Stewart I. Brooks, MD
Pediatrics Physician · Simi Valley, CA
Stewart I. Brooks, MD is a pediatrics physician with a practice address in Simi Valley, California, and NPI 1477542173, issued on Oct 17, 2005. Check the license (California G21224, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stewart I. Brooks
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G21224 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2950 Sycamore Dr, Simi Valley, CA 93065
- Phone
- (805) 527-9400
- Enumerated
- Oct 17, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (805) 582-1344
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 2950 Sycamore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yale Doberne, MDPediatrics Physician1912996612
- Melanie DreherFamily Medicine Physician1679125413
Verify Stewart I. Brooks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G21224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average pediatrics physician in 2024
25 Medicare Part D claims, against an average of 375 among the 5,609 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.
Industry payments in 2024: $111.62
5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stewart I. Brooks among 9,272 pediatrics physician records in California
Stewart I. Brooks, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Simi Valley → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Mark Bruckner, M.D.Simi Valley, CA 930651245226232
- Morag Day-Scarinci, D.O.Simi Valley, CA 930651568774289
- Yale Doberne, MDSimi Valley, CA 930651912996612
- Wei-Chi Huang, MDSimi Valley, CA 930651326010547
- Jutharat Pattanachinda, M.D.Simi Valley, CA 930651720077423
- Jeanette Pilliner, M.D.Simi Valley, CA 930651770618605
- Yael Straus, MDSimi Valley, CA 930651649911306
- Sharon Taylor, M.D.Simi Valley, CA 930651609011782
Common questions
What is Stewart I. Brooks, MD's NPI number?
Stewart I. Brooks, MD's National Provider Identifier (NPI) is 1477542173, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stewart I. Brooks, MD located?
The NPPES record lists a practice address at 2950 Sycamore Dr, Simi Valley, CA, 93065. Phone: (805) 527-9400. Providers update this record themselves, so call before visiting.
How can I verify Stewart I. Brooks, MD's license?
NPPES lists California license number G21224, 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 Stewart I. Brooks, MD prescribe under Medicare Part D?
In 2024, Stewart I. Brooks, MD had 25 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.