Henry Chang, DO
Hospitalist Physician · Santa Monica, CA
Henry Chang, DO is a hospitalist physician with a practice address in Santa Monica, California, and NPI 1215674551, issued on May 18, 2022. Check the license (California 20A21989, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Henry Chang
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A21989 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Santa Monica Blvd, Santa Monica, CA 90404
- Phone
- (310) 453-1324
- Enumerated
- May 18, 2022
- Record last updated
- Oct 22, 2025
- Fax
- (310) 212-5921
- Medicare enrollment
- Enrolled (PECOS I20250625004025); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2022
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2121 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Henry Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21989Check 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: $15.44
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 7,324 providers of this specialty with any payment received $494.84 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.
Bills Medicare through one group practice
- Providence Saint Johns Medical FoundationSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Henry Chang among 3,099 hospitalist physician records in California
Henry Chang, DO is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2022 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 hospitalist physician records list a practice address in Santa Monica
They are 96 of the 5,151 NPPES records with a practice address in Santa Monica, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Santa Monica → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Spencer Adams, MDSanta Monica, CA 904041487688198
- Nathan Cox, M.D.Santa Monica, CA 904041912173378
- Erin Dowling, M.D.Santa Monica, CA 904041568645901
- Retha GoodglickSanta Monica, CA 904041396994034
- Adela Greeley, M.D.Santa Monica, CA 904041205968492
- David Kagan, MDSanta Monica, CA 904041992965768
- Russell KerbelSanta Monica, CA 904041164699203
- Mike La, M.D.Santa Monica, CA 904041790949535
Common questions
What is Henry Chang, DO's NPI number?
Henry Chang, DO's National Provider Identifier (NPI) is 1215674551, issued on May 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Henry Chang, DO located?
The NPPES record lists a practice address at 2121 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 453-1324. Providers update this record themselves, so call before visiting.
How can I verify Henry Chang, DO's license?
NPPES lists California license number 20A21989, 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.