Dr. Chhaya P. Hasyagar, MD

  • Sacramento, CA
  • Internist
NPI1134173818PAC ID0143368464
Medicare patients, 2024
24
Part D claims, 2024
853
Hospital affiliations
1
Industry payments
$23
Medical group
1
Practice address
2025 Morse Avenue, Sacramento, CA 95825
Practice phone
Call (916) 973-5000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Sacramento Medical Center

Hospital · Sacramento, California

See all 3 affiliations

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Dr. Chhaya P. Hasyagar is an internist in Sacramento, California

Dr. Hasyagar practices at Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.

Dr. Hasyagar's NPI, 1134173818, was assigned on May 19, 2006. Dr. Hasyagar graduated from Seth G.S. Medical College in 1999. Dr. Hasyagar's California license number on file is A93237.

NPI and contact details
Medicare PAC ID
0143368464
NPI enumeration date
May 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(916) 973-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Chhaya P. Hasyagar practices at Sacramento Medical Center in Sacramento, California

Dr. Hasyagar's primary practice is Sacramento Medical Center, at 2025 Morse Avenue, Sacramento, CA 95825 in Sacramento County. The practice phone is (916) 973-5000.

Source: Dmand AI Affiliation Data

Dr. Chhaya P. Hasyagar is affiliated with 2 sites of care and 1 medical group

Dr. Hasyagar's primary practice is Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Hasyagar to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Hasyagar

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Chhaya P. Hasyagar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hasyagar practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sacramento Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Chhaya P. Hasyagar is one of 16,751 internists in California

Internal medicine is Dr. Hasyagar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hasyagar is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Hasyagar has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A93237 · 2005 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists chronic inflammatory bowel disease (IBD) and upper GI endoscopy among the conditions Dr. Hasyagar treats.

Internists near Dr. Hasyagar

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. Chhaya P. Hasyagar treated 24 Medicare patients in 2024, average age 69

CMS counts 24 Medicare patients who saw Dr. Hasyagar in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high blood pressure, and 58% have high cholesterol. Their average risk score is 2.10, 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. Hasyagar's median patient age at 59, with 63% women.

Medicare patients, 202424
Average age69
Average risk score2.10

Dr. Hasyagar's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Hasyagar's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol58%
  3. Arthritis46%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hasyagar'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

  • Women63%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Chhaya P. Hasyagar wrote 853 Medicare Part D claims in 2024

In 2024, Dr. Hasyagar wrote 853 Medicare Part D claims for 413 patients. 87% of them were for generic drugs. CMS names the drug for 680 of them, across 16 drugs with 11 or more claims each, at $134,748 in total drug cost. In 2023, CMS named 519 claims across 15 drugs.

Part D claims, 2024853
Drugs named by CMS16
Total drug cost$134,748
Part D patients413

Dr. Hasyagar's Part D claims by kind of drug, 2024

  • Generic738 claims87%
  • Brand-name115 claims13%

Dr. Hasyagar'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. Hasyagar's Part D claims, 2024

  • Antibiotics4%34 of 853 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: 5192024: 68031%

Drugs named by CMS: 16 in 2024, 15 in 2023.

See all prescribing by Dr. Hasyagar

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. Chhaya P. Hasyagar takes part in Medicare

Dr. Hasyagar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Chhaya P. Hasyagar received $23 in industry payments in 2022

CMS Open Payments shows 1 general payment to Dr. Hasyagar from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $23.

Companies that paid Dr. Hasyagar the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Hasyagar

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Chhaya P. Hasyagar has 1 award and honors on record

Dmand AI lists 1 award for Dr. Hasyagar, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Hasyagar

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Chhaya P. Hasyagar graduated from Seth G.S. Medical College

Dr. Hasyagar graduated from Seth G.S. Medical College in 1999.

  1. Medical schoolSeth G.S. Medical College
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Chhaya P. Hasyagar accepts plans from 2 insurance carriers

Dr. Hasyagar is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Hasyagar accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Chhaya P. Hasyagar'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Chhaya P. Hasyagar

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. Chhaya P. Hasyagar's NPI number?

Dr. Chhaya P. Hasyagar's NPI number is 1134173818. It was assigned on May 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Chhaya P. Hasyagar?

Dr. Chhaya P. Hasyagar is an internist in Sacramento, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Chhaya P. Hasyagar practice?

Dr. Hasyagar practices at 2025 Morse Avenue, Sacramento, CA 95825. Dr. Hasyagar's primary practice is Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. Dmand AI also links Dr. Hasyagar to 1 group practice or clinic.

What is Dr. Chhaya P. Hasyagar's office phone number?

The practice phone on file for Dr. Hasyagar is (916) 973-5000.

What is Dr. Chhaya P. Hasyagar's medical license number?

Dr. Hasyagar's California license number on file is A93237.

Which hospitals is Dr. Chhaya P. Hasyagar affiliated with?

Dr. Hasyagar practices at Sacramento Medical Center in Sacramento, California.

What medical group is Dr. Chhaya P. Hasyagar part of?

Dr. Hasyagar is linked to The Permanente Medical Group, Inc.

Does Dr. Chhaya P. Hasyagar accept Medicare?

Yes. CMS lists Dr. Hasyagar as accepting Medicare assignment.

How many Medicare patients does Dr. Chhaya P. Hasyagar see?

CMS counts 24 Medicare patients who saw Dr. Hasyagar in 2024, with an average age of 69.

Is Dr. Chhaya P. Hasyagar board certified?

Yes. Dr. Hasyagar is board certified in gastroenterology by the American Board of Internal Medicine.

Show 5 more questionsShow fewer questions

Where did Dr. Chhaya P. Hasyagar go to medical school?

Dr. Hasyagar graduated from Seth G.S. Medical College in 1999.

What drugs does Dr. Chhaya P. Hasyagar prescribe most?

In 2024 Medicare Part D data, Dr. Hasyagar's most prescribed drugs by claims were Gavilyte-C, Pantoprazole Sodium and Famotidine.

Has Dr. Chhaya P. Hasyagar received payments from drug or device companies?

CMS Open Payments shows $23 in general payments to Dr. Hasyagar from 1 company from 2022 to 2022. The largest total came from Boston Scientific Corporation.

How long has Dr. Chhaya P. Hasyagar been practicing?

Dr. Hasyagar graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Chhaya P. Hasyagar accept?

Dr. Hasyagar is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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