John Andrew Henderson, M.D.
Emergency Medicine Physician · Gardena, CA
John Andrew Henderson, M.D. is an emergency medicine physician with a practice address in Gardena, California, and NPI 1518303775, issued on May 15, 2013. Check the license (California A132202, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Andrew Henderson
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A132202 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1145 W Redondo Beach Blvd, Gardena, CA 90247
- Phone
- (310) 532-4200
- Enumerated
- May 15, 2013
- Record last updated
- Jul 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160713002436); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1145 W Redondo Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ivy Chang, M.D.Emergency Medicine Physician1891182374
- Jeanie Chen, PHARMDPharmacist1609435106
- Chidinma Chima-Melton, MDPulmonary Disease Physician1306161625
- Charienez Cruz, FNP-BCFamily Nurse Practitioner1457052631
- Courtney Flores, NP-CFamily Nurse Practitioner1033830997
- Tamrie FreemanPhysical Therapy Assistant1144410093
Verify John Andrew Henderson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A132202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average emergency medicine physician in 2024
209 Medicare Part D claims for 134 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Naproxen28 claims
- Cephalexin22 claims
- Prednisone21 claims
- Azithromycin17 claims
- Albuterol Sulfate Hfa11 claims
- Ibuprofen11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Redondo Emergency Physicians IncGardena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Andrew Henderson among 7,751 emergency medicine physician records in California
John Andrew Henderson, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.
- NPI issued2013 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2011 among the 4,560 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Gardena → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ivy Chang, M.D.Gardena, CA 902471891182374
- Keivan Edalat, MDGardena, CA 902471790727162
- Daniel Furoy, M.D.Gardena, CA 902471669671319
- Stephani Luecker, D.O.Gardena, CA 902471659494557
- Rajinder Sekhon, M.D.Gardena, CA 902471710117924
- Jaee Tamhane, DOGardena, CA 902471164981023
- Hang Tran, DOGardena, CA 902471619133659
- Taylor Walsh, M.D.Gardena, CA 902471144753955
Common questions
What is John Andrew Henderson, M.D.'s NPI number?
John Andrew Henderson, M.D.'s National Provider Identifier (NPI) is 1518303775, issued on May 15, 2013. An NPI identifies a provider in billing; it is not a license.
Where is John Andrew Henderson, M.D. located?
The NPPES record lists a practice address at 1145 W Redondo Beach Blvd, Gardena, CA, 90247. Phone: (310) 532-4200. Providers update this record themselves, so call before visiting.
How can I verify John Andrew Henderson, M.D.'s license?
NPPES lists California license number A132202, 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 Andrew Henderson, M.D. prescribe under Medicare Part D?
In 2024, John Andrew Henderson, M.D. had 209 Medicare Part D claims for 134 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John Andrew Henderson, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.