Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DAINN WOO MD
NPI 1750919593
Orthopaedic Surgery - Hand Surgery in Los Angeles, CA

Active since March 28, 2020PECOS Enrolled
8635 W 3RD ST, LOS ANGELES, CA 90048(310) 423-5900 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 14, 2026, Mar 28, 2020 (2 updates tracked since 2020).

About Dainn Woo Md NPPES

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

DAINN WOO MD (NPI 1750919593) is an individual hand surgery provider in Los Angeles, California, licensed in California (A202830) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750919593
Entity TypeIndividualFemale
Primary Taxonomy207XS0106X
Provider Legal NameDAINN WOOCredential: MD
Location Address8635 W 3RD STLos Angeles, CA 90048-6101
Mailing Address1670 Manning Ave Apt 201Los Angeles, CA 90024-5894 · (516) 317-0100
Sole ProprietorNo
Enumeration DateMarch 28, 2020
Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
NPI 1750919593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0106X
License Licensed in CA · A202830
Definition
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
8635 W 3RD ST, Los Angeles, CA 90048

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dainn Woo Md 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 90048 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.

Physical Therapist
8635 W 3RD ST, SUITE 465W
LOS ANGELES, CA 90048
Internal Medicine (Gastroenterology)
8635 W 3RD ST, SUITE #880
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, 890W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, 450W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 460W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Surgery (Surgical Critical Care)
8635 W 3RD ST, SUITE 650W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, SUITE 890W
LOS ANGELES, CA 90048

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 Dainn Woo's NPI number?

The NPI number for Dainn Woo is 1750919593. It was assigned to this individual provider in the NPPES registry on March 28, 2020.

Where is Dainn Woo located?

Dainn Woo practices at 8635 W 3rd St, Los Angeles, CA 90048. The listed phone number is (310) 423-5900.

What is Dainn Woo's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is Dainn Woo enrolled in Medicare?

Yes. Dainn Woo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Dainn Woo was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.