Dr. Mohammed Rayhan Chowdhury, MD
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 104
- Hospital affiliations
- 4
- Industry payments
- $4,969
- Practice address
- 3288 Moanalua Rd, Honolulu, HI 96819
- Practice phone
- Call (808) 432-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chowdhury's professional email, personal email and mobile number
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Dr. Mohammed Rayhan Chowdhury is a gastroenterologist in Honolulu, Hawaii
Dr. Chowdhury practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente.
Dr. Chowdhury's NPI, 1104864966, was assigned on June 3, 2006. Dr. Chowdhury holds Pennsylvania license MD-042212-L.
- NPI
- 1104864966NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234038217
- NPI enumeration date
- June 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 432-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mohammed Rayhan Chowdhury practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii
Dr. Chowdhury's primary practice is Kaiser Permanente Moanalua Medical Center, at 3288 Moanalua Rd, Honolulu, HI 96819 in Honolulu County. The practice phone is (808) 432-0000.
- Kaiser Permanente Moanalua Medical Center3288 Moanalua Rd, Honolulu, HI 96819 · Honolulu CountyPhone(808) 432-0000
Source: Dmand AI Affiliation Data
Dr. Mohammed Rayhan Chowdhury is affiliated with 6 sites of care and 7 medical groups
Dr. Chowdhury's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. Dr. Chowdhury is also affiliated with UPMC Harrisburg. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links Dr. Chowdhury to 2 more hospitals, 6 medical groups, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mohammed Rayhan Chowdhury's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chowdhury practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Moanalua Medical Center | Available with a free account |
| +5 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mohammed Rayhan Chowdhury is one of 76 gastroenterologists in Hawaii
Gastroenterology is Dr. Chowdhury's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chowdhury is licensed in Pennsylvania.
Specialties and state licenses
- Gastroenterology, PennsylvaniaPrimary
Gastroenterologists near Dr. Chowdhury
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 Rayhan Chowdhury billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Chowdhury across 7 procedure codes in 2024, for 192 Medicare patients. Medicare paid $15,944 for them.
Dr. Chowdhury's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 802024: 9013%
- Surgery
- 2023: 582024: 4916%
- Other services
- 2023: 02024: 11
Where Dr. Chowdhury's Medicare services took place, 2024
- In an office9060%
- In a facility6040%
Dr. Chowdhury compared with the Hawaii median for gastroenterologists, 2024
- Dr. Chowdhury
- Hawaii median
- Medicare services
- 150vs 30150% below
- Medicare patients
- 192vs 17013% above
- Part D claims
- 71vs 30076% below
Medians across 72 gastroenterologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Chowdhury'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chowdhury and other gastroenterologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mohammed Rayhan Chowdhury treated 192 Medicare patients in 2024, average age 71
CMS counts 192 Medicare patients who saw Dr. Chowdhury in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chowdhury's median patient age at 62, with 58% women.
Dr. Chowdhury's Medicare patients by age, 2024
Dr. Chowdhury's Medicare patients by sex, 2024
- Women11459%
- Men7841%
Chronic conditions among Dr. Chowdhury's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes41%
- Anxiety35%
- Chronic kidney disease31%
- Ischemic heart disease29%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chowdhury'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
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mohammed Rayhan Chowdhury wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Chowdhury wrote 104 Medicare Part D claims for 80 patients. 91% of them were for generic drugs. CMS names the drug for 71 of them, across 3 drugs with 11 or more claims each, at $1,170 in total drug cost. In 2023, CMS named 342 claims across 7 drugs.
Dr. Chowdhury's Part D claims by kind of drug, 2024
- Generic95 claims91%
- Brand-name and other9 claims9%
Dr. Chowdhury'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: 3422024: 7179%
Drugs named by CMS: 3 in 2024, 7 in 2023.
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 Rayhan Chowdhury ranks in the 43rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Chowdhury accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chowdhury, more than 43% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chowdhury ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 43rd percentile12 procedures
- Colonoscopy
- 42nd percentile12 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 Rayhan Chowdhury received $4,969 in industry payments from 2016 to 2023
CMS Open Payments shows 297 general payments to Dr. Chowdhury from 22 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,288.
General payments to Dr. Chowdhury by program year, 2016 to 2023
General payments to Dr. Chowdhury by kind, 2016 to 2023
- Food and beverage$4,94299%
- Gifts$271%
Companies that paid Dr. Chowdhury the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mohammed Rayhan Chowdhury's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mohammed Rayhan Chowdhury
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 Rayhan Chowdhury's NPI number?
Dr. Mohammed Rayhan Chowdhury's NPI number is 1104864966. It was assigned on June 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mohammed Rayhan Chowdhury?
Dr. Mohammed Rayhan Chowdhury is a gastroenterologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mohammed Rayhan Chowdhury practice?
Dr. Chowdhury practices at 3288 Moanalua Rd, Honolulu, HI 96819. Dr. Chowdhury's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. Dmand AI also links Dr. Chowdhury to 2 hospitals, 6 medical groups, 1 physician office and 1 group practice or clinic.
What is Dr. Mohammed Rayhan Chowdhury's office phone number?
The practice phone on file for Dr. Chowdhury is (808) 432-0000.
What is Dr. Mohammed Rayhan Chowdhury's medical license number?
Dr. Chowdhury holds Pennsylvania license MD-042212-L.
Which hospitals is Dr. Mohammed Rayhan Chowdhury affiliated with?
Dr. Chowdhury practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii. Dr. Chowdhury is also affiliated with UPMC Harrisburg. Dmand AI links Dr. Chowdhury to 2 more hospitals.
What medical group is Dr. Mohammed Rayhan Chowdhury part of?
Dr. Chowdhury is linked to Hawaii Permanente Medical Group (HPMG). Dmand AI links Dr. Chowdhury to 6 more medical groups.
Does Dr. Mohammed Rayhan Chowdhury accept Medicare?
Yes. CMS data shows Dr. Chowdhury billed Medicare for 150 services in 2024, and Dr. Chowdhury accepts Medicare assignment.
How many Medicare patients does Dr. Mohammed Rayhan Chowdhury see?
CMS counts 192 Medicare patients who saw Dr. Chowdhury in 2024, with an average age of 71.
What services does Dr. Mohammed Rayhan Chowdhury bill to Medicare?
In 2024, Dr. Chowdhury's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, established patient (99213).
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What drugs does Dr. Mohammed Rayhan Chowdhury prescribe most?
In 2024 Medicare Part D data, Dr. Chowdhury's most prescribed drugs by claims were Gavilyte-G, Gavilyte-C and Pantoprazole Sodium.
Has Dr. Mohammed Rayhan Chowdhury received payments from drug or device companies?
CMS Open Payments shows $4,969 in general payments to Dr. Chowdhury from 22 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Mohammed Rayhan Chowdhury been practicing?
Dr. Chowdhury graduated from medical school in 1982, 44 years ago.
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