Dr. Sunil Ayyagari, MD
- Medicare services, 2024
- 638
- Medicare patients, 2024
- 209
- Part D claims, 2024
- 237
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 2425 Samaritan Drive, San Jose, CA 95124
- Practice phone
- Call (408) 559-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ayyagari'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. Sunil Ayyagari is an internist in San Jose, California
Dr. Ayyagari practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Dr. Ayyagari's NPI, 1841211851, was assigned on July 22, 2006. Dr. Ayyagari graduated from University of Illinois College of Medicine - Chicago in 2002. Dr. Ayyagari holds Florida license ME 97865.
- NPI
- 1841211851NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325067895
- NPI enumeration date
- July 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 559-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sunil Ayyagari practices at Good Samaritan Hospital in San Jose, California
Dr. Ayyagari's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.
- Good Samaritan Hospital2425 Samaritan Drive, San Jose, CA 95124 · Santa Clara CountyPhone(408) 559-2011
Source: Dmand AI Affiliation Data
Dr. Sunil Ayyagari is affiliated with 7 sites of care and 5 medical groups
Dr. Ayyagari's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dr. Ayyagari is also affiliated with Asante Rogue Regional Medical Center. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Ayyagari to 3 more hospitals, 4 medical groups and 2 group practices and clinics, 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. Sunil Ayyagari's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayyagari practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sunil Ayyagari is one of 16,751 internists in California
Internal medicine is Dr. Ayyagari's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ayyagari is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ayyagari's licenses on file in 8 states: Florida, Texas, California, Iowa, Indiana, Alabama, Illinois and Ohio.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- Texas license
- California license
- Iowa license
- Indiana license
- Alabama license
- Illinois license
- Ohio license
Clinical focus
Dmand AI lists anemia, circulation problems, congestive heart failure, gastrointestinal bleeding, heart attack, kidney stones, non-surgical back problems and pneumonia and respiratory infection among the conditions Dr. Ayyagari treats.
Internists near Dr. Ayyagari
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. Sunil Ayyagari billed Medicare for 638 services in 2024
CMS data shows 638 Medicare services from Dr. Ayyagari across 6 procedure codes in 2024, for 209 Medicare patients. Medicare paid $50,005 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ayyagari's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6122024: 6384%
Dr. Ayyagari compared with the California median for internists, 2024
- Dr. Ayyagari
- California median
- Medicare services
- 638vs 36177% above
- Medicare patients
- 209vs 15138% above
- Part D claims
- 15vs 42196% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ayyagari'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.
Need commercial claims for Dr. Ayyagari?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ayyagari and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sunil Ayyagari treated 209 Medicare patients in 2024, average age 77
CMS counts 209 Medicare patients who saw Dr. Ayyagari in 2024. The largest group is 75 to 84, with 80 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ayyagari's median patient age at 65, with 55% women.
Dr. Ayyagari's Medicare patients by age, 2024
Dr. Ayyagari's Medicare patients by sex, 2024
- Women11656%
- Men9344%
Chronic conditions among Dr. Ayyagari's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis52%
- Chronic kidney disease48%
- Heart failure44%
- Atrial fibrillation43%
- Diabetes41%
- Anxiety38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ayyagari'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
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sunil Ayyagari wrote 237 Medicare Part D claims in 2024
In 2024, Dr. Ayyagari wrote 237 Medicare Part D claims for 77 patients. 86% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $89 in total drug cost. In 2023, CMS named 88 claims across 7 drugs.
Dr. Ayyagari's Part D claims by kind of drug, 2024
- Generic204 claims86%
- Brand-name and other33 claims14%
Dr. Ayyagari'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. Ayyagari's Part D claims, 2024
- Opioids8%19 of 237 claims
- Antibiotics12%28 of 237 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: 882024: 1583%
Drugs named by CMS: 1 in 2024, 7 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
How Dr. Sunil Ayyagari takes part in Medicare
Dr. Ayyagari accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sunil Ayyagari has 1 publication on record
Dmand AI links 1 paper to Dr. Ayyagari in 2007. Dr. Ayyagari's most frequent co-authors are Thomas Daniel Callahan, MD and Tingfei Hu, MD.
Dr. Ayyagari's most frequent co-authors
Recent publications by Dr. Ayyagari
See who Dr. Ayyagari researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ayyagari works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sunil Ayyagari received $309 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Ayyagari from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $125.
General payments to Dr. Ayyagari by program year, 2016 to 2018
Companies that paid Dr. Ayyagari the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sunil Ayyagari graduated from University of Illinois College of Medicine - Chicago
Dr. Ayyagari graduated from University of Illinois College of Medicine - Chicago in 2002.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Sunil Ayyagari accepts plans from 16 insurance carriers
Dr. Ayyagari is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +8 more carriersWith a free account
Plan types Dr. Ayyagari accepts, by number of carriers
- PPO11
- HMO9
- Medicare8
- EPO5
- POS5
Source: Dmand AI Insurance Network Data
Sources for Dr. Sunil Ayyagari'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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sunil Ayyagari
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. Sunil Ayyagari's NPI number?
Dr. Sunil Ayyagari's NPI number is 1841211851. It was assigned on July 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sunil Ayyagari?
Dr. Sunil Ayyagari is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sunil Ayyagari practice?
Dr. Ayyagari practices at 2425 Samaritan Drive, San Jose, CA 95124. Dr. Ayyagari's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dmand AI also links Dr. Ayyagari to 3 hospitals, 4 medical groups and 2 group practices and clinics.
What is Dr. Sunil Ayyagari's office phone number?
The practice phone on file for Dr. Ayyagari is (408) 559-2011.
What is Dr. Sunil Ayyagari's medical license number?
Dr. Ayyagari holds Florida license ME 97865, one of the licenses on file in 8 states.
Which states has Dr. Sunil Ayyagari been licensed in?
Dmand AI has state licenses on file for Dr. Ayyagari in Florida (2007 to 2027), Texas (2023 to 2027), California (2022 to 2026), Iowa (2022 to 2025), Indiana (2022 to 2023), Alabama (2021 to 2022), Illinois (2005 to 2008) and Ohio (2002 to 2005).
Which hospitals is Dr. Sunil Ayyagari affiliated with?
Dr. Ayyagari practices at Good Samaritan Hospital in San Jose, California. Dr. Ayyagari is also affiliated with Asante Rogue Regional Medical Center. Dmand AI links Dr. Ayyagari to 3 more hospitals.
What medical group is Dr. Sunil Ayyagari part of?
Dr. Ayyagari is linked to SGMF Radiology. Dmand AI links Dr. Ayyagari to 4 more medical groups.
Does Dr. Sunil Ayyagari accept Medicare?
Yes. CMS data shows Dr. Ayyagari billed Medicare for 638 services in 2024, and Dr. Ayyagari accepts Medicare assignment.
How many Medicare patients does Dr. Sunil Ayyagari see?
CMS counts 209 Medicare patients who saw Dr. Ayyagari in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. Sunil Ayyagari board certified?
Yes. Dr. Ayyagari is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Sunil Ayyagari bill to Medicare?
In 2024, Dr. Ayyagari's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Sunil Ayyagari go to medical school?
Dr. Ayyagari graduated from University of Illinois College of Medicine - Chicago in 2002.
What drugs does Dr. Sunil Ayyagari prescribe most?
In 2024 Medicare Part D data, Dr. Ayyagari's most prescribed drugs by claims were Pantoprazole Sodium.
Has Dr. Sunil Ayyagari received payments from drug or device companies?
CMS Open Payments shows $309 in general payments to Dr. Ayyagari from 4 companies from 2016 to 2018. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Sunil Ayyagari been practicing?
Dr. Ayyagari graduated from medical school in 2002, 24 years ago.
Does Dr. Sunil Ayyagari do research?
Dmand AI links 1 publication to Dr. Ayyagari.
Who does Dr. Sunil Ayyagari publish with?
Dr. Ayyagari's most frequent co-authors are Thomas Daniel Callahan, MD (1 shared paper) and Tingfei Hu, MD (1 shared paper).
What insurance does Dr. Sunil Ayyagari accept?
Dr. Ayyagari is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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