Robert Isaacs, M.D
Specialist · Downey, CA
Robert Isaacs, M.D is a specialist with a practice address in Downey, California, and NPI 1568682102, issued on Apr 26, 2007. Check the license (California A25740, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Isaacs
- Credential
- M.D
- Primary taxonomy
- Specialist 174400000X
- License number
- A25740 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8355 3RD St, Downey, CA 90241
- Phone
- (562) 869-3900
- Enumerated
- Apr 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 869-3111
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 8355 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Johnny Oh, D.CChiropractor1649497819
Verify Robert Isaacs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A25740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Isaacs among 5,749 specialist records in California
Robert Isaacs, M.D is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in Downey → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michael Buchbinder, M.D.Downey, CA 902411558446476
- Shin Chiu, M.D.Downey, CA 902411851323794
- Steven Nagelberg, M.D.Downey, CA 902411114060720
- Francisco Recalde, MDDowney, CA 902411538309067
- Alexander Vargas, MDDowney, CA 902411356332936
- Laurel Zober, M.D.Downey, CA 902411184708745
- Thomas Blair, M.D. (JUNE 2012)Downey, CA 902421487910717
- Zareen Faiz, M.D.Downey, CA 902401710027446
Common questions
What is Robert Isaacs, M.D's NPI number?
Robert Isaacs, M.D's National Provider Identifier (NPI) is 1568682102, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Isaacs, M.D located?
The NPPES record lists a practice address at 8355 3RD St, Downey, CA, 90241. Phone: (562) 869-3900. Providers update this record themselves, so call before visiting.
How can I verify Robert Isaacs, M.D's license?
NPPES lists California license number A25740, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.