Steven Charles Castle, MD
Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Steven Charles Castle, MD is a geriatric medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1619069325, issued on Sep 29, 2006. Check the license (California G058595, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Charles Castle
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G058595 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11301 Wilshire Blvd, Los Angeles, CA 90073
- Phone
- (310) 268-4671
- Enumerated
- Sep 29, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 268-4842
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 11301 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances Abad, FNPFamily Nurse Practitioner1053504514
- Oluwakemi AbayomiPsychiatric/Mental Health Nurse Practitioner1598508913
- Vanessa AbcedeSocial Worker1306584495
- Maren Abromowitz, FNP-BCFamily Nurse Practitioner1356950919
- Nayiri Adessian, MS, CCC-SLPSpeech-Language Pathologist1326761420
- Farzad AdibStudent in an Organized Health Care Education/Training Program1558745869
Verify Steven Charles Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G058595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
23 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Steven Charles Castle among 532 geriatric medicine (internal medicine) physician records in California
Steven Charles Castle, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Los Angeles → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Justin ChengLos Angeles, CA 900731114486255
- Shawkat Dhanani, MD, MPHLos Angeles, CA 900731093813685
- David Ganz, MDLos Angeles, CA 900731265467864
- Alia Khan-Hudson, MDLos Angeles, CA 900731609958180
- Cathy Lee, M.D.Los Angeles, CA 900731376646406
- Mary Levin, M.D.Los Angeles, CA 900731740233709
- Deborah Oles, M.D.Los Angeles, CA 900731396798708
- Caroline PetrossianCentury City, CA 900671396233185
Common questions
What is Steven Charles Castle, MD's NPI number?
Steven Charles Castle, MD's National Provider Identifier (NPI) is 1619069325, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Charles Castle, MD located?
The NPPES record lists a practice address at 11301 Wilshire Blvd, Los Angeles, CA, 90073. Phone: (310) 268-4671. Providers update this record themselves, so call before visiting.
How can I verify Steven Charles Castle, MD's license?
NPPES lists California license number G058595, 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 Steven Charles Castle, MD prescribe under Medicare Part D?
In 2024, Steven Charles Castle, MD had 23 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.