IndividualActive
Michele Kastelein, MD
NPI 1265569891 · Internal Medicine Physician · Stanford, CA
Michele Kastelein, MD is a Internal Medicine Physician provider in Stanford, CA (NPI 1265569891).
Provider details
- NPI number
- 1265569891
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G72874 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 498-5710
Approximate (ZIP-level) locationGet directions
Mailing address
2680 Hanover St
Palo Alto, CA 94304-1117
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michele Kastelein's NPI number?
- Michele Kastelein's National Provider Identifier (NPI) is 1265569891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michele Kastelein's specialty?
- Michele Kastelein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michele Kastelein located?
- Michele Kastelein's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Michele Kastelein's phone number?
- The practice phone number listed in the NPPES registry for Michele Kastelein is (650) 498-5710.
- Is Michele Kastelein's NPI active?
- Yes — Michele Kastelein's NPI (1265569891) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.