Onuma and Lee Md'S
NPI 1427054733 · Gastroenterology Physician · San Mateo, CA
Onuma and Lee Md'S is a Gastroenterology Physician organization in San Mateo, CA (NPI 1427054733).
Provider details
- NPI number
- 1427054733
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Edward Onuma, Partner(650) 342-7432
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
Mailing address
Registry dates
- Enumerated
- 2005-06-22
- Last updated
- 2011-03-15
Frequently asked questions
- What is Onuma and Lee Md'S's NPI number?
- Onuma and Lee Md'S's National Provider Identifier (NPI) is 1427054733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Onuma and Lee Md'S?
- Onuma and Lee Md'S is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Onuma and Lee Md'S located?
- Onuma and Lee Md'S's practice location on file with NPPES is 100 South Ellsworth Avenue, San Mateo, CA 94401-2708.
- What is Onuma and Lee Md'S's phone number?
- The practice phone number listed in the NPPES registry for Onuma and Lee Md'S is (650) 342-7432.
- Who is the authorized official for Onuma and Lee Md'S?
- The authorized official listed on Onuma and Lee Md'S's NPPES record is Edward Onuma, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Onuma and Lee Md'S's NPI active?
- Yes — Onuma and Lee Md'S's NPI (1427054733) is active in the NPPES registry as of the last update on 2011-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.