William J Mcallister Jr MD a Professional Corporation
NPI 1629267059 · Internal Medicine Physician · Corte Madera, CA
William J Mcallister Jr MD a Professional Corporation is a Internal Medicine Physician organization in Corte Madera, CA (NPI 1629267059).
Provider details
- NPI number
- 1629267059
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Mcallister, President(415) 924-5018
- License
- G18899 (CA)
Specialties & taxonomies
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
- 2007-10-22
- Last updated
- 2020-07-23
- Certified
- 2020-07-23
Frequently asked questions
- What is William J Mcallister Jr MD a Professional Corporation's NPI number?
- William J Mcallister Jr MD a Professional Corporation's National Provider Identifier (NPI) is 1629267059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William J Mcallister Jr MD a Professional Corporation?
- William J Mcallister Jr MD a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William J Mcallister Jr MD a Professional Corporation located?
- William J Mcallister Jr MD a Professional Corporation's practice location on file with NPPES is 21 Tamal Vista Blvd Ste 110, Corte Madera, CA 94925-1122.
- What is William J Mcallister Jr MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for William J Mcallister Jr MD a Professional Corporation is (415) 924-5010.
- Who is the authorized official for William J Mcallister Jr MD a Professional Corporation?
- The authorized official listed on William J Mcallister Jr MD a Professional Corporation's NPPES record is William Mcallister, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William J Mcallister Jr MD a Professional Corporation's NPI active?
- Yes — William J Mcallister Jr MD a Professional Corporation's NPI (1629267059) is active in the NPPES registry as of the last update on 2020-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.