Mark Farnum, M.D., a Professional Corporation
NPI 1417918715 · Anesthesiology Physician · Westlake Village, CA
Mark Farnum, M.D., a Professional Corporation is a Anesthesiology Physician organization in Westlake Village, CA (NPI 1417918715).
Provider details
- NPI number
- 1417918715
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Farnum, Direct Owner(818) 888-7815
- License
- G42109 (CA)
Specialties & taxonomies
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
20 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
- 2006-03-28
- Last updated
- 2008-09-03
Frequently asked questions
- What is Mark Farnum, M.D., a Professional Corporation's NPI number?
- Mark Farnum, M.D., a Professional Corporation's National Provider Identifier (NPI) is 1417918715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Farnum, M.D., a Professional Corporation?
- Mark Farnum, M.D., a Professional Corporation is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Farnum, M.D., a Professional Corporation located?
- Mark Farnum, M.D., a Professional Corporation's practice location on file with NPPES is 696 Hampshire Rd, Westlake Village, CA 91361-2699.
- What is Mark Farnum, M.D., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Mark Farnum, M.D., a Professional Corporation is (805) 413-7920.
- Who is the authorized official for Mark Farnum, M.D., a Professional Corporation?
- The authorized official listed on Mark Farnum, M.D., a Professional Corporation's NPPES record is Mark Farnum, Direct Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Farnum, M.D., a Professional Corporation's NPI active?
- Yes — Mark Farnum, M.D., a Professional Corporation's NPI (1417918715) is active in the NPPES registry as of the last update on 2008-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.