KIRSTIN WOO MD
NPI 1023144672
Obstetrics & Gynecology in Los Altos, CA

Q: What is Kirstin Woo's NPI number?

The NPI number for Kirstin Woo is 1023144672. It was assigned to this individual provider in the NPPES registry on February 26, 2007.

Q: What is Kirstin Woo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Kirstin Woo was last updated on May 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since February 26, 2007PECOS EnrolledAccepts Medicare Assignment

370 DISTEL CIR, LOS ALTOS, CA 94022(650) 254-5200 Get Directions Write a Review

NPPES record last updated: May 27, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Kirstin Woo Md NPPES

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

KIRSTIN WOO MD (NPI 1023144672) is an individual obstetrics & gynecology provider in Los Altos, California, licensed in California (A91612) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2003).

NPPES Registry Identity

NPI1023144672

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameKIRSTIN WOOCredential: MD

Location Address370 DISTEL CIRLos Altos, CA 94022-1404

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 254-5200

Phone(650) 254-5200

Sole ProprietorNo

Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2003

Enumeration DateFebruary 26, 2007

Last NPPES UpdateMay 27, 2020

NPPES CertifiedMay 27, 2020

✔ NPI 1023144672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A91612

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

370 DISTEL CIR, Los Altos, CA 94022

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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 and accepts Medicare assignment

Kirstin Woo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325133473

PECOS Enrollment IDI20071003000878

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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

21 services18 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94022 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

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

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.

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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.

DR. RUIXUAN ZHANG DO

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