OrganizationActive
John Daniel Cowan MD Ltd
NPI 1184894933 · Anesthesiology Physician · Irvine, CA
John Daniel Cowan MD Ltd is a Anesthesiology Physician organization in Irvine, CA (NPI 1184894933).
Provider details
- NPI number
- 1184894933
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Cowan, President(760) 872-7788
- License
- C50218 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
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
5 Holland Ste 101
Irvine, CA 92618-2568
Phone: (949) 588-2199
Fax: (949) 588-2199
Approximate (ZIP-level) locationGet directions
Mailing address
5 Holland Ste 101
Irvine, CA 92618-2568
Registry dates
- Enumerated
- 2008-03-07
- Last updated
- 2008-03-07
Frequently asked questions
- What is John Daniel Cowan MD Ltd's NPI number?
- John Daniel Cowan MD Ltd's National Provider Identifier (NPI) is 1184894933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Daniel Cowan MD Ltd?
- John Daniel Cowan MD Ltd is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Daniel Cowan MD Ltd located?
- John Daniel Cowan MD Ltd's practice location on file with NPPES is 5 Holland Ste 101, Irvine, CA 92618-2568.
- What is John Daniel Cowan MD Ltd's phone number?
- The practice phone number listed in the NPPES registry for John Daniel Cowan MD Ltd is (949) 588-2199.
- Who is the authorized official for John Daniel Cowan MD Ltd?
- The authorized official listed on John Daniel Cowan MD Ltd's NPPES record is John Cowan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Daniel Cowan MD Ltd's NPI active?
- Yes — John Daniel Cowan MD Ltd's NPI (1184894933) is active in the NPPES registry as of the last update on 2008-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.