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

Q: 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.

Q: What is Dainn Woo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dainn Woo was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.

Active since March 28, 2020PECOS Enrolled

8635 W 3RD ST STE 990W, LOS ANGELES, CA 90048(310) 423-5900 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 1, 2026, Jul 14, 2026, Mar 28, 2020 (3 updates tracked since 2020).

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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 ST STE 990WLos Angeles, CA 90048-6116

Mailing Address1670 Manning Ave Apt 201Los Angeles, CA 90024-5894 · (516) 317-0100

Phone(310) 423-5900

Sole ProprietorNo

Enumeration DateMarch 28, 2020

Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 1, 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 STE 990W, Los Angeles, CA 90048

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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 3

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

MEGHAN MCCULLOUGH MD

Orthopaedic Surgery (Hand Surgery)

8635 W 3RD ST STE 990W
LOS ANGELES, CA 90048

Los Angeles County (310) 423-5900

KATHERINE KOLIGIAN

Physician Assistant

8635 W 3RD ST STE 990W
LOS ANGELES, CA 90048

Los Angeles County (310) 423-5900

DR. RAYMOND BENJAMIN RAVEN III MD

Orthopaedic Surgery (Hand Surgery)

8635 W 3RD ST STE 990W
LOS ANGELES, CA 90048

Los Angeles County (310) 423-5900

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 Ste 990W, 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 September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.