Dr. Riken Kumar, MD
- Medicare services, 2021
- 454
- Part D claims, 2024
- 2,127
- Industry payments
- $114
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 6111 Executive Blvd, Rockville, MD 20852
- Practice phone
- Call (301) 816-2424
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caton Hill Medical Center
Rockville, Maryland
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. Riken Kumar is an internist in Rockville, Maryland
Dr. Kumar practices at Caton Hill Medical Center in Rockville, Maryland.
Dr. Kumar's NPI, 1659891919, was assigned on June 27, 2017. Dr. Kumar holds Virginia license 0101269941.
- NPI
- 1659891919NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2017
- NPI status
- Active
- Practice phone
- (301) 816-2424
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Riken Kumar practices at Caton Hill Medical Center in Rockville, Maryland
Dr. Kumar's primary practice is Caton Hill Medical Center, at 6111 Executive Blvd, Rockville, MD 20852 in Montgomery County. The practice phone is (301) 816-2424.
- Caton Hill Medical Center6111 Executive Blvd, Rockville, MD 20852 · Montgomery CountyPhone(301) 816-2424
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Riken Kumar is affiliated with 2 sites of care and 1 medical group
Dr. Kumar's primary practice is Caton Hill Medical Center in Rockville, Maryland. The medical group on file is Patient First. Dmand AI also links Dr. Kumar to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Riken Kumar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caton Hill 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. Riken Kumar is one of 3,320 internists in Maryland
Internal medicine is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Kumar's licenses on file in 2 states: Virginia and Pennsylvania.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
- Pennsylvania license
Internists near Dr. Kumar
Counts of internists 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. Riken Kumar billed Medicare for 454 services in 2021
CMS data shows 454 Medicare services from Dr. Kumar across 13 procedure codes in 2021. Medicare paid $24,808 for them. Every service was in an office.
Dr. Kumar's Medicare services by type, 2021
- Office and hospital visits273
- Lab and pathology109
- Imaging41
- Surgery31
Dr. Kumar compared with the Maryland median for internists, 2021
- Dr. Kumar
- Maryland median
- Medicare services
- 454vs 65631% below
- Part D claims
- 1,696vs 3095.5 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Kumar's most billed Medicare procedure codes, 2021
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. Kumar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kumar and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Riken Kumar's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Kumar's median patient age at 43, with 48% 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 43
Patient panel by sex, all payers
- Women48%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Riken Kumar wrote 2,127 Medicare Part D claims in 2024
In 2024, Dr. Kumar wrote 2,127 Medicare Part D claims for 254 patients. 84% of them were for generic drugs. CMS names the drug for 1,696 of them, across 45 drugs with 11 or more claims each, at $70,166 in total drug cost. In 2023, CMS named 1,111 claims across 34 drugs.
Dr. Kumar's Part D claims by kind of drug, 2024
- Generic1,792 claims84%
- Brand-name302 claims14%
- Other33 claims2%
Dr. Kumar'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. Kumar's Part D claims, 2024
- Antibiotics1%26 of 2,127 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: 1,1112024: 1,69653%
Drugs named by CMS: 45 in 2024, 34 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
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Dr. Riken Kumar received $114 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Kumar from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $114.
Companies that paid Dr. Kumar the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Riken 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data |
| 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) |
| 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. Riken 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. Riken Kumar's NPI number?
Dr. Riken Kumar's NPI number is 1659891919. It was assigned on June 27, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Riken Kumar?
Dr. Riken Kumar is an internist in Rockville, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Riken Kumar practice?
Dr. Kumar practices at 6111 Executive Blvd, Rockville, MD 20852. Dr. Kumar's primary practice is Caton Hill Medical Center in Rockville, Maryland. Dmand AI also links Dr. Kumar to 1 group practice or clinic.
What is Dr. Riken Kumar's office phone number?
The practice phone on file for Dr. Kumar is (301) 816-2424.
What is Dr. Riken Kumar's medical license number?
Dr. Kumar holds Virginia license 0101269941, one of the licenses on file in 2 states.
Which states has Dr. Riken Kumar been licensed in?
Dmand AI has state licenses on file for Dr. Kumar in Virginia and Pennsylvania.
What medical group is Dr. Riken Kumar part of?
Dr. Kumar is linked to Patient First.
Does Dr. Riken Kumar accept Medicare?
Yes. CMS data shows Dr. Kumar billed Medicare for 454 services in 2021.
What services does Dr. Riken Kumar bill to Medicare?
In 2021, Dr. Kumar's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and diagnostic imaging (71046).
What drugs does Dr. Riken Kumar prescribe most?
In 2024 Medicare Part D data, Dr. Kumar's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Lisinopril.
Has Dr. Riken Kumar received payments from drug or device companies?
CMS Open Payments shows $114 in general payments to Dr. Kumar from 1 company from 2018 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Riken Kumar been practicing?
Dr. Kumar graduated from medical school in 2017, 9 years ago.
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