 drugs with 11 or more claims each, at $172,794 in total drug cost. In 2023, CMS named 264 claims across 11 drugs.

Part D claims, 2024362
Drugs named by CMS10
Total drug cost$172,794
Part D patients129

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

  • Generic268 claims74%
  • Brand-name94 claims26%

Dr. Biswas' 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. Biswas' Part D claims, 2024

  • Antibiotics3%12 of 362 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: 2642024: 22614%

Drugs named by CMS: 10 in 2024, 11 in 2023.

See all prescribing by Dr. Biswas

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. Arnab Biswas 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. Biswas for performance year 2024, reported as part of a group. Dr. Biswas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 130 procedures of colonoscopy by Dr. Biswas, more than 86% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Biswas' MIPS scores, performance year 2024

  • 100of 100Final score
  • 92.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

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

Where Dr. Biswas ranks in Medicare procedure volume

Colonoscopy
86th percentile130 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
78th percentile106 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. Arnab Biswas has 2 publications on record

Dmand AI links 2 papers to Dr. Biswas in 2009.

Papers2

Recent publications by Dr. Biswas

See all 2 publications and co-authors

See who Dr. Biswas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Biswas 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. Arnab Biswas received $7,397 in industry payments from 2016 to 2025

CMS Open Payments shows 412 general payments to Dr. Biswas from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $2,765.

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

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

$7.4Kin total
  • Food and beverage$7,14397%
  • Education$2543%

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

Share is of all general payments to this clinician.

See all payments to Dr. Biswas

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

Dr. Arnab Biswas is board certified in gastroenterology

  1. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Arnab Biswas accepts plans from 9 insurance carriers

Dr. Biswas is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • +1 more carriersWith a free account

Plan types Dr. Biswas accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO5
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Arnab Biswas'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 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
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. Arnab Biswas

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. Arnab Biswas' NPI number?

Dr. Arnab Biswas' NPI number is 1134216930. It was assigned on October 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Arnab Biswas?

Dr. Arnab Biswas is a gastroenterologist in Victorville, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Arnab Biswas practice?

Dr. Biswas practices at 12595 Hesperia Rd, Victorville, CA 92395. Dr. Biswas' primary practice is The Gastro Group in Victorville, California. Dmand AI also links Dr. Biswas to 1 group practice or clinic.

What is Dr. Arnab Biswas' office phone number?

The practice phone on file for Dr. Biswas is (760) 946-5800.

What is Dr. Arnab Biswas' medical license number?

Dr. Biswas holds California license 20A9189, one of the licenses on file in 2 states.

Which states has Dr. Arnab Biswas been licensed in?

Dmand AI has state licenses on file for Dr. Biswas in California (2005 to 2026) and Pennsylvania (2002 to 2009).

Which hospitals is Dr. Arnab Biswas affiliated with?

Dr. Biswas is affiliated with Providence St. Mary Medical Center.

What medical group is Dr. Arnab Biswas part of?

Dr. Biswas is linked to The Gastro Group, Inc.

Does Dr. Arnab Biswas accept Medicare?

Yes. CMS data shows Dr. Biswas billed Medicare for 1,078 services in 2024, and Dr. Biswas accepts Medicare assignment.

What is Dr. Arnab Biswas' MIPS score?

Dr. Biswas' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Arnab Biswas see?

CMS counts 573 Medicare patients who saw Dr. Biswas in 2024, with an average age of 71.

Is Dr. Arnab Biswas board certified?

Yes. Dr. Biswas is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Arnab Biswas bill to Medicare?

In 2024, Dr. Biswas' most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99223).

What drugs does Dr. Arnab Biswas prescribe most?

In 2024 Medicare Part D data, Dr. Biswas' most prescribed drugs by claims were Omeprazole, Peg 3350-Electrolyte and Propranolol HCl.

Has Dr. Arnab Biswas received payments from drug or device companies?

CMS Open Payments shows $7,397 in general payments to Dr. Biswas from 32 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Arnab Biswas been practicing?

Dr. Biswas graduated from medical school in 2002, 24 years ago.

Does Dr. Arnab Biswas do research?

Dmand AI links 2 publications to Dr. Biswas.

What insurance does Dr. Arnab Biswas accept?

Dr. Biswas is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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