Dr. Alamelu Subbu Nagappan, MD
- Medicare services, 2024
- 87
- Medicare patients, 2024
- 121
- Industry payments
- $641
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 7160 Brockton Avenue--1st Floor, Riverside, CA 92506
- Practice phone
- Call (951) 782-3801
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverside Medical Clinic Surgery Center
Surgery Center - Medicare-Certified · Riverside, California
Find Dr. Nagappan's professional email, personal email and mobile number
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Dr. Alamelu Subbu Nagappan is an anesthesiologist in Riverside, California
Dr. Nagappan practices at Riverside Medical Clinic Surgery Center in Riverside, California.
Dr. Nagappan's NPI, 1619950524, was assigned on November 23, 2005. Dr. Nagappan graduated from Madurai Medical College in 1982. Dr. Nagappan holds California license A49548.
- NPI
- 1619950524NPI Registry (opens in a new tab)
- NPI enumeration date
- November 23, 2005
- NPI status
- Active
- Practice phone
- (951) 782-3801
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alamelu Subbu Nagappan practices at Riverside Medical Clinic Surgery Center in Riverside, California
Dr. Nagappan's primary practice is Riverside Medical Clinic Surgery Center, at 7160 Brockton Avenue--1st Floor, Riverside, CA 92506. The practice phone is (951) 782-3801.
- Riverside Medical Clinic Surgery Center7160 Brockton Avenue--1st Floor, Riverside, CA 92506Phone(951) 782-3801
Source: Dmand AI Affiliation Data
Dr. Alamelu Subbu Nagappan is affiliated with 2 sites of care and 2 medical groups
Dr. Nagappan's primary practice is Riverside Medical Clinic Surgery Center in Riverside, California. The medical group on file is Riverside Medical Clinic. Dmand AI also links Dr. Nagappan to 1 more group practice or clinic 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. Alamelu Subbu Nagappan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagappan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Clinic Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alamelu Subbu Nagappan is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Nagappan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nagappan is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Nagappan's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Illinois license
Anesthesiologists near Dr. Nagappan
Counts of anesthesiologists 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. Alamelu Subbu Nagappan billed Medicare for 87 services in 2024
CMS data shows 87 Medicare services from Dr. Nagappan across 3 procedure codes in 2024, for 121 Medicare patients. Medicare paid $9,236 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nagappan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 522024: 8767%
Dr. Nagappan compared with the California median for anesthesiologists, 2024
- Dr. Nagappan
- California median
- Medicare services
- 87vs 7221% above
- Medicare patients
- 121vs 14315% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Nagappan'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. Nagappan and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alamelu Subbu Nagappan treated 121 Medicare patients in 2024, average age 73
CMS counts 121 Medicare patients who saw Dr. Nagappan in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nagappan's median patient age at 72, with 55% women.
Dr. Nagappan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nagappan's Medicare patients by sex, 2024
- Women6050%
- Men6150%
Chronic conditions among Dr. Nagappan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis44%
- Chronic kidney disease35%
- Diabetes33%
- Cancer20%
- Mood disorders19%
- Alcohol and drug use disorders16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nagappan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Alamelu Subbu Nagappan received $641 in industry payments from 2019 to 2024
CMS Open Payments shows 9 general payments to Dr. Nagappan from 7 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Musculoskeletal Transplant Foundation Inc. paid the most, $484.
General payments to Dr. Nagappan by program year, 2019 to 2024
Companies that paid Dr. Nagappan the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alamelu Subbu Nagappan graduated from Madurai Medical College
Dr. Nagappan graduated from Madurai Medical College in 1982.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Alamelu Subbu Nagappan accepts plans from 5 insurance carriers
Dr. Nagappan is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Nagappan accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alamelu Subbu Nagappan'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) |
| Industry payments | Open Payments (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. Alamelu Subbu Nagappan
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What is Dr. Alamelu Subbu Nagappan's NPI number?
Dr. Alamelu Subbu Nagappan's NPI number is 1619950524. It was assigned on November 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alamelu Subbu Nagappan?
Dr. Alamelu Subbu Nagappan is an anesthesiologist in Riverside, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Alamelu Subbu Nagappan practice?
Dr. Nagappan practices at 7160 Brockton Avenue--1st Floor, Riverside, CA 92506. Dr. Nagappan's primary practice is Riverside Medical Clinic Surgery Center in Riverside, California. Dmand AI also links Dr. Nagappan to 1 group practice or clinic and 1 medical group.
What is Dr. Alamelu Subbu Nagappan's office phone number?
The practice phone on file for Dr. Nagappan is (951) 782-3801.
What is Dr. Alamelu Subbu Nagappan's medical license number?
Dr. Nagappan holds California license A49548, one of the licenses on file in 2 states.
Which states has Dr. Alamelu Subbu Nagappan been licensed in?
Dmand AI has state licenses on file for Dr. Nagappan in California (1991 to 2027) and Illinois (1987 to 1990).
What medical group is Dr. Alamelu Subbu Nagappan part of?
Dr. Nagappan is linked to Riverside Medical Clinic. Dmand AI links Dr. Nagappan to 1 more medical group.
Does Dr. Alamelu Subbu Nagappan accept Medicare?
Yes. CMS data shows Dr. Nagappan billed Medicare for 87 services in 2024.
How many Medicare patients does Dr. Alamelu Subbu Nagappan see?
CMS counts 121 Medicare patients who saw Dr. Nagappan in 2024, with an average age of 73.
Is Dr. Alamelu Subbu Nagappan board certified?
Yes. Dr. Nagappan is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Alamelu Subbu Nagappan bill to Medicare?
In 2024, Dr. Nagappan's most billed Medicare services were anesthesia (00142), anesthesia (00140) and anesthesia (00400).
Where did Dr. Alamelu Subbu Nagappan go to medical school?
Dr. Nagappan graduated from Madurai Medical College in 1982.
Has Dr. Alamelu Subbu Nagappan received payments from drug or device companies?
CMS Open Payments shows $641 in general payments to Dr. Nagappan from 7 companies from 2019 to 2024. The largest total came from Musculoskeletal Transplant Foundation Inc.
How long has Dr. Alamelu Subbu Nagappan been practicing?
Dr. Nagappan graduated from medical school in 1982, 44 years ago.
What insurance does Dr. Alamelu Subbu Nagappan accept?
Dr. Nagappan is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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