T. Craig Williams M D a Prof Corp
NPI 1972630267 · Pulmonary Disease Physician · San Leandro, CA
T. Craig Williams M D a Prof Corp is a Pulmonary Disease Physician organization in San Leandro, CA (NPI 1972630267).
Provider details
- NPI number
- 1972630267
- Entity type
- Organization
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Williams, President(510) 357-6579
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Pulmonary Disease Physician207RP1001X
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
Other names (DBA / former)
- Doing business as
- T.craig Williams M D a Prof Corp
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2017-12-15
Frequently asked questions
- What is T. Craig Williams M D a Prof Corp's NPI number?
- T. Craig Williams M D a Prof Corp's National Provider Identifier (NPI) is 1972630267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is T. Craig Williams M D a Prof Corp?
- T. Craig Williams M D a Prof Corp is classified in the NPPES registry as Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is T. Craig Williams M D a Prof Corp located?
- T. Craig Williams M D a Prof Corp's practice location on file with NPPES is 13855 E 14th St, San Leandro, CA 94578-2611.
- What is T. Craig Williams M D a Prof Corp's phone number?
- The practice phone number listed in the NPPES registry for T. Craig Williams M D a Prof Corp is (510) 357-6579.
- Who is the authorized official for T. Craig Williams M D a Prof Corp?
- The authorized official listed on T. Craig Williams M D a Prof Corp's NPPES record is Thomas Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is T. Craig Williams M D a Prof Corp's NPI active?
- Yes — T. Craig Williams M D a Prof Corp's NPI (1972630267) is active in the NPPES registry as of the last update on 2017-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.