Tarannum Guller, MD
NPI 1972532083 · Internal Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tarannum Guller, MD is a Internal Medicine Physician provider in Walnut Creek, CA (NPI 1972532083).
Provider details
- NPI number
- 1972532083
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A89244 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-01
- Last updated
- 2025-01-07
- Certified
- 2025-01-07
Frequently asked questions
- What is Tarannum Guller's NPI number?
- Tarannum Guller's National Provider Identifier (NPI) is 1972532083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tarannum Guller's specialty?
- Tarannum Guller is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tarannum Guller located?
- Tarannum Guller's practice location on file with NPPES is 2637 Shadelands Dr, Walnut Creek, CA 94598-2512.
- What is Tarannum Guller's phone number?
- The practice phone number listed in the NPPES registry for Tarannum Guller is (925) 932-6330.
- Does Tarannum Guller accept Medicare?
- Tarannum Guller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tarannum Guller's NPI active?
- Yes — Tarannum Guller's NPI (1972532083) is active in the NPPES registry as of the last update on 2025-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.