Barbara Callahan
NPI 1871622613 · Internal Medicine Physician · West Hills, CA
Barbara Callahan is a Internal Medicine Physician organization in West Hills, CA (NPI 1871622613).
Provider details
- NPI number
- 1871622613
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Barbara Callahan, Owner(818) 227-0070
- License
- C41130 (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
- 2007-03-05
- Last updated
- 2020-08-22
Frequently asked questions
- What is Barbara Callahan's NPI number?
- Barbara Callahan's National Provider Identifier (NPI) is 1871622613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Barbara Callahan?
- Barbara Callahan is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Callahan located?
- Barbara Callahan's practice location on file with NPPES is 7301 Medical Center Dr, West Hills, CA 91307-1904.
- What is Barbara Callahan's phone number?
- The practice phone number listed in the NPPES registry for Barbara Callahan is (818) 227-0070.
- Who is the authorized official for Barbara Callahan?
- The authorized official listed on Barbara Callahan's NPPES record is Barbara Callahan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Barbara Callahan's NPI active?
- Yes — Barbara Callahan's NPI (1871622613) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.