Dr. Kumarasamy Sivakumar, MD
- Medicare services, 2021
- 1,965
- Part D claims, 2022
- 205
- Industry payments
- $3,591
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 637 N 13th Ave, Upland, CA 91786
- Practice phone
- Call (909) 985-9321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inland Physicians Pulmonary Services
Upland, California
Find Dr. Sivakumar'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. Kumarasamy Sivakumar is an internist in Upland, California
Dr. Sivakumar practices at Inland Physicians Pulmonary Services in Upland, California.
Dr. Sivakumar's NPI, 1083762884, was assigned on January 8, 2007. Dr. Sivakumar graduated from University of Colombo Faculty of Medicine in 1979. Dr. Sivakumar's California license number on file is A54211.
- NPI
- 1083762884NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (909) 985-9321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Kumarasamy Sivakumar practices at Inland Physicians Pulmonary Services in Upland, California
Dr. Sivakumar's primary practice is Inland Physicians Pulmonary Services, at 637 N 13th Ave, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-9321.
- Inland Physicians Pulmonary Services637 N 13th Ave, Upland, CA 91786 · San Bernardino CountyPhone(909) 985-9321
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kumarasamy Sivakumar is affiliated with 2 sites of care
Dr. Sivakumar's primary practice is Inland Physicians Pulmonary Services in Upland, California. Dmand AI also links Dr. Sivakumar to 1 physician office, 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. Kumarasamy Sivakumar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sivakumar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inland Physicians Pulmonary Services | 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. Kumarasamy Sivakumar is one of 16,751 internists in California
Internal medicine is Dr. Sivakumar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sivakumar has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Sivakumar
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. Kumarasamy Sivakumar billed Medicare for 1,965 services in 2021
CMS data shows 1,965 Medicare services from Dr. Sivakumar across 10 procedure codes in 2021. Medicare paid $189,228 for them.
Dr. Sivakumar's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 3,7452021: 1,87250%
- Tests and treatments
- 2020: 4752021: 9380%
- Other services
- 2020: 2052021: 0100%
Where Dr. Sivakumar's Medicare services took place, 2021
- In an office92447%
- In a facility1,04153%
Dr. Sivakumar compared with the California median for internists, 2021
- Dr. Sivakumar
- California median
- Medicare services
- 1,965vs 3615.4 times
- Part D claims
- 205vs 42151% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Sivakumar'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sivakumar and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kumarasamy Sivakumar's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Sivakumar's median patient age at 71, with 45% women.
Dr. Sivakumar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women45%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Kumarasamy Sivakumar wrote 205 Medicare Part D claims in 2022
In 2022, Dr. Sivakumar wrote 205 Medicare Part D claims. Every claim was for a generic drug. They cover 10 drugs, with $4,391 in total drug cost. In 2021, CMS named 4,278 claims across 101 drugs.
Dr. Sivakumar's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 4,2782022: 20595%
Drugs named by CMS: 10 in 2022, 101 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Kumarasamy Sivakumar received $3,591 in industry payments from 2016 to 2021
CMS Open Payments shows 192 general payments to Dr. Sivakumar from 25 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $637.
General payments to Dr. Sivakumar by program year, 2016 to 2021
General payments to Dr. Sivakumar by kind, 2016 to 2021
- Food and beverage$3,574100%
- Education$180%
Companies that paid Dr. Sivakumar the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kumarasamy Sivakumar has 1 award and honors on record
Dmand AI lists 1 award for Dr. Sivakumar, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Sivakumar
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Kumarasamy Sivakumar graduated from University of Colombo Faculty of Medicine
Dr. Sivakumar graduated from University of Colombo Faculty of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kumarasamy Sivakumar'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) |
| 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 |
| 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. Kumarasamy Sivakumar
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What is Dr. Kumarasamy Sivakumar's NPI number?
Dr. Kumarasamy Sivakumar's NPI number is 1083762884. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kumarasamy Sivakumar?
Dr. Kumarasamy Sivakumar is an internist in Upland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kumarasamy Sivakumar practice?
Dr. Sivakumar practices at 637 N 13th Ave, Upland, CA 91786. Dr. Sivakumar's primary practice is Inland Physicians Pulmonary Services in Upland, California. Dmand AI also links Dr. Sivakumar to 1 physician office.
What is Dr. Kumarasamy Sivakumar's office phone number?
The practice phone on file for Dr. Sivakumar is (909) 985-9321.
What is Dr. Kumarasamy Sivakumar's medical license number?
Dr. Sivakumar's California license number on file is A54211.
Does Dr. Kumarasamy Sivakumar accept Medicare?
Yes. CMS data shows Dr. Sivakumar billed Medicare for 1,965 services in 2021.
What services does Dr. Kumarasamy Sivakumar bill to Medicare?
In 2021, Dr. Sivakumar's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Kumarasamy Sivakumar go to medical school?
Dr. Sivakumar graduated from University of Colombo Faculty of Medicine in 1979.
What drugs does Dr. Kumarasamy Sivakumar prescribe most?
In 2022 Medicare Part D data, Dr. Sivakumar's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Kumarasamy Sivakumar received payments from drug or device companies?
CMS Open Payments shows $3,591 in general payments to Dr. Sivakumar from 25 companies from 2016 to 2021. The largest total came from Novo Nordisk Inc.
How long has Dr. Kumarasamy Sivakumar been practicing?
Dr. Sivakumar graduated from medical school in 1979, 47 years ago.
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