Ann Mullally, MD
NPI 1679563910 · Hematology & Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Mullally, MD is a Hematology & Oncology Physician provider in Stanford, CA (NPI 1679563910).
Provider details
- NPI number
- 1679563910
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 226952 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 44 Binney StDana Farber Cancer InstituteBoston, MA 02115-6013Phone: (617) 355-9060
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Ann Mullally's NPI number?
- Ann Mullally's National Provider Identifier (NPI) is 1679563910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Mullally's specialty?
- Ann Mullally is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Mullally located?
- Ann Mullally's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ann Mullally's phone number?
- The practice phone number listed in the NPPES registry for Ann Mullally is (650) 723-4000.
- Does Ann Mullally accept Medicare?
- Ann Mullally is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Mullally's NPI active?
- Yes — Ann Mullally's NPI (1679563910) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.