John Steven Child, MD
Cardiovascular Disease Physician · Los Angeles, CA
John Steven Child, MD is a cardiovascular disease physician with a practice address in Los Angeles, California, and NPI 1336173640, issued on Jul 10, 2006. Check the license (California A24335, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Steven Child
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A24335 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 825-2019
- Enumerated
- Jul 10, 2006
- Record last updated
- Jun 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00A243350 CA
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 200 Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Steven Child in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A24335Check 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 cardiovascular disease physician in 2024
31 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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.
John Steven Child among 2,574 cardiovascular disease physician records in California
John Steven Child, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Los Angeles → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Jesus Araujo, MDLos Angeles, CA 900951518990639
- Donald Chang, MD, MPHLos Angeles, CA 900951861427643
- Fabian Chen, MDLos Angeles, CA 900951427083328
- Shelly Cote, NPLos Angeles, CA 900951306871009
- Jesse Currier, MDLos Angeles, CA 900951205852100
- Linda Demer, MDLos Angeles, CA 900951437184157
- Leslie Eber, MDLos Angeles, CA 900951043235203
- Zenaida Feliciano, MDLos Angeles, CA 900951982639563
Common questions
What is John Steven Child, MD's NPI number?
John Steven Child, MD's National Provider Identifier (NPI) is 1336173640, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Steven Child, MD located?
The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 825-2019. Providers update this record themselves, so call before visiting.
How can I verify John Steven Child, MD's license?
NPPES lists California license number A24335, 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 John Steven Child, MD prescribe under Medicare Part D?
In 2024, John Steven Child, MD had 31 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.