Dr. Stephen E. Chan, MD

  • Sacramento, CA
  • Internist
NPI1982109138PAC ID1052749389
Medicare services, 2024
1,155
Medicare patients, 2024
394
Part D claims, 2024
3,270
Publications
1
Hospital affiliations
6
Practice address
2825 Capitol Avenue, Sacramento, CA 95816
Practice phone
Call (916) 454-2222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Medical Center, Sacramento

Hospital · Sacramento, California

See all 9 affiliations

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Dr. Stephen E. Chan is an internist in Sacramento, California

Dr. Chan practices at Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health.

Dr. Chan's NPI, 1982109138, was assigned on March 29, 2018. Dr. Chan graduated from UCSF School of Medicine in 2018. Dr. Chan's California license number on file is 1261389.

NPI and contact details
Medicare PAC ID
1052749389
NPI enumeration date
March 29, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(916) 454-2222
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. Stephen E. Chan practices at Sutter Medical Center, Sacramento in Sacramento, California

Dr. Chan's primary practice is Sutter Medical Center, Sacramento, at 2825 Capitol Avenue, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 454-2222.

Source: Dmand AI Affiliation Data

Dr. Stephen E. Chan is affiliated with 8 sites of care and 1 medical group

Dr. Chan's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dr. Chan is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chan to 4 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Chan

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

Dmand AI tracks the EHR system at Dr. Stephen E. Chan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Medical Center, SacramentoAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephen E. Chan is one of 16,751 internists in California

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

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 1261389 · 2019 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute kidney failure, acute mini-stroke (TIA), acute skin infection, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Chan treats.

Internists near Dr. Chan

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. Stephen E. Chan billed Medicare for 1,155 services in 2024

CMS data shows 1,155 Medicare services from Dr. Chan across 12 procedure codes in 2024, for 394 Medicare patients. Medicare paid $113,153 for them. Every service was in an office.

Medicare services, 20241,155
Medicare patients394
Paid by Medicare$113,153
Procedure codes12

Dr. Chan's Medicare services by type, 2024

  1. Office and hospital visits616
  2. Other services318
  3. Tests and treatments209
  4. Lab and pathology12

Dr. Chan compared with the California median for internists, 2024

  • Dr. Chan
  • California median
Medicare services
1,155vs 3613.2 times
Medicare patients
394vs 1512.6 times
Part D claims
2,665vs 4216.3 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Chan'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. Chan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chan 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. Stephen E. Chan treated 394 Medicare patients in 2024, average age 75

CMS counts 394 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 155 patients. 73% of them have high cholesterol, and 63% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 61, with 53% women.

Medicare patients, 2024394
Average age75
Average risk score1.21
Also on Medicaid30%

Dr. Chan's Medicare patients by age, 2024

Dr. Chan's Medicare patients by sex, 2024

  • Women23760%
  • Men15740%

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

  1. High cholesterol73%
  2. High blood pressure63%
  3. Arthritis44%
  4. Diabetes27%
  5. Osteoporosis24%
  6. Chronic kidney disease23%
  7. Ischemic heart disease20%
  8. Mood disorders20%

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

Dr. Chan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women53%
  • Men40%

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

Dr. Stephen E. Chan wrote 3,270 Medicare Part D claims in 2024

In 2024, Dr. Chan wrote 3,270 Medicare Part D claims for 423 patients. 86% of them were for generic drugs. CMS names the drug for 2,665 of them, across 66 drugs with 11 or more claims each, at $199,997 in total drug cost.

Part D claims, 20243,270
Drugs named by CMS66
Total drug cost$199,997
Part D patients423

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

  • Generic2,827 claims86%
  • Brand-name431 claims13%
  • Other12 claims0%

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

  • Opioids2%50 of 3,270 claims
  • Antibiotics2%59 of 3,270 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Chan

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. Stephen E. Chan offers telehealth to Medicare patients

Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Stephen E. Chan has 1 publication on record

Dmand AI links 1 paper to Dr. Chan in 2021. Dr. Chan's most frequent co-author is Paul B. Aronowitz, MD.

Papers1

Dr. Chan's most frequent co-authors

Recent publications by Dr. Chan

See all 1 publications and co-authors

See who Dr. Chan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chan 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. Stephen E. Chan received $28 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Chan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $28.

Companies that paid Dr. Chan the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chan

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

Dr. Stephen E. Chan graduated from UCSF School of Medicine

Dr. Chan graduated from UCSF School of Medicine in 2018.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Stephen E. Chan accepts plans from 11 insurance carriers

Dr. Chan is in network with 11 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Dr. Chan accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO4
  4. Medicare4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Stephen E. Chan'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. Stephen E. Chan

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. Stephen E. Chan's NPI number?

Dr. Stephen E. Chan's NPI number is 1982109138. It was assigned on March 29, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen E. Chan?

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

Where does Dr. Stephen E. Chan practice?

Dr. Chan practices at 2825 Capitol Avenue, Sacramento, CA 95816. Dr. Chan's primary practice is Sutter Medical Center, Sacramento in Sacramento, California, part of Sutter Health. Dmand AI also links Dr. Chan to 4 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Stephen E. Chan's office phone number?

The practice phone on file for Dr. Chan is (916) 454-2222.

What is Dr. Stephen E. Chan's medical license number?

Dr. Chan's California license number on file is 1261389.

Which hospitals is Dr. Stephen E. Chan affiliated with?

Dr. Chan practices at Sutter Medical Center, Sacramento in Sacramento, California. Dr. Chan is also affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Chan to 4 more hospitals.

What medical group is Dr. Stephen E. Chan part of?

Dr. Chan is linked to Palo Alto Foundation Medical Group.

Does Dr. Stephen E. Chan accept Medicare?

Yes. CMS data shows Dr. Chan billed Medicare for 1,155 services in 2024, and Dr. Chan accepts Medicare assignment.

Does Dr. Stephen E. Chan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chan as offering telehealth services.

How many Medicare patients does Dr. Stephen E. Chan see?

CMS counts 394 Medicare patients who saw Dr. Chan in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Stephen E. Chan board certified?

Yes. Dr. Chan is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Stephen E. Chan bill to Medicare?

In 2024, Dr. Chan's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).

Where did Dr. Stephen E. Chan go to medical school?

Dr. Chan graduated from UCSF School of Medicine in 2018.

What drugs does Dr. Stephen E. Chan prescribe most?

In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has Dr. Stephen E. Chan received payments from drug or device companies?

CMS Open Payments shows $28 in general payments to Dr. Chan from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Stephen E. Chan been practicing?

Dr. Chan graduated from medical school in 2018, 8 years ago.

Does Dr. Stephen E. Chan do research?

Dmand AI links 1 publication to Dr. Chan.

Who does Dr. Stephen E. Chan publish with?

Dr. Chan's most frequent co-authors are Paul B. Aronowitz, MD (1 shared paper).

What insurance does Dr. Stephen E. Chan accept?

Dr. Chan is in network with 11 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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