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Marshall Littman, MD
NPI 1578534590 · Pediatrics Physician · Poway, CA
Marshall Littman, MD is a Pediatrics Physician provider in Poway, CA (NPI 1578534590).
Provider details
- NPI number
- 1578534590
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G36620 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
15525 Pomerado Rd
#b 1
Poway, CA 92064
Phone: (858) 673-3340
Fax: (858) 673-1075
Street-level locationGet directions
Mailing address
3860 Calle Fortunada
San Diego, CA 92123
Registry dates
- Enumerated
- 2006-01-28
- Last updated
- 2011-02-01
Frequently asked questions
- What is Marshall Littman's NPI number?
- Marshall Littman's National Provider Identifier (NPI) is 1578534590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Littman's specialty?
- Marshall Littman is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Littman located?
- Marshall Littman's practice location on file with NPPES is 15525 Pomerado Rd, Poway, CA 92064.
- What is Marshall Littman's phone number?
- The practice phone number listed in the NPPES registry for Marshall Littman is (858) 673-3340.
- Is Marshall Littman's NPI active?
- Yes — Marshall Littman's NPI (1578534590) is active in the NPPES registry as of the last update on 2011-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.