NPPES file of Aug 9, 2026

Christine Sangmi Chang, MD

Pediatrics Physician · Sunnyvale, CA

Christine Sangmi Chang, MD is a pediatrics physician with a practice address in Sunnyvale, California, and NPI 1750807764, issued on Aug 22, 2017. Check the license (California A147446, 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
1750807764
Name
Christine Sangmi Chang
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A147446 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Old San Francisco RD, Sunnyvale, CA 94086
Phone
(408) 730-4251
Enumerated
Aug 22, 2017
Record last updated
Dec 10, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 301 Old San Francisco RD

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

  1. Zubia Ahmad, MDInternal Medicine Physician1265879522
  2. Syed Salman Ali, MDInternal Medicine Physician1740621671
  3. Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
  4. Aisha AminInternal Medicine Physician1013440981
  5. Joyce Ang, MDPediatrics Physician1346634698
  6. Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709

Verify Christine Sangmi 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 A147446
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $110.83

1 payment: food and beverage; the largest payer was Genzyme Corporation. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christine Chang$110.83
  2. Specialty average$842.05

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

Christine Sangmi Chang among 9,272 pediatrics physician records in California

Christine Sangmi Chang, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.

  • NPI issued2017 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2018 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 pediatrics physician records list a practice address in Sunnyvale

They are 28 of the 1,690 NPPES records with a practice address in Sunnyvale, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Marisa Cappiello, MDSunnyvale, CA 940861326014168
  2. Jane Chen, MDSunnyvale, CA 940861316035520
  3. Elaine Chen, MDSunnyvale, CA 940861073690921
  4. Liang Huan, M.D.Sunnyvale, CA 940861215286588
  5. Maria Jiao, MDSunnyvale, CA 940861760445480
  6. Lori Kandel, MDSunnyvale, CA 940861144378068
  7. Douglas Kaye, MDSunnyvale, CA 940861881632271
  8. Melanie Klein, MDSunnyvale, CA 940861578644480

Common questions

What is Christine Sangmi Chang, MD's NPI number?

Christine Sangmi Chang, MD's National Provider Identifier (NPI) is 1750807764, issued on Aug 22, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Christine Sangmi Chang, MD located?

The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4251. Providers update this record themselves, so call before visiting.

How can I verify Christine Sangmi Chang, MD's license?

NPPES lists California license number A147446, 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.

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.

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.