Dr. Roopa Dillikar, MD
- Medicare services, 2024
- 1,242
- Medicare patients, 2024
- 478
- Part D claims, 2024
- 4,960
- MIPS score, 2024
- 88
- Hospital affiliations
- 1
- Practice address
- 360 San Miguel Dr, Newport Beach, CA 92660
- Practice phone
- Call (949) 759-0995
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
P. James Voloshin M.D., Inc
Newport Beach, California
Find Dr. Dillikar'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. Roopa Dillikar is an internist in Newport Beach, California
Dr. Dillikar practices at P. James Voloshin M.D., Inc in Newport Beach, California.
Dr. Dillikar's NPI, 1932447893, was assigned on January 27, 2013. Dr. Dillikar holds California license A133737.
- NPI
- 1932447893NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385952407
- NPI enumeration date
- January 27, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (949) 759-0995
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roopa Dillikar practices at P. James Voloshin M.D., Inc in Newport Beach, California
Dr. Dillikar's primary practice is P. James Voloshin M.D., Inc, at 360 San Miguel Dr, Newport Beach, CA 92660 in Orange County. The practice phone is (949) 759-0995.
- P. James Voloshin M.D., Inc360 San Miguel Dr, Newport Beach, CA 92660 · Orange CountyPhone(949) 759-0995
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roopa Dillikar is affiliated with 4 sites of care and 1 medical group
Dr. Dillikar's primary practice is P. James Voloshin M.D., Inc in Newport Beach, California. Dr. Dillikar is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Hoag Clinic. Dmand AI also links Dr. Dillikar to 1 more group practice or clinic and 1 home health agency, each 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. Roopa Dillikar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dillikar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| P. James Voloshin 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. Roopa Dillikar is one of 16,751 internists in California
Internal medicine is Dr. Dillikar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dillikar is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Dillikar
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. Roopa Dillikar billed Medicare for 1,242 services in 2024
CMS data shows 1,242 Medicare services from Dr. Dillikar across 13 procedure codes in 2024, for 478 Medicare patients. Medicare paid $122,645 for them. Every service was in an office.
Dr. Dillikar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6022024: 94557%
- Other services
- 2023: 372024: 208462%
- Tests and treatments
- 2023: 282024: 89218%
- Surgery
- 2023: 242024: 0100%
Dr. Dillikar compared with the California median for internists, 2024
- Dr. Dillikar
- California median
- Medicare services
- 1,242vs 3613.4 times
- Medicare patients
- 478vs 1513.2 times
- Part D claims
- 4,252vs 42110.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Dillikar'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roopa Dillikar treated 478 Medicare patients in 2024, average age 77
CMS counts 478 Medicare patients who saw Dr. Dillikar in 2024. The largest group is 65 to 74, with 193 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dillikar's median patient age at 65, with 70% women.
Dr. Dillikar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dillikar's Medicare patients by sex, 2024
- Women33771%
- Men14129%
Chronic conditions among Dr. Dillikar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis48%
- Osteoporosis26%
- Ischemic heart disease25%
- Cancer20%
- Anxiety17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dillikar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women70%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roopa Dillikar wrote 4,960 Medicare Part D claims in 2024
In 2024, Dr. Dillikar wrote 4,960 Medicare Part D claims for 617 patients. 88% of them were for generic drugs. CMS names the drug for 4,252 of them, across 97 drugs with 11 or more claims each, at $276,705 in total drug cost. In 2023, CMS named 1,560 claims across 52 drugs.
Dr. Dillikar's Part D claims by kind of drug, 2024
- Generic4,378 claims88%
- Brand-name563 claims11%
- Other19 claims0%
Dr. Dillikar'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. Dillikar's Part D claims, 2024
- Opioids1%54 of 4,960 claims
- Antibiotics2%90 of 4,960 claims
- Antipsychotics, patients 65 and over0%17 of 4,960 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: 1,5602024: 4,252173%
Drugs named by CMS: 97 in 2024, 52 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. Roopa Dillikar scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Dillikar for performance year 2024, reported as part of a group. Dr. Dillikar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dillikar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Dillikar's MIPS scores, performance year 2024
- 88of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
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. Roopa Dillikar received $1,189 in industry payments from 2016 to 2024
CMS Open Payments shows 73 general payments to Dr. Dillikar from 21 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $237.
General payments to Dr. Dillikar by program year, 2016 to 2024
General payments to Dr. Dillikar by kind, 2016 to 2024
- Food and beverage$1,17299%
- Education$171%
Companies that paid Dr. Dillikar the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Roopa Dillikar's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Roopa Dillikar
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. Roopa Dillikar's NPI number?
Dr. Roopa Dillikar's NPI number is 1932447893. It was assigned on January 27, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Roopa Dillikar?
Dr. Roopa Dillikar is an internist in Newport Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Roopa Dillikar practice?
Dr. Dillikar practices at 360 San Miguel Dr, Newport Beach, CA 92660. Dr. Dillikar's primary practice is P. James Voloshin M.D., Inc in Newport Beach, California. Dmand AI also links Dr. Dillikar to 1 group practice or clinic and 1 home health agency.
What is Dr. Roopa Dillikar's office phone number?
The practice phone on file for Dr. Dillikar is (949) 759-0995.
What is Dr. Roopa Dillikar's medical license number?
Dr. Dillikar holds California license A133737.
Which hospitals is Dr. Roopa Dillikar affiliated with?
Dr. Dillikar is affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Roopa Dillikar part of?
Dr. Dillikar is linked to Hoag Clinic.
Does Dr. Roopa Dillikar accept Medicare?
Yes. CMS data shows Dr. Dillikar billed Medicare for 1,242 services in 2024, and Dr. Dillikar accepts Medicare assignment.
Does Dr. Roopa Dillikar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dillikar as offering telehealth services.
What is Dr. Roopa Dillikar's MIPS score?
Dr. Dillikar's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Roopa Dillikar see?
CMS counts 478 Medicare patients who saw Dr. Dillikar in 2024, with an average age of 77.
What services does Dr. Roopa Dillikar bill to Medicare?
In 2024, Dr. Dillikar's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G0438).
What drugs does Dr. Roopa Dillikar prescribe most?
In 2024 Medicare Part D data, Dr. Dillikar's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Roopa Dillikar received payments from drug or device companies?
CMS Open Payments shows $1,189 in general payments to Dr. Dillikar from 21 companies from 2016 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Roopa Dillikar been practicing?
Dr. Dillikar graduated from medical school in 2008, 18 years ago.
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