Dr. Steven C. Chang, MD

  • Laguna Niguel, CA
  • General surgeon
NPI1851704092
Part D claims, 2024
19
Industry payments
$255
Affiliated sites
2
Insurance carriers
1
State license
1
Practice address
27882 Forbes Rd, Laguna Niguel, CA 92677
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Laguna Niguel Surgery Center - HOPD

Acute Care Hospital outpatient department · Laguna Niguel, California

See all 2 affiliations

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Dr. Steven C. Chang is a general surgeon in Laguna Niguel, California

Dr. Chang practices at Laguna Niguel Surgery Center - HOPD in Laguna Niguel, California.

Dr. Chang's NPI, 1851704092, was assigned on June 5, 2014. Dr. Chang graduated from Keio Gujuku University School of Medicine in 1978. Dr. Chang holds California license A39269.

NPI and contact details
NPI enumeration date
June 5, 2014
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1978

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Steven C. Chang practices at Laguna Niguel Surgery Center - HOPD in Laguna Niguel, California

Dr. Chang's primary practice is Laguna Niguel Surgery Center - HOPD, at 27882 Forbes Rd, Laguna Niguel, CA 92677.

  • Laguna Niguel Surgery Center - HOPD
    27882 Forbes Rd, Laguna Niguel, CA 92677

Source: Dmand AI Affiliation Data

Dr. Steven C. Chang is affiliated with 2 sites of care

Dr. Chang's primary practice is Laguna Niguel Surgery Center - HOPD in Laguna Niguel, California. Dmand AI also links Dr. Chang to 1 ambulatory surgery center, named with a free account.

Laguna Niguel Surgery Center - HOPDAcute Care Hospital outpatient department · Laguna Niguel, CaliforniaPrimary
1 ambulatory surgery centerName with a free account
See all 2 affiliations for Dr. Chang

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Steven C. Chang's practice

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

EHR by site
SiteEHR vendor and product
Laguna Niguel Surgery Center - HOPDAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Steven C. Chang is one of 2,926 general surgeons in California

Surgery is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chang is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A39269 · 1982 to 2026 · taxonomy 208600000X

General surgeons near Dr. Chang

Counts of general surgeons 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. Steven C. Chang's patients have a median age of 66

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 66, with 54% women.

Dr. Chang's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women54%
  • Men42%

Source: Dmand AI Patient Panel Data

Dr. Steven C. Chang wrote 19 Medicare Part D claims in 2024

In 2024, Dr. Chang wrote 19 Medicare Part D claims. 79% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $31 in total drug cost.

Part D claims, 202419
Drugs named by CMS1
Total drug cost$31

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

  • Generic15 claims79%
  • Brand-name and other4 claims21%

Dr. Chang's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Chang

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

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Dr. Steven C. Chang received $255 in industry payments from 2017 to 2022

CMS Open Payments shows 4 general payments to Dr. Chang from 3 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $121.

General payments to Dr. Chang by program year, 2017 to 2022

Companies that paid Dr. Chang the most, 2017 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Chang

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

Dr. Steven C. Chang graduated from Keio Gujuku University School of Medicine

Dr. Chang graduated from Keio Gujuku University School of Medicine in 1978.

  1. Medical schoolKeio Gujuku University School of Medicine

Source: Dmand AI Professional Profile Data

Dr. Steven C. Chang accepts plans from 1 insurance carrier

Dr. Chang is in network with 1 carrier, including GA State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • GA State Medicaid

Source: Dmand AI Insurance Network Data

Sources for Dr. Steven C. Chang'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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
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. Steven C. Chang

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. Steven C. Chang's NPI number?

Dr. Steven C. Chang's NPI number is 1851704092. It was assigned on June 5, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Steven C. Chang?

Dr. Steven C. Chang is a general surgeon in Laguna Niguel, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Steven C. Chang practice?

Dr. Chang practices at 27882 Forbes Rd, Laguna Niguel, CA 92677. Dr. Chang's primary practice is Laguna Niguel Surgery Center - HOPD in Laguna Niguel, California. Dmand AI also links Dr. Chang to 1 ambulatory surgery center.

What is Dr. Steven C. Chang's medical license number?

Dr. Chang holds California license A39269.

Where did Dr. Steven C. Chang go to medical school?

Dr. Chang graduated from Keio Gujuku University School of Medicine in 1978.

What drugs does Dr. Steven C. Chang prescribe most?

In 2021 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Finasteride.

Has Dr. Steven C. Chang received payments from drug or device companies?

CMS Open Payments shows $255 in general payments to Dr. Chang from 3 companies from 2017 to 2022. The largest total came from Medtronic USA, Inc.

How long has Dr. Steven C. Chang been practicing?

Dr. Chang graduated from medical school in 1978, 48 years ago.

What insurance does Dr. Steven C. Chang accept?

Dr. Chang is in network with 1 carrier, including GA State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

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