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Marcus Lai, R.D.
NPI 1144556416 · Registered Dietitian · San Francisco, CA
Marcus Lai, R.D. is a Registered Dietitian provider in San Francisco, CA (NPI 1144556416).
Provider details
- NPI number
- 1144556416
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 988283 (NY)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
1268 42nd Ave
San Francisco, CA 94122-1209
Phone: (415) 218-2778
Street-level locationGet directions
Mailing address
2818 Santiago St
San Francisco, CA 94116-1667
Registry dates
- Enumerated
- 2009-10-21
- Last updated
- 2025-05-08
- Certified
- 2025-05-08
Frequently asked questions
- What is Marcus Lai's NPI number?
- Marcus Lai's National Provider Identifier (NPI) is 1144556416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Lai's specialty?
- Marcus Lai is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marcus Lai located?
- Marcus Lai's practice location on file with NPPES is 1268 42nd Ave, San Francisco, CA 94122-1209.
- What is Marcus Lai's phone number?
- The practice phone number listed in the NPPES registry for Marcus Lai is (415) 218-2778.
- Is Marcus Lai's NPI active?
- Yes — Marcus Lai's NPI (1144556416) is active in the NPPES registry as of the last update on 2025-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.