Tiana Guillaume
NPI 1902339203 · Obstetrics & Gynecology Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiana Guillaume is a Obstetrics & Gynecology Physician provider in Loma Linda, CA (NPI 1902339203).
Provider details
- NPI number
- 1902339203
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A157210 (CA)
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
9 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
- 2017-04-04
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Tiana Guillaume's NPI number?
- Tiana Guillaume's National Provider Identifier (NPI) is 1902339203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiana Guillaume's specialty?
- Tiana Guillaume is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Tiana Guillaume located?
- Tiana Guillaume's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
- What is Tiana Guillaume's phone number?
- The practice phone number listed in the NPPES registry for Tiana Guillaume is (909) 651-5510.
- Does Tiana Guillaume accept Medicare?
- Tiana Guillaume is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiana Guillaume's NPI active?
- Yes — Tiana Guillaume's NPI (1902339203) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.