Carolyn Haekyung Chi, MD
Pediatric Endocrinology Physician · Palo Alto, CA
Carolyn Haekyung Chi, MD is a pediatric endocrinology physician with a practice address in Palo Alto, California, and NPI 1811038987, issued on Feb 9, 2007. Check the license (California A78976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carolyn Haekyung Chi
- Credential
- MD
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License numbers
- A78976 CA
A79876 CA
N1282 TX
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Feb 9, 2007
- Record last updated
- Apr 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20060320000515); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 207 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Carolyn Haekyung Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Lpch Medical Group Div OF LucilePalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carolyn Haekyung Chi among 207 pediatric endocrinology physician records in California
Carolyn Haekyung Chi, MD is one of 207 pediatric endocrinology physician records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 48% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2001 · median 2002 among the 46 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Endocrinology Physician providers in California
There are 207 pediatric endocrinology physician records in California.
All 207 in California → Every provider in Palo Alto → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Ananta AddalaPalo Alto, CA 943041740669563
- Tandy Aye, MDPalo Alto, CA 943041720026305
- Laura Bachrach, MDPalo Alto, CA 943041679550859
- Caroline Buckway, MDPalo Alto, CA 943041114026127
- Holly Cooper, M.D.Palo Alto, CA 943041477947349
- Laya EkhlaspourPalo Alto, CA 943041407107055
- Jennifer Ikle, MDPalo Alto, CA 943041770998031
- Sara Moassesfar, M.D.Palo Alto, CA 943041265605497
Common questions
What is Carolyn Haekyung Chi, MD's NPI number?
Carolyn Haekyung Chi, MD's National Provider Identifier (NPI) is 1811038987, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Haekyung Chi, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Haekyung Chi, MD's license?
NPPES lists California license number A78976, 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.