Laura Grunbaum, M.D.
Pediatrics Physician · San Leandro, CA
Laura Grunbaum, M.D. is a pediatrics physician with a practice address in San Leandro, California, and NPI 1780624700, issued on Jun 7, 2006. Check the license (California G080985, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Laura Grunbaum
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G080985 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Bancroft Ave, San Leandro, CA 94577
- Phone
- (510) 483-2600
- Enumerated
- Jun 7, 2006
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- YYY48935Y CA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 1300 Bancroft Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laura Denenberg, M.D.Pediatrics Physician1962513093
- Jerry Elliott, D.C.Chiropractor1639383052
Verify Laura Grunbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G080985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Laura Grunbaum among 9,272 pediatrics physician records in California
Laura Grunbaum, 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 not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2021 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,272 in California → Every provider in San Leandro → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Maria Beamer, M.D.San Leandro, CA 945771952350936
- Arnold Blustein, M.D.San Leandro, CA 945771114989951
- Jennie Chen, M.D.San Leandro, CA 945771407891070
- Christina Chow, DOSan Leandro, CA 945771407954902
- Laura Denenberg, M.D.San Leandro, CA 945771962513093
- Diana Fan, M.D.San Leandro, CA 945771881777233
- Shalin Kapoor, M.D.San Leandro, CA 945771366520124
- Shirley Lau, M.D.San Leandro, CA 945771952482416
Common questions
What is Laura Grunbaum, M.D.'s NPI number?
Laura Grunbaum, M.D.'s National Provider Identifier (NPI) is 1780624700, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Laura Grunbaum, M.D. located?
The NPPES record lists a practice address at 1300 Bancroft Ave, San Leandro, CA, 94577. Phone: (510) 483-2600. Providers update this record themselves, so call before visiting.
How can I verify Laura Grunbaum, M.D.'s license?
NPPES lists California license number G080985, 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. 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.