Marshall J. Littman, MD
Pediatrics Physician · Poway, CA
Marshall J. Littman, MD is a pediatrics physician with a practice address in Poway, California, and NPI 1578534590, issued on Jan 28, 2006. Check the license (California G36620, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marshall J. Littman
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G36620 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15525 Pomerado RD, Poway, CA 92064
- Phone
- (858) 673-3340
- Enumerated
- Jan 28, 2006
- Record last updated
- Feb 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (858) 673-1075
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 15525 Pomerado RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debra Abel, AU.D.Audiologist1073519955
- Loubaba Adlouni, MDPediatrics Physician1669443685
- Margarita Alonso, M.D.Psychiatry Physician1780618082
- Francis Barber, M.D.Specialist1518965011
- Christine Bell - Anderson, AUDAudiologist1689731416
- Philip Bohart, M.DOrthopaedic Surgery Physician1033223425
Verify Marshall J. Littman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marshall J. Littman among 9,272 pediatrics physician records in California
Marshall J. Littman, 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 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 updated2011 · 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).
13 pediatrics physician records list a practice address in Poway
They are 13 of the 1,306 NPPES records with a practice address in Poway, and 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 Poway → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Loubaba Adlouni, MDPoway, CA 920641669443685
- Robert Barr, MDPoway, CA 920641477599298
- Neil Goldfinger, MDPoway, CA 920641265408249
- Stuart Graham, MDPoway, CA 920641083680060
- Lynn Herring, MDPoway, CA 920641467426049
- Sonal Khattri, MDPoway, CA 920641013997303
- Christy RobertsPoway, CA 920641770044190
- Cheryl Shanmugam, MDPoway, CA 920641053387134
Common questions
What is Marshall J. Littman, MD's NPI number?
Marshall J. Littman, MD's National Provider Identifier (NPI) is 1578534590, issued on Jan 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marshall J. Littman, MD located?
The NPPES record lists a practice address at 15525 Pomerado RD, Poway, CA, 92064. Phone: (858) 673-3340. Providers update this record themselves, so call before visiting.
How can I verify Marshall J. Littman, MD's license?
NPPES lists California license number G36620, 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.