Henry George Zelada Castro, MD
Endocrinology, Diabetes & Metabolism Physician · Santa Monica, CA
Henry George Zelada Castro, MD is an endocrinology, diabetes & metabolism physician with a practice address in Santa Monica, California, and NPI 1417339540, issued on Jun 25, 2015. Check the license (California A193158, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Henry George Zelada Castro
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- A193158 CA
39140 AL
125066137 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1245 16TH St Ste 307, Santa Monica, CA 90404
- Phone
- (310) 899-7633
- Enumerated
- Jun 25, 2015
- Record last updated
- Apr 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20240215004358); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 1245 16TH St Ste 307
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Henry George Zelada Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
524 Medicare Part D claims for 110 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Ozempic46 claims
- Mounjaro44 claims
- Jardiance33 claims
- Tresiba Flextouch U-10025 claims
- Atorvastatin Calcium24 claims
- Metformin Hcl Er19 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.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Henry George Zelada Castro among 1,131 endocrinology, diabetes & metabolism physician records in California
Henry George Zelada Castro, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2011 · median 2003 among the 779 with a school on file
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Santa Monica → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Evan Abel, MDSanta Monica, CA 904041619067238
- Katherine Araque Triana, M.D.Santa Monica, CA 904041144656430
- Philip Barnett, M.D.Santa Monica, CA 904041154309045
- Julie Bernthal, MDSanta Monica, CA 904041619310604
- Linda Glaser, M.D., PH.D.Santa Monica, CA 904041518900976
- Shira Grock, MDSanta Monica, CA 904041871868968
- Richard Guttler, MD FACESanta Monica, CA 904041275653024
- Sarah Kim, M.D.Santa Monica, CA 904041790075331
Common questions
What is Henry George Zelada Castro, MD's NPI number?
Henry George Zelada Castro, MD's National Provider Identifier (NPI) is 1417339540, issued on Jun 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Henry George Zelada Castro, MD located?
The NPPES record lists a practice address at 1245 16TH St Ste 307, Santa Monica, CA, 90404. Phone: (310) 899-7633. Providers update this record themselves, so call before visiting.
How can I verify Henry George Zelada Castro, MD's license?
NPPES lists California license number A193158, 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 Henry George Zelada Castro, MD prescribe under Medicare Part D?
In 2024, Henry George Zelada Castro, MD had 524 Medicare Part D claims for 110 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.
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.