Brian K. Greenberg, M.D.
Pediatric Allergy/Immunology Physician · Tarzana, CA
Brian K. Greenberg, M.D. is a pediatric allergy/immunology physician with a practice address in Tarzana, California, and NPI 1821023201, issued on Jul 12, 2006. Check the license (California G61421, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian K. Greenberg
- Credential
- M.D.
- Primary taxonomy
- Pediatric Allergy/Immunology Physician 2080P0201X
- License number
- G61421 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18370 Burbank Blvd, Tarzana, CA 91356
- Phone
- (818) 996-6000
- Enumerated
- Jul 12, 2006
- Record last updated
- Mar 2, 2022
- Fax
- (818) 996-4712
- Entity
- Type 1 · individual
8 nearest pediatric allergy/immunology physician records → All 52 in California → Look up another NPI →
Also registered at 18370 Burbank Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Abrams, M.D.Internal Medicine Physician1881690865
- Daryl Alexander, MDSpecialist1629143185
- Peter Brian Andersson, MDNeurology Physician1326063843
- Raymond Bailey, MDInternal Medicine Physician1346347408
- Robert Barnhard, M.D.Pediatrics Physician1215962899
- Snunit Ben - Ozer, MDReproductive Endocrinology Physician1437286952
Verify Brian K. Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G61421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $3,531.43
10 payments; by number, the most common kind was food and beverage; the largest payer was Henry Schein, Inc. The 289 providers of this specialty with any payment received $7,101.54 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.
Brian K. Greenberg among 52 pediatric allergy/immunology physician records in California
Brian K. Greenberg, M.D. is one of 52 pediatric allergy/immunology 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 2% of them.
- NPI issued2006 · 2% of these records are older, 50% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Allergy/Immunology Physician providers in California
There are 52 pediatric allergy/immunology physician records in California.
All 52 in California → Every provider in Tarzana → Pediatric Allergy/Immunology Physician nationwide →
The 8 pediatric allergy/immunology physician records with the nearest ZIP codes
- Houshang Farhadian, MDSanta Clarita, CA 913551427152727
- Marshall Goldberg, M.D.Encino, CA 913161841378841
- Sara MattySan Diego, CA 921051265167506
- Ly Nguyen, M.D.Torrance, CA 905051295823862
- Chad Oh, M.D.Torrance, CA 905021568472421
- Stuart Chudnofsky, MDRancho Mirage, CA 922701023719689
- Tania Kimia, MDSanta Monica, CA 904041295934826
- John Faraci, MDLoma Linda, CA 923541104845775
Common questions
What is Brian K. Greenberg, M.D.'s NPI number?
Brian K. Greenberg, M.D.'s National Provider Identifier (NPI) is 1821023201, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian K. Greenberg, M.D. located?
The NPPES record lists a practice address at 18370 Burbank Blvd, Tarzana, CA, 91356. Phone: (818) 996-6000. Providers update this record themselves, so call before visiting.
How can I verify Brian K. Greenberg, M.D.'s license?
NPPES lists California license number G61421, 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.
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.