Dr. Nirupa Vignarajan, MD
- Medicare services, 2024
- 1,881
- Medicare patients, 2024
- 299
- Part D claims, 2024
- 11,819
- MIPS score, 2024
- 98
- Hospital affiliations
- 2
- Practice address
- 1030 S Glendale Ave, Glendale, CA 91205-5612
- Practice phone
- Call (818) 553-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nirupa Vignarajan M.D. Inc.
Physician office · Glendale, California
Find Dr. Vignarajan'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. Nirupa Vignarajan is an internist in Glendale, California
Dr. Vignarajan practices at Nirupa Vignarajan M.D. Inc. in Glendale, California.
Dr. Vignarajan's NPI, 1073514261, was assigned on August 10, 2005. Dr. Vignarajan graduated from University of Jaffna - Medical College in 1989. Dr. Vignarajan holds California license A54107.
- NPI
- 1073514261NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456388727
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 553-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nirupa Vignarajan practices at Nirupa Vignarajan M.D. Inc. in Glendale, California
Dr. Vignarajan's primary practice is Nirupa Vignarajan M.D. Inc., at 1030 S Glendale Ave, Glendale, CA 91205-5612. The practice phone is (818) 553-6666.
- Nirupa Vignarajan M.D. Inc.1030 S Glendale Ave, Glendale, CA 91205-5612Phone(818) 553-6666
Source: Dmand AI Affiliation Data
Dr. Nirupa Vignarajan is affiliated with 4 sites of care
Dr. Vignarajan's primary practice is Nirupa Vignarajan M.D. Inc. in Glendale, California. Dr. Vignarajan is also affiliated with Adventist Health Glendale. Dmand AI also links Dr. Vignarajan to 1 more hospital and 1 home health agency, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nirupa Vignarajan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vignarajan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nirupa Vignarajan M.D. Inc. | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nirupa Vignarajan is one of 16,751 internists in California
Internal medicine is Dr. Vignarajan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vignarajan is board certified in internal medicine by the American Board of Internal Medicine. Dr. Vignarajan is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, adjustment disease, alcohol use disorders, alzheimer's disease, aneurysm and anxiety among the conditions Dr. Vignarajan treats.
Internists near Dr. Vignarajan
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. Nirupa Vignarajan billed Medicare for 1,881 services in 2024
CMS data shows 1,881 Medicare services from Dr. Vignarajan across 12 procedure codes in 2024, for 299 Medicare patients. Medicare paid $123,540 for them. Every service was in an office.
Dr. Vignarajan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1002024: 1,0197%
- Other services
- 2023: 7852024: 7593%
- Tests and treatments
- 2023: 1152024: 10310%
Dr. Vignarajan compared with the California median for internists, 2024
- Dr. Vignarajan
- California median
- Medicare services
- 1,881vs 3615.2 times
- Medicare patients
- 299vs 15198% above
- Part D claims
- 11,402vs 42127.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Vignarajan'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. Vignarajan and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nirupa Vignarajan treated 299 Medicare patients in 2024, average age 77
CMS counts 299 Medicare patients who saw Dr. Vignarajan in 2024. The largest group is 75 to 84, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 81% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Vignarajan's median patient age at 59, with 68% women.
Dr. Vignarajan's Medicare patients by age, 2024
Dr. Vignarajan's Medicare patients by sex, 2024
- Women21171%
- Men8829%
Chronic conditions among Dr. Vignarajan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Diabetes47%
- Ischemic heart disease45%
- Osteoporosis39%
- Mood disorders35%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vignarajan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women68%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nirupa Vignarajan wrote 11,819 Medicare Part D claims in 2024
In 2024, Dr. Vignarajan wrote 11,819 Medicare Part D claims for 395 patients. 85% of them were for generic drugs. CMS names the drug for 11,402 of them, across 135 drugs with 11 or more claims each, at $931,367 in total drug cost. In 2023, CMS named 11,494 claims across 135 drugs.
Dr. Vignarajan's Part D claims by kind of drug, 2024
- Generic10,019 claims85%
- Brand-name1,633 claims14%
- Other167 claims1%
Dr. Vignarajan'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. Vignarajan's Part D claims, 2024
- Opioids0%52 of 11,819 claims
- Antibiotics1%164 of 11,819 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: 11,4942024: 11,4021%
Drugs named by CMS: 135 in 2024, 135 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
Dr. Nirupa Vignarajan scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Vignarajan for performance year 2024, reported individually. Dr. Vignarajan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vignarajan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Vignarajan's MIPS scores, performance year 2024
- 98of 100Final score
- 85.4of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nirupa Vignarajan received $887 in industry payments from 2016 to 2025
CMS Open Payments shows 41 general payments to Dr. Vignarajan from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Amgen Inc. paid the most, $478.
General payments to Dr. Vignarajan by program year, 2016 to 2025
General payments to Dr. Vignarajan by kind, 2016 to 2025
- Food and beverage$84695%
- Education$415%
Companies that paid Dr. Vignarajan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nirupa Vignarajan graduated from University of Jaffna - Medical College
Dr. Vignarajan graduated from University of Jaffna - Medical College in 1989.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Nirupa Vignarajan accepts plans from 17 insurance carriers
Dr. Vignarajan is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare 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
- LA Care
- Regence Health Plans
- +9 more carriersWith a free account
Plan types Dr. Vignarajan accepts, by number of carriers
- Medicare9
- PPO9
- HMO8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Nirupa Vignarajan'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Nirupa Vignarajan
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. Nirupa Vignarajan's NPI number?
Dr. Nirupa Vignarajan's NPI number is 1073514261. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Nirupa Vignarajan?
Dr. Nirupa Vignarajan is an internist in Glendale, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nirupa Vignarajan practice?
Dr. Vignarajan practices at 1030 S Glendale Ave, Glendale, CA 91205-5612. Dr. Vignarajan's primary practice is Nirupa Vignarajan M.D. Inc. in Glendale, California. Dmand AI also links Dr. Vignarajan to 1 hospital and 1 home health agency.
What is Dr. Nirupa Vignarajan's office phone number?
The practice phone on file for Dr. Vignarajan is (818) 553-6666.
What is Dr. Nirupa Vignarajan's medical license number?
Dr. Vignarajan holds California license A54107.
Which hospitals is Dr. Nirupa Vignarajan affiliated with?
Dr. Vignarajan is affiliated with Adventist Health Glendale. Dmand AI links Dr. Vignarajan to 1 more hospital.
Does Dr. Nirupa Vignarajan accept Medicare?
Yes. CMS data shows Dr. Vignarajan billed Medicare for 1,881 services in 2024, and Dr. Vignarajan accepts Medicare assignment.
Does Dr. Nirupa Vignarajan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Vignarajan as offering telehealth services.
What is Dr. Nirupa Vignarajan's MIPS score?
Dr. Vignarajan's MIPS final score for performance year 2024 is 98 out of 100, reported individually.
How many Medicare patients does Dr. Nirupa Vignarajan see?
CMS counts 299 Medicare patients who saw Dr. Vignarajan in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Nirupa Vignarajan board certified?
Yes. Dr. Vignarajan is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Nirupa Vignarajan bill to Medicare?
In 2024, Dr. Vignarajan's most billed Medicare services were office visit, established patient (99213), medicare service (G0442) and medicare service (G0439).
Where did Dr. Nirupa Vignarajan go to medical school?
Dr. Vignarajan graduated from University of Jaffna - Medical College in 1989.
What drugs does Dr. Nirupa Vignarajan prescribe most?
In 2024 Medicare Part D data, Dr. Vignarajan's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. Nirupa Vignarajan received payments from drug or device companies?
CMS Open Payments shows $887 in general payments to Dr. Vignarajan from 12 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Nirupa Vignarajan been practicing?
Dr. Vignarajan graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Nirupa Vignarajan accept?
Dr. Vignarajan is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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