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Orthopaedic Surgery Specialists in Newport Beach, CA

Browse 24 Orthopaedic Surgery providers listed in NPPES with a practice address in Newport Beach, California.

24 Healthcare Providers

How Newport Beach compares with the U.S.

Newport Beach has 29 clinicians in Orthopaedic Surgery per 100,000 residents, 3.9 times the U.S. rate of 7.4.

That is 24 active clinicians in Orthopaedic Surgery with a practice address in Newport Beach, for a population of 83,845.

The California rate is 5.8 per 100,000 residents.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

95% of clinicians in Orthopaedic Surgery in Newport Beach listed in the CMS Medicare file (20 of 21) accept Medicare assignment. That is similar to the California share of 95%.

What is Medicare assignment?

A clinician who accepts Medicare assignment agrees to take the Medicare-approved amount as full payment for services that Original Medicare covers. You usually still pay your deductible and coinsurance. This comes from the CMS Doctors and Clinicians file and applies to Original Medicare only. Medicare Advantage plans have their own provider networks. It does not show whether a clinician is taking new patients.

Some clinicians are listed as "may accept assignment," which means they can decide case by case. Clinicians without an assignment flag, or who are not in the CMS file, are not counted as accepting assignment. That does not mean they refuse Medicare. Ask the office before your visit.

19% of clinicians in Orthopaedic Surgery in Newport Beach listed in the CMS Medicare file (4 of 21) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is lower than the California share of 24%.

About the telehealth indicator

The telehealth indicator comes from CMS. It marks clinicians whose recent paid Medicare claims include services delivered by telehealth. It means a clinician has provided some services by telehealth, not that every visit can be done online. A clinician without the indicator may still offer telehealth, for example to patients who are not on Medicare. Ask the office which visits can be done by video or phone.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Medicare assignment and telehealth indicators: CMS Doctors and Clinicians National Downloadable File. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Orthopaedic Surgery Medicare (PECOS) Enrollment & Ordering Eligibility

Medicare enrollment and order/referring eligibility listed by CMS for Orthopaedic Surgery practitioners in Newport Beach, CA

Source: CMS PECOS
PECOS Enrolled Specialists 22 In Newport Beach, CA
Part B Lab & Imaging Eligible 22 Diagnostic Referrals
DME Ordering Eligible 23 Durable Medical Equipment
Home Health Agency Referrals 22 HHA Ordering Eligible
Showing 1โ€“20 of 24 providers
With recent CMS data first, then Aโ€“Z

Dr. Zachary B Adler , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1396884391
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Dr. Taylor Dunphy , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 92660
Phone: 9497227038
NPI Identifier 1063832277
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Dr. Scott Kevin Forman , MD

Orthopaedic Surgery

Active NPI Status
360 San Miguel Dr, Suite 701, Newport Beach, CA 926607853
Phone: 9497593600
NPI Identifier 1306881842
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Dr. David Gazzaniga , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497337038
NPI Identifier 1720001423
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Dr. Steven Joseph Girdler , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
3501 Jamboree Rd Ste 1250, Newport Beach, CA 926602959
Phone: 5024880050
NPI Identifier 1235628173
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Dr. Theodore K. Gregorius , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
360 San Miguel Dr Ste 701, Newport Beach, CA 926605927
Phone: 9497593600
NPI Identifier 1013950450
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Dr. Victor Hong , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1891350740
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Dr. Michael Douglas Hunter , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1346622040
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Dr. Hafiz Feezer Kassam , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1306371059
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Dr. Warren George Kramer , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1401 Avocado Ave, Suite 307, Newport Beach, CA 926607720
Phone: 9497201944
NPI Identifier 1700997038
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Dr. Vu H Le , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
3300 W Coast Hwy, Newport Beach, CA 926634026
Phone: 9494919991
NPI Identifier 1023274180
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Dr. Corey Michael Lieber , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1104946086
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Dr. Ram Mudiyam , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497225017
NPI Identifier 1417957093
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Dr. Mark Alan Newman , MD

Orthopaedic Surgery

Active NPI Status
351 Hospital Rd, Suite 309, Newport Beach, CA 926633509
Phone: 9496425600
NPI Identifier 1689710360
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Dr. Kasra Rowshan , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
3300 W Coast Hwy Ste A, Newport Beach, CA 926634025
Phone: 9494919991
NPI Identifier 1942463112
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Dr. David Hyunho So , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1487882973
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Myra Trivellas

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1194256818
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Dr. Edward Joseph Troy , MD

Orthopaedic Surgery

Active NPI Status
601 Kings Pl, Newport Beach, CA 926635852
Phone: 9496339951
NPI Identifier 1730392192
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Dr. Ralph James Venuto , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
360 San Miguel Dr, Suite#701, Newport Beach, CA 926607853
Phone: 9497593600
NPI Identifier 1467489138
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Dr. Nicholas Wegner , MD

Orthopaedic Surgery

Active NPI Status Accepts Medicare Assignment
22 Corporate Plaza Dr, Newport Beach, CA 926607985
Phone: 9497227038
NPI Identifier 1699917492
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Frequently Asked Questions about Orthopaedic Surgery in Newport Beach

How do I check a Orthopaedic Surgery practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.