Gregorio Abad-Santos, M.D.
Pediatrics Physician · Long Beach, CA
Gregorio Abad-Santos, M.D. is a pediatrics physician with a practice address in Long Beach, California, and NPI 1255451894, issued on Mar 29, 2007. Check the license (California A42068, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregorio Abad-Santos
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A42068 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2840 Long Beach Blvd, Long Beach, CA 90806
- Phone
- (562) 595-5479
- Enumerated
- Mar 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 988-7616
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 2840 Long Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregorio Abad-Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42068Check 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: $69.52
3 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, 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.
Gregorio Abad-Santos among 9,272 pediatrics physician records in California
Gregorio Abad-Santos, M.D. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 43% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2007 · 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 Long Beach → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Alice Brinkman, MDLong Beach, CA 908061992965545
- Tracy Clark, M.D.Long Beach, CA 908061629140686
- Jill Gaoghagan, MDLong Beach, CA 908061760555759
- Bension Houri, M.D.Long Beach, CA 908061649487422
- Thomas HowellLong Beach, CA 908061922272707
- Gin Lee-Hong, MDLong Beach, CA 908061467525469
- Rosette Manio, MDLong Beach, CA 908061043217292
- Jessica Marcus, M.DLong Beach, CA 908061649475401
Common questions
What is Gregorio Abad-Santos, M.D.'s NPI number?
Gregorio Abad-Santos, M.D.'s National Provider Identifier (NPI) is 1255451894, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregorio Abad-Santos, M.D. located?
The NPPES record lists a practice address at 2840 Long Beach Blvd, Long Beach, CA, 90806. Phone: (562) 595-5479. Providers update this record themselves, so call before visiting.
How can I verify Gregorio Abad-Santos, M.D.'s license?
NPPES lists California license number A42068, 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.