Tamara Dunn, M.D.
NPI 1689854416 · Hematology (Internal Medicine) Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tamara Dunn, M.D. is a Hematology (Internal Medicine) Physician provider in Palo Alto, CA (NPI 1689854416).
Provider details
- NPI number
- 1689854416
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A100875 (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
18 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
- 2007-11-08
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Tamara Dunn's NPI number?
- Tamara Dunn's National Provider Identifier (NPI) is 1689854416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamara Dunn's specialty?
- Tamara Dunn is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Tamara Dunn located?
- Tamara Dunn's practice location on file with NPPES is 300 Pasteur Dr, Palo Alto, CA 94305-2200.
- What is Tamara Dunn's phone number?
- The practice phone number listed in the NPPES registry for Tamara Dunn is (650) 723-4000.
- Does Tamara Dunn accept Medicare?
- Tamara Dunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tamara Dunn's NPI active?
- Yes — Tamara Dunn's NPI (1689854416) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.