John B Long MD a Professional Corp
NPI 1386711455 · Vascular Surgery Physician · San Francisco, CA
John B Long MD a Professional Corp is a Vascular Surgery Physician organization in San Francisco, CA (NPI 1386711455).
Provider details
- NPI number
- 1386711455
- Entity type
- Organization
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Long, Ceo(415) 750-3887
- License
- G40974 (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
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
- 2006-11-30
- Last updated
- 2008-01-23
Frequently asked questions
- What is John B Long MD a Professional Corp's NPI number?
- John B Long MD a Professional Corp's National Provider Identifier (NPI) is 1386711455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John B Long MD a Professional Corp?
- John B Long MD a Professional Corp is classified in the NPPES registry as Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John B Long MD a Professional Corp located?
- John B Long MD a Professional Corp's practice location on file with NPPES is 3838 California St Rm 612, San Francisco, CA 94118-1508.
- What is John B Long MD a Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for John B Long MD a Professional Corp is (415) 750-3887.
- Who is the authorized official for John B Long MD a Professional Corp?
- The authorized official listed on John B Long MD a Professional Corp's NPPES record is John Long, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John B Long MD a Professional Corp's NPI active?
- Yes — John B Long MD a Professional Corp's NPI (1386711455) is active in the NPPES registry as of the last update on 2008-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.