HENRY GEORGE ZELADA CASTRO MD
NPI 1417339540
Internal Medicine - Endocrinology, Diabetes & Metabolism in Santa Monica, CA
About Henry George Zelada Castro Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY GEORGE ZELADA CASTRO MD (NPI 1417339540) is an individual endocrinology, diabetes & metabolism provider in Santa Monica, California, licensed in California (A193158) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Henry George Zelada Castro Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Henry Zelada Castro reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Birmingham, AL 35233
- Reassigned Medicare billing, Alabama enrollment
- 4,494 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Henry Zelada Castro's NPI number?
The NPI number for Henry Zelada Castro is 1417339540. It was assigned to this individual provider in the NPPES registry on June 25, 2015.
Where is Henry Zelada Castro located?
Henry Zelada Castro practices at 1245 16th St Ste 307, Santa Monica, CA 90404. The listed phone number is (310) 899-7633.
What is Henry Zelada Castro's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Henry Zelada Castro enrolled in Medicare?
Yes. Henry Zelada Castro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Henry Zelada Castro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Zelada Castro reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California (Los Angeles, CA) and University Of Alabama Health Services Foundation, PC (Birmingham, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Henry Zelada Castro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Henry Zelada Castro was last updated on April 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Henry George Zelada Castro, MD · NPI 1417339540
Endocrinology, Diabetes & Metabolism physician in Santa Monica, California. Individual provider, active in the CMS NPPES registry since June 25, 2015.
## Identity
- **NPI:** 1417339540 (Entity type: Individual)
- **Enumerated:** June 25, 2015
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** A193158 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1245 16TH ST STE 307, Santa Monica, CA 90404-1239
- **Phone:** (310) 899-7633
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA); University Of Alabama Health Services Foundation, PC (NPI 1164617205, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** April 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1417339540) · Data from the CMS NPPES public registry.