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John Kosters, M.D.
NPI 1902873664 · Anesthesiology Physician · Phoenix, AZ
John Kosters, M.D. is a Anesthesiology Physician provider in Phoenix, AZ (NPI 1902873664).
Provider details
- NPI number
- 1902873664
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 14804 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1625 E Northern Ave
Suite 103
Phoenix, AZ 85020-3960
Phone: (602) 200-9021
Fax: (602) 200-9087
Street-level locationGet directions
Mailing address
5626 E Montecito Ave
Phoenix, AZ 85018-3223
Registry dates
- Enumerated
- 2006-03-02
- Last updated
- 2011-10-11
Frequently asked questions
- What is John Kosters's NPI number?
- John Kosters's National Provider Identifier (NPI) is 1902873664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kosters's specialty?
- John Kosters is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Kosters located?
- John Kosters's practice location on file with NPPES is 1625 E Northern Ave, Phoenix, AZ 85020-3960.
- What is John Kosters's phone number?
- The practice phone number listed in the NPPES registry for John Kosters is (602) 200-9021.
- Is John Kosters's NPI active?
- Yes — John Kosters's NPI (1902873664) is active in the NPPES registry as of the last update on 2011-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.