NPPES file of Aug 9, 2026

Stephanie Hedy Yunchung Chang, MD, MSC

Family Medicine Physician · Santa Cruz, CA

Stephanie Hedy Yunchung Chang, MD, MSC is a family medicine physician with a practice address in Santa Cruz, California, and NPI 1215591177, issued on Apr 26, 2019. Check the license (California A180033, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215591177
Name
Stephanie Hedy Yunchung Chang
Credential
MD, MSC
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A180033 CA
Self-reported in NPPES; status is on the state search
Practice location
1510 Capitola RD, Santa Cruz, CA 95062
Phone
(831) 427-3500
Enumerated
Apr 26, 2019
Record last updated
May 5, 2026
Medicare enrollment
Enrolled (PECOS I20230103001629); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1510 Capitola RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nadia AllamiPediatric Nurse Practitioner1346723087
  2. Jacqueline AlvarezMarriage & Family Therapist1093436511
  3. Michael Amster, MDPain Medicine Physician1114023058
  4. Krystina Begonia, MDFamily Medicine Physician1760942734
  5. Rebecca Breton, MDPediatrics Physician1659367548
  6. Karen Carranza, RNRegistered Nurse1013730001

Verify Stephanie Hedy Yunchung Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A180033    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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83% fewer Medicare Part D claims than the average family medicine physician in 2024

617 Medicare Part D claims for 114 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Stephanie Chang617
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium60 claims
  2. Lisinopril28 claims
  3. Simvastatin20 claims
  4. Albuterol Sulfate Hfa18 claims
  5. Atorvastatin Calcium18 claims
  6. Amlodipine Besylate13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $123.54

1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Chang$123.54
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Santa Cruz Community Health CentersSanta Cruz, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephanie Hedy Yunchung Chang among 17,133 family medicine physician records in California

Stephanie Hedy Yunchung Chang, MD, MSC is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

114 family medicine physician records list a practice address in Santa Cruz

They are 114 of the 5,138 NPPES records with a practice address in Santa Cruz, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Santa Cruz → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Rachel Abrams, M.D.Santa Cruz, CA 950621578542171
  2. David Beck, MDSanta Cruz, CA 950621235101122
  3. Deborah Bronstein, M.D.Santa Cruz, CA 950621245219393
  4. William Ebert, MDSanta Cruz, CA 950621982609848
  5. Bruce Eisendorf, M.D.Santa Cruz, CA 950621760462824
  6. Dawn Faber, M.D.Santa Cruz, CA 950621346201878
  7. Patricia Hinz, M.D.Santa Cruz, CA 950621750361077
  8. Duncan HolbertSanta Cruz, CA 950621770563520

Common questions

What is Stephanie Hedy Yunchung Chang, MD, MSC's NPI number?

Stephanie Hedy Yunchung Chang, MD, MSC's National Provider Identifier (NPI) is 1215591177, issued on Apr 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Hedy Yunchung Chang, MD, MSC located?

The NPPES record lists a practice address at 1510 Capitola RD, Santa Cruz, CA, 95062. Phone: (831) 427-3500. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Hedy Yunchung Chang, MD, MSC's license?

NPPES lists California license number A180033, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephanie Hedy Yunchung Chang, MD, MSC prescribe under Medicare Part D?

In 2024, Stephanie Hedy Yunchung Chang, MD, MSC had 617 Medicare Part D claims for 114 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.