Douglas Blayney, MD
NPI 1811073877 · Medical Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Blayney, MD is a Medical Oncology Physician provider in Stanford, CA (NPI 1811073877).
Provider details
- NPI number
- 1811073877
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301081308 (MI)
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
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
- 2006-10-31
- Last updated
- 2016-06-07
Frequently asked questions
- What is Douglas Blayney's NPI number?
- Douglas Blayney's National Provider Identifier (NPI) is 1811073877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Blayney's specialty?
- Douglas Blayney is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Blayney located?
- Douglas Blayney's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Douglas Blayney's phone number?
- The practice phone number listed in the NPPES registry for Douglas Blayney is (650) 723-4000.
- Does Douglas Blayney accept Medicare?
- Douglas Blayney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Blayney's NPI active?
- Yes — Douglas Blayney's NPI (1811073877) is active in the NPPES registry as of the last update on 2016-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.