Ernest I Katsuyama, M.D., Inc.
NPI 1922031194 · Anesthesiology Physician · Whittier, CA
Ernest I Katsuyama, M.D., Inc. is a Anesthesiology Physician organization in Whittier, CA (NPI 1922031194).
Provider details
- NPI number
- 1922031194
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ernest Katsuyama, Sole Owner(800) 883-7243
- License
- G7895 (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
- 2006-07-09
- Last updated
- 2020-08-22
Frequently asked questions
- What is Ernest I Katsuyama, M.D., Inc.'s NPI number?
- Ernest I Katsuyama, M.D., Inc.'s National Provider Identifier (NPI) is 1922031194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ernest I Katsuyama, M.D., Inc.?
- Ernest I Katsuyama, M.D., Inc. is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest I Katsuyama, M.D., Inc. located?
- Ernest I Katsuyama, M.D., Inc.'s practice location on file with NPPES is 12401 Washington Blvd, Whittier, CA 90602-1006.
- What is Ernest I Katsuyama, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Ernest I Katsuyama, M.D., Inc. is (562) 698-0811.
- Who is the authorized official for Ernest I Katsuyama, M.D., Inc.?
- The authorized official listed on Ernest I Katsuyama, M.D., Inc.'s NPPES record is Ernest Katsuyama, Sole Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ernest I Katsuyama, M.D., Inc.'s NPI active?
- Yes — Ernest I Katsuyama, M.D., Inc.'s NPI (1922031194) 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.