Anthony Koo, MD
NPI 1982897146 · Anesthesiology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Koo, MD is a Anesthesiology Physician provider in Phoenix, AZ (NPI 1982897146).
Provider details
- NPI number
- 1982897146
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 46139 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1000 N Oak AveMarshfield, WI 54449-5703Phone: (715) 387-5511
Registry dates
- Enumerated
- 2007-08-21
- Last updated
- 2026-04-02
- Certified
- 2026-04-02
Frequently asked questions
- What is Anthony Koo's NPI number?
- Anthony Koo's National Provider Identifier (NPI) is 1982897146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Koo's specialty?
- Anthony Koo is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Koo located?
- Anthony Koo's practice location on file with NPPES is 1919 E Thomas Rd, Phoenix, AZ 85016-7710.
- What is Anthony Koo's phone number?
- The practice phone number listed in the NPPES registry for Anthony Koo is (602) 933-1000.
- Does Anthony Koo accept Medicare?
- Anthony Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Koo's NPI active?
- Yes — Anthony Koo's NPI (1982897146) is active in the NPPES registry as of the last update on 2026-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.