Dr. Sumit Kumar Majumder, MD
- Medicare services, 2024
- 1,562
- Medicare patients, 2024
- 327
- Part D claims, 2024
- 208
- Hospital affiliations
- 2
- Industry payments
- $188
- Practice address
- 2425 Samaritan Drive, San Jose, CA 95124
- Practice phone
- Call (408) 559-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Majumder's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sumit Kumar Majumder is an infectious disease specialist in San Jose, California
Dr. Majumder practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Dr. Majumder's NPI, 1245317692, was assigned on November 1, 2006. Dr. Majumder graduated from NRS Medical College Calcutta in 1983. Dr. Majumder's California license number on file is A50797.
- NPI
- 1245317692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183806961
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 559-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sumit Kumar Majumder practices at Good Samaritan Hospital in San Jose, California
Dr. Majumder's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.
- Good Samaritan Hospital2425 Samaritan Drive, San Jose, CA 95124 · Santa Clara CountyPhone(408) 559-2011
Source: Dmand AI Affiliation Data
Dr. Sumit Kumar Majumder is affiliated with 5 sites of care and 2 medical groups
Dr. Majumder's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dr. Majumder is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is El Camino Health Medical Network. Dmand AI also links Dr. Majumder to 2 more group practices and clinics, 1 home health agency and 1 medical group, 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. Sumit Kumar Majumder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Majumder practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sumit Kumar Majumder is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Majumder's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Majumder is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Majumder's licenses on file in 4 states: California, New Jersey, New York and Pennsylvania.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- New Jersey license
- New York license
- Pennsylvania license
Clinical focus
Dmand AI lists acute skin infection, hiv/aids and joint or bone infection among the conditions Dr. Majumder treats.
Infectious disease specialists near Dr. Majumder
Counts of infectious disease specialists 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. Sumit Kumar Majumder billed Medicare for 1,562 services in 2024
CMS data shows 1,562 Medicare services from Dr. Majumder across 4 procedure codes in 2024, for 327 Medicare patients. Medicare paid $137,728 for them.
Dr. Majumder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4202024: 1,56210%
Where Dr. Majumder's Medicare services took place, 2024
- In an office242%
- In a facility1,53898%
Dr. Majumder compared with the California median for infectious disease specialists, 2024
- Dr. Majumder
- California median
- Medicare services
- 1,562vs 4293.6 times
- Medicare patients
- 327vs 18082% above
- Part D claims
- 132vs 11911% above
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Majumder'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.
Need commercial claims for Dr. Majumder?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Majumder and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sumit Kumar Majumder treated 327 Medicare patients in 2024, average age 78
CMS counts 327 Medicare patients who saw Dr. Majumder in 2024. The largest group is 75 to 84, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.87, 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. Majumder's median patient age at 65, with 43% women.
Dr. Majumder's Medicare patients by age, 2024
Dr. Majumder's Medicare patients by sex, 2024
- Women15246%
- Men17554%
Chronic conditions among Dr. Majumder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease52%
- Arthritis51%
- Diabetes48%
- Ischemic heart disease48%
- Heart failure43%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Majumder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sumit Kumar Majumder wrote 208 Medicare Part D claims in 2024
In 2024, Dr. Majumder wrote 208 Medicare Part D claims for 59 patients. 80% of them were for generic drugs. CMS names the drug for 132 of them, across 10 drugs with 11 or more claims each, at $117,800 in total drug cost. In 2023, CMS named 217 claims across 14 drugs.
Dr. Majumder's Part D claims by kind of drug, 2024
- Generic167 claims80%
- Brand-name41 claims20%
Dr. Majumder'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. Majumder's Part D claims, 2024
- Antibiotics54%113 of 208 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: 2172024: 13239%
Drugs named by CMS: 10 in 2024, 14 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
How Dr. Sumit Kumar Majumder takes part in Medicare
Dr. Majumder accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sumit Kumar Majumder received $188 in industry payments from 2017 to 2025
CMS Open Payments shows 5 general payments to Dr. Majumder from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 88% of the total. Melinta Therapeutics, Inc. paid the most, $125.
General payments to Dr. Majumder by program year, 2017 to 2025
General payments to Dr. Majumder by kind, 2017 to 2025
- Food and beverage$16588%
- Education$2312%
Companies that paid Dr. Majumder the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sumit Kumar Majumder has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Majumder, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Majumder
- 2014
- Regional Top Doctor
- Undated
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Sumit Kumar Majumder graduated from NRS Medical College Calcutta
Dr. Majumder graduated from NRS Medical College Calcutta in 1983. Dr. Majumder is a member of ACP.
- Medical school
- Board certified in infectious disease
Source: Dmand AI Professional Profile Data
Dr. Sumit Kumar Majumder accepts plans from 15 insurance carriers
Dr. Majumder is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Majumder accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Sumit Kumar Majumder'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Sumit Kumar Majumder
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. Sumit Kumar Majumder's NPI number?
Dr. Sumit Kumar Majumder's NPI number is 1245317692. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sumit Kumar Majumder?
Dr. Sumit Kumar Majumder is an infectious disease specialist in San Jose, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Sumit Kumar Majumder practice?
Dr. Majumder practices at 2425 Samaritan Drive, San Jose, CA 95124. Dr. Majumder's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dmand AI also links Dr. Majumder to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Sumit Kumar Majumder's office phone number?
The practice phone on file for Dr. Majumder is (408) 559-2011.
What is Dr. Sumit Kumar Majumder's medical license number?
Dr. Majumder's California license number on file is A50797, one of the licenses on file in 4 states.
Which states has Dr. Sumit Kumar Majumder been licensed in?
Dmand AI has state licenses on file for Dr. Majumder in California (1992 to 2025), New Jersey (1987 to 1993), New York (1989 to 1992) and Pennsylvania (1988 to 1992).
Which hospitals is Dr. Sumit Kumar Majumder affiliated with?
Dr. Majumder practices at Good Samaritan Hospital in San Jose, California. Dr. Majumder is also affiliated with El Camino Health - Mountain View Hospital.
What medical group is Dr. Sumit Kumar Majumder part of?
Dr. Majumder is linked to El Camino Health Medical Network. Dmand AI links Dr. Majumder to 1 more medical group.
Does Dr. Sumit Kumar Majumder accept Medicare?
Yes. CMS data shows Dr. Majumder billed Medicare for 1,562 services in 2024, and Dr. Majumder accepts Medicare assignment.
How many Medicare patients does Dr. Sumit Kumar Majumder see?
CMS counts 327 Medicare patients who saw Dr. Majumder in 2024, with an average age of 78.
Show 7 more questionsShow fewer questions
Is Dr. Sumit Kumar Majumder board certified?
Yes. Dr. Majumder is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Sumit Kumar Majumder bill to Medicare?
In 2024, Dr. Majumder's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Sumit Kumar Majumder go to medical school?
Dr. Majumder graduated from NRS Medical College Calcutta in 1983.
What drugs does Dr. Sumit Kumar Majumder prescribe most?
In 2024 Medicare Part D data, Dr. Majumder's most prescribed drugs by claims were Biktarvy, Ampicillin-Sulbactam and Ertapenem.
Has Dr. Sumit Kumar Majumder received payments from drug or device companies?
CMS Open Payments shows $188 in general payments to Dr. Majumder from 5 companies from 2017 to 2025. The largest total came from Melinta Therapeutics, Inc.
How long has Dr. Sumit Kumar Majumder been practicing?
Dr. Majumder graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Sumit Kumar Majumder accept?
Dr. Majumder is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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