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Roberto Sinai, M.D.
NPI 1700826997 · Pediatrics Physician · Hayward, CA
Roberto Sinai, M.D. is a Pediatrics Physician provider in Hayward, CA (NPI 1700826997).
Provider details
- NPI number
- 1700826997
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A31686 (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
27303 Sleepy Hollow Avenue
Hayward, CA 94545-4203
Phone: (510) 454-1000
Fax: (510) 784-4974
Street-level locationGet directions
Mailing address
27303 Sleepy Hollow Avenue
Hayward, CA 94545-4203
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2015-05-22
Frequently asked questions
- What is Roberto Sinai's NPI number?
- Roberto Sinai's National Provider Identifier (NPI) is 1700826997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberto Sinai's specialty?
- Roberto Sinai is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Roberto Sinai located?
- Roberto Sinai's practice location on file with NPPES is 27303 Sleepy Hollow Avenue, Hayward, CA 94545-4203.
- What is Roberto Sinai's phone number?
- The practice phone number listed in the NPPES registry for Roberto Sinai is (510) 454-1000.
- Is Roberto Sinai's NPI active?
- Yes — Roberto Sinai's NPI (1700826997) is active in the NPPES registry as of the last update on 2015-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.