1. Home
  2. Directory
  3. California
  4. Walnut Creek
  5. Emergency Medicine
  6. NPI Profile

HAROLD S. WOO DO
NPI 1477627784
Emergency Medicine in Walnut Creek, CA

Active since November 20, 2006PECOS Enrolled
324 CONIFER CT, WALNUT CREEK, CA 94598(925) 708-2038 Get Directions Write a Review

NPPES record last updated: November 30, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Harold S. Woo Do NPPES

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

HAROLD S. WOO DO (NPI 1477627784) is an individual emergency medicine provider in Walnut Creek, California, licensed in California (20A9500) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477627784
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameHAROLD S. WOOCredential: DO
Location Address324 CONIFER CTWalnut Creek, CA 94598-2614
Mailing Address324 Conifer CtWalnut Creek, CA 94598-2614 · (925) 708-2038
Phone(925) 708-2038
Sole ProprietorYes
Enumeration DateNovember 20, 2006
Last NPPES UpdateNovember 30, 2010
✔ NPI 1477627784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · 20A9500
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
324 CONIFER CT, Walnut Creek, CA 94598
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type Unspecified020A95000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Harold S. Woo Do 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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
93 services91 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
51 services51 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
17 services17 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Harold Woo's NPI number?

The NPI number for Harold Woo is 1477627784. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Harold Woo located?

Harold Woo practices at 324 Conifer Ct, Walnut Creek, CA 94598. The listed phone number is (925) 708-2038.

What is Harold Woo's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Harold Woo enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Harold Woo was last updated on November 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.