Janice Wan Ching Chan, DO
Pediatric Endocrinology Physician · Los Angeles, CA
Janice Wan Ching Chan, DO is a pediatric endocrinology physician with a practice address in Los Angeles, California, and NPI 1932603453, issued on Mar 20, 2018. Check the license (California 20A17901, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janice Wan Ching Chan
- Credential
- DO
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License number
- 20A17901 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Phone
- (323) 226-5700
- Enumerated
- Mar 20, 2018
- Record last updated
- Mar 19, 2024
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 207 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sadeea Abbasi, M.D., PH.D.Gastroenterology Physician1366713513
- Danna Abdel-Khader, MDInternal Medicine Physician1780977827
- Terri Leigh Abe, MDInternal Medicine Physician1881897569
- Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
- Zachary AbelsonObstetrics & Gynecology Physician1689237414
- Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484
Verify Janice Wan Ching Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $211.09
6 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 931 providers of this specialty with any payment received $4,382.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Janice Wan Ching Chan among 207 pediatric endocrinology physician records in California
Janice Wan Ching Chan, DO 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- 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 Los Angeles → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Benjamin Fass, MDLos Angeles, CA 900341528135464
- Nancy Chang, NPLos Angeles, CA 900271447819388
- Lily Chao, MDLos Angeles, CA 900271508031352
- Richard Fefferman, MDLos Angeles, CA 900271053482943
- Jessica Ferris, M.D.Los Angeles, CA 900271730477944
- Mitchell Geffner, MDLos Angeles, CA 900271043302391
- Laurel Gordon, MDLos Angeles, CA 900271972189983
- Francine Kaufman, M.DLos Angeles, CA 900271376624148
Common questions
What is Janice Wan Ching Chan, DO's NPI number?
Janice Wan Ching Chan, DO's National Provider Identifier (NPI) is 1932603453, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Janice Wan Ching Chan, DO located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 226-5700. Providers update this record themselves, so call before visiting.
How can I verify Janice Wan Ching Chan, DO's license?
NPPES lists California license number 20A17901, 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.