Dr. Sunil Ayyagari, MD

  • San Jose, CA
  • Internist
NPI1841211851PAC ID8325067895
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Samaritan Hospital

Hospital · San Jose, California

See all 12 affiliations

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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 and contact details
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
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Mobile number
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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.

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.

See all 12 affiliations for Dr. Ayyagari

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.

EHR by site
SiteEHR vendor and product
Good Samaritan HospitalAvailable with a free account
+6 more sites and 4 medical groupsAvailable 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, FloridaPrimaryLicense ME 97865 · 2007 to 2027 · taxonomy 207R00000X
  • Texas license2023 to 2027
  • California license2022 to 2026
  • Iowa license2022 to 2025
  • Indiana license2022 to 2023
  • Alabama license2021 to 2022
  • Illinois license2005 to 2008
  • Ohio license2002 to 2005

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.

Medicare services, 2024638
Medicare patients209
Paid by Medicare$50,005
Procedure codes6

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.

See all procedures by Dr. Ayyagari

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ayyagari and other internists in California.

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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.

Medicare patients, 2024209
Average age77
Average risk score2.00
Also on Medicaid44%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis52%
  4. Chronic kidney disease48%
  5. Heart failure44%
  6. Atrial fibrillation43%
  7. Diabetes41%
  8. 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.

Part D claims, 2024237
Drugs named by CMS1
Total drug cost$89
Part D patients77

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.

See all prescribing by Dr. Ayyagari

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.

Papers1

Dr. Ayyagari's most frequent co-authors

Recent publications by Dr. Ayyagari

See all 1 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Ayyagari

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.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in internal medicineAmerican Board of 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

  1. PPO11
  2. HMO9
  3. Medicare8
  4. EPO5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. Sunil Ayyagari's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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