1. Home
  2. Directory
  3. California
  4. Newport Beach
  5. Surgery
  6. NPI Profile

DR. RONALD LOUISE KATZ M. D.
NPI 1649276577
Surgery in Newport Beach, CA

Active since June 24, 2005PECOS Enrolled
355 PLACENTIA AVE, STE 208, NEWPORT BEACH, CA 92663(949) 645-3532(949) 645-3985 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Ronald Louise Katz M. D. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD LOUISE KATZ M. D. (NPI 1649276577) is an individual surgery provider in Newport Beach, California, licensed in California (G31015) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649276577
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. RONALD LOUISE KATZCredential: M. D.
Location Address355 PLACENTIA AVE, STE 208Newport Beach, CA 92663-3302
Mailing Address355 Placentia Ave, Ste 208Newport Beach, CA 92663-3302 · (949) 645-3532 · Fax (949) 645-3985
Phone(949) 645-3532
Fax(949) 645-3985
Sole ProprietorNo
Enumeration DateJune 24, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1649276577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · G31015
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
355 PLACENTIA AVE, Newport Beach, CA 92663
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ronald Louise Katz M. D. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NEWPORT BEACH COMPREHENSIVE CARE MEDICAL GROUP, INC
Internal Medicine
355 PLACENTIA AVE, SUITE 102
NEWPORT BEACH, CA 92663
Orange County (949) 574-1091
BINH T. NGO, DERMATOLOGY, P.C.
Dermatology
355 PLACENTIA AVE, SUITE 308
NEWPORT BEACH, CA 92663
Orange County (213) 804-9778
MEDICAL AYURVEDA REJUVENATION CENTER A MEDICAL CORPORATION
Clinic/Center (Health Service)
355 PLACENTIA AVE, SUITE 201
NEWPORT BEACH, CA 92663
Orange County (949) 644-4566
DR. JOHN G MILLER MD
Family Medicine
355 PLACENTIA AVE, SUITE 103
NEWPORT BEACH, CA 92663
Orange County (949) 645-6412
AMIT SHAH DDS INC
Dentist (General Practice)
355 PLACENTIA AVE, # 205
NEWPORT BEACH, CA 92663
Orange County (949) 646-0818
DR. DAVID BENVENUTI MD
Surgery (Plastic and Reconstructive Surgery)
355 PLACENTIA AVE, SUITES 99 AND 104
NEWPORT BEACH, CA 92663
Orange County (949) 650-2345
DAVID BENVENUTI, M.D. F.A.C.S.
Clinic/Center (Ambulatory Surgical)
355 PLACENTIA AVE, #104
NEWPORT BEACH, CA 92663
Orange County (949) 650-2345
NEWPORT CARDIOVASCULAR ASSOCIATES
Internal Medicine (Cardiovascular Disease)
355 PLACENTIA AVE, SUITE 100
NEWPORT BEACH, CA 92663
Orange County (949) 650-4322

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Katz's NPI number?

The NPI number for Ronald Katz is 1649276577. It was assigned to this individual provider in the NPPES registry on June 24, 2005.

Where is Ronald Katz located?

Ronald Katz practices at 355 Placentia Ave Ste 208, Newport Beach, CA 92663. The listed phone number is (949) 645-3532.

What is Ronald Katz's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ronald Katz enrolled in Medicare?

Yes. Ronald Katz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ronald Katz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.