Ronald Katz, M. D.
NPI 1649276577 · Surgery Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Katz, M. D. is a Surgery Physician provider in Newport Beach, CA (NPI 1649276577).
Provider details
- NPI number
- 1649276577
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- License
- G31015 (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
21 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
- 2005-06-24
- Last updated
- 2007-07-09
Frequently asked questions
- What is Ronald Katz's NPI number?
- Ronald Katz's National Provider Identifier (NPI) is 1649276577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Katz's specialty?
- Ronald Katz is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Katz located?
- Ronald Katz's practice location on file with NPPES is 355 Placentia Ave, Newport Beach, CA 92663-3302.
- What is Ronald Katz's phone number?
- The practice phone number listed in the NPPES registry for Ronald Katz is (949) 645-3532.
- Does Ronald Katz accept Medicare?
- Ronald Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Katz's NPI active?
- Yes — Ronald Katz's NPI (1649276577) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.