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LOS ANGELES ORTHOPAEDIC INSTITUTE
NPI 1710941539
Specialist in Palmdale, CA

Active since April 17, 2006
38660 MEDICAL CENTER DRIVE, SUITE A250, PALMDALE, CA 93551(661) 267-7777(661) 267-7101 Get Directions Write a Review

NPPES record last updated: January 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Los Angeles Orthopaedic Institute NPPES

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

LOS ANGELES ORTHOPAEDIC INSTITUTE (NPI 1710941539) is a healthcare organization registered as a specialist in Palmdale, California and active in the NPI registry since April 2006. The organization maintains a secondary practice location in Sherman Oaks and lists Domenick J Sisto, President, as its authorized official.

NPPES Registry Identity

NPI1710941539
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameDOMENICK J SISTO M D INC
Location Address38660 MEDICAL CENTER DRIVE, SUITE A250Palmdale, CA 93551-0000
Mailing Address4955 Van Nuys Blvd, Suite 615Sherman Oaks, CA 91403-1801 · (818) 905-2222 · Fax (818) 905-8702
Phone(661) 267-7777
Fax(661) 267-7101
Organization SubpartNo
Authorized OfficialDomenick J SistoPresident · (818) 905-2222
Enumeration DateApril 17, 2006
Last NPPES UpdateJanuary 27, 2023
NPPES CertifiedJanuary 27, 2023
✔ NPI 1710941539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · 061942-71
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
38660 MEDICAL CENTER DRIVE, Palmdale, CA 93551
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Other Names 1

Doing Business AsLos Angeles Orthopaedic Institute

Secondary Practice Location 1

Location 14955 Van Nuys Blvd, SUITE 615Sherman Oaks, CA 91403-1801 · Phone (818) 905-2222 · Fax (818) 905-8702

Other Identifiers 4

OtherZZZ36984ZCA · Blue Shield -lancaster
OtherZZZ36983ZCA · Blue Shield-sherman Oaks
OtherW11945BCA · Medicare Id-valencia
OtherDA0572CA · Railroad

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Los Angeles Orthopaedic Institute is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Los Angeles Orthopaedic Institute, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians by Medicare Specialty 5

Orthopedic Surgery7
Nurse Practitioner1
Physical Medicine and Rehabilitation1
Podiatry1
Sports Medicine1

Clinicians, nearest first (11)

Jonathan Botts, M.D.
Orthopedic Surgery
NPI 1457506347
4955 VAN NUYS BLVD SUITE 615
Sherman Oaks, CA 91403
(818) 905-2222
✔ PECOS✔ Accepts Medicare34 mi
Richard Nussbaum, M.D.
Orthopedic Surgery
NPI 1972528297
4955 VAN NUYS BLVD SUITE 615
Sherman Oaks, CA 91403
(818) 905-2222
✔ PECOS✔ Accepts Medicare34 mi
Domenick Sisto, M.D.
Orthopedic Surgery
NPI 1568427029
4955 VAN NUYS BLVD SUITE 615
Sherman Oaks, CA 91403
(818) 905-2222
✔ PECOS✔ Accepts Medicare34 mi
Gregg Sobeck, M.D.
Orthopedic Surgery
NPI 1417912270
4955 VAN NUYS BLVD SUITE 615
Sherman Oaks, CA 91403
(818) 905-2222
✔ PECOS✔ Accepts Medicare34 mi
Alireza Nazemi, MD, MS
Orthopedic Surgery
NPI 1447756721
4955 VAN NUYS BLVD STE 615
Sherman Oaks, CA 91403
(818) 905-2222
✔ PECOS✔ Accepts Medicare34 mi
Ehsan Saadat, MD
Orthopedic Surgery
NPI 1972899433
444 S SAN VICENTE BLVD STE 901
Los Angeles, CA 90048
(310) 849-4412
✔ PECOS✔ Accepts Medicare38 mi
Patrick Hill, RN
Nurse Practitioner
NPI 1245192103
150 UCLA MEDICAL PLAZA
Los Angeles, CA 90095
(310) 267-9179
✔ PECOS40 mi
Shrey Kanjiya, M.D.
Sports Medicine
NPI 1104212083
6801 PARK TER # 140
Los Angeles, CA 90045
(310) 665-7200
✔ PECOS✔ Accepts Medicare44 mi
Robert Henry, M.D., M.S.
Physical Medicine and Rehabilitation
NPI 1306970900
558 SAINT CHARLES DR SUITE 200
Thousand Oaks, CA 91360
(805) 379-2322
✔ PECOS✔ Accepts Medicare50 mi
Nasim Kalhor, DPM
Podiatry
NPI 1396708772
2100 SOLAR DR. SUITE # 102
Oxnard, CA 93036
(805) 988-3338
✔ PECOS✔ Accepts Medicare62 mi
Jonathan Berkowitz, MD
Orthopedic Surgery
NPI 1447511753
108 BEACH RD
Great Neck, NY 11023
(718) 470-7000
✔ PECOS2,444 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Domenick J Sisto M D Inc's NPI number?

The NPI number for Domenick J Sisto M D Inc is 1710941539. It was assigned to this organization in the NPPES registry on April 17, 2006. The provider is doing business as Los Angeles Orthopaedic Institute.

Where is Domenick J Sisto M D Inc located?

Domenick J Sisto M D Inc is located at 38660 Medical Center Drive Suite A250, Palmdale, CA 93551. The listed phone number is (661) 267-7777.

What is Domenick J Sisto M D Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Domenick J Sisto M D Inc enrolled in Medicare?

Yes. Domenick J Sisto M D Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Domenick J Sisto M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 5 Medicare specialties reassign their Medicare billing to Domenick J Sisto M D Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Orthopedic Surgery (7), Nurse Practitioner (1) and Physical Medicine and Rehabilitation (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Domenick J Sisto M D Inc was last updated on January 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.