Diem Tran, O.D.
NPI 1740253590 · Optometrist · Scotts Valley, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diem Tran, O.D. is a Optometrist provider in Scotts Valley, CA (NPI 1740253590).
Provider details
- NPI number
- 1740253590
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- License
- OPT12924T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-02-10
- Last updated
- 2016-08-04
Frequently asked questions
- What is Diem Tran's NPI number?
- Diem Tran's National Provider Identifier (NPI) is 1740253590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diem Tran's specialty?
- Diem Tran is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Diem Tran located?
- Diem Tran's practice location on file with NPPES is 255 Mount Hermon Rd, Scotts Valley, CA 95066-4080.
- What is Diem Tran's phone number?
- The practice phone number listed in the NPPES registry for Diem Tran is (831) 438-5526.
- Does Diem Tran accept Medicare?
- Diem Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diem Tran's NPI active?
- Yes — Diem Tran's NPI (1740253590) is active in the NPPES registry as of the last update on 2016-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.