Tammy Luan MD PC
NPI 1922942812 · Colon & Rectal Surgery Physician · San Diego, CA
Tammy Luan MD PC is a Colon & Rectal Surgery Physician organization in San Diego, CA (NPI 1922942812).
Provider details
- NPI number
- 1922942812
- Entity type
- Organization
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tammy Luan, Owner(408) 621-5095
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Surgery Physician208600000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-04-20
- Last updated
- 2026-04-20
- Certified
- 2026-04-19
Frequently asked questions
- What is Tammy Luan MD PC's NPI number?
- Tammy Luan MD PC's National Provider Identifier (NPI) is 1922942812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tammy Luan MD PC?
- Tammy Luan MD PC is classified in the NPPES registry as Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Luan MD PC located?
- Tammy Luan MD PC's practice location on file with NPPES is 4060 Fourth Ave Ste 510, San Diego, CA 92103-2121.
- What is Tammy Luan MD PC's phone number?
- The practice phone number listed in the NPPES registry for Tammy Luan MD PC is (619) 686-4011.
- Who is the authorized official for Tammy Luan MD PC?
- The authorized official listed on Tammy Luan MD PC's NPPES record is Tammy Luan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tammy Luan MD PC's NPI active?
- Yes — Tammy Luan MD PC's NPI (1922942812) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.