Dr. Ruma Kumar, MD
- Part D claims, 2024
- 78
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 250 Hospital Parkway, San Jose, CA 95119
- Practice phone
- Call (408) 972-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kumar'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. Ruma Kumar is a hospitalist in San Jose, California
Dr. Kumar practices at San Jose Medical Center in San Jose, California, part of Kaiser Permanente.
Dr. Kumar's NPI, 1578635322, was assigned on November 15, 2006. Dr. Kumar graduated from Keck School of Medicine of USC in 1992. Dr. Kumar holds California license G77459.
- NPI
- 1578635322NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577609098
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 972-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ruma Kumar practices at San Jose Medical Center in San Jose, California
Dr. Kumar's primary practice is San Jose Medical Center, at 250 Hospital Parkway, San Jose, CA 95119 in Santa Clara County. The practice phone is (408) 972-7000.
- San Jose Medical Center250 Hospital Parkway, San Jose, CA 95119 · Santa Clara CountyPhone(408) 972-7000
Source: Dmand AI Affiliation Data
Dr. Ruma Kumar is affiliated with 2 sites of care and 1 medical group
Dr. Kumar's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Kumar to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ruma Kumar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Jose Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ruma Kumar is one of 3,186 hospitalists in California
Hospitalist is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Kumar is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dr. Kumar is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Kumar
Counts of hospitalists 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. Ruma Kumar's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Kumar's median patient age at 61, with 44% women.
Dr. Kumar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Ruma Kumar wrote 78 Medicare Part D claims in 2024
In 2024, Dr. Kumar wrote 78 Medicare Part D claims for 35 patients. 79% of them were for generic drugs.
Dr. Kumar's Part D claims by kind of drug, 2024
- Generic62 claims79%
- Brand-name16 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ruma Kumar takes part in Medicare
Dr. Kumar 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. Ruma Kumar graduated from Keck School of Medicine of USC
Dr. Kumar graduated from Keck School of Medicine of USC in 1992. Dr. Kumar is a member of SHM.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ruma Kumar accepts plans from 2 insurance carriers
Dr. Kumar is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Kumar accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ruma Kumar'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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. Ruma Kumar
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. Ruma Kumar's NPI number?
Dr. Ruma Kumar's NPI number is 1578635322. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruma Kumar?
Dr. Ruma Kumar is a hospitalist in San Jose, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ruma Kumar practice?
Dr. Kumar practices at 250 Hospital Parkway, San Jose, CA 95119. Dr. Kumar's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dmand AI also links Dr. Kumar to 1 group practice or clinic.
What is Dr. Ruma Kumar's office phone number?
The practice phone on file for Dr. Kumar is (408) 972-7000.
What is Dr. Ruma Kumar's medical license number?
Dr. Kumar holds California license G77459.
Which hospitals is Dr. Ruma Kumar affiliated with?
Dr. Kumar practices at San Jose Medical Center in San Jose, California.
What medical group is Dr. Ruma Kumar part of?
Dr. Kumar is linked to The Permanente Medical Group, Inc.
Does Dr. Ruma Kumar accept Medicare?
Yes. CMS lists Dr. Kumar as accepting Medicare assignment.
Is Dr. Ruma Kumar board certified?
Yes. Dr. Kumar is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
Where did Dr. Ruma Kumar go to medical school?
Dr. Kumar graduated from Keck School of Medicine of USC in 1992.
How long has Dr. Ruma Kumar been practicing?
Dr. Kumar graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Ruma Kumar accept?
Dr. Kumar is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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