Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1811518798 Individual Practitioner Female Practitioner

Dr. Nancy Ha , MD

Anesthesiology • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nancy Ha, MD is a certified Anesthesiology practicing in Orange, CA. With approximately 6 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 2020, Dr. Ha delivers high-quality medical care to the local community at 101 THE CITY DR S.

Dr. Ha is affiliated with Regents Of The University Of and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

101 The City Dr S

Orange, CA 928683201

Telephone 7144567890
Associated Practice Facility / Clinic
🏢 The Department Of Psychiatry Facility NPI 1831159003

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Orange, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -12.0 yrs vs City Avg
City Avg: 18.0 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
269 Specialists

Practicing in Orange, CA (7879 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ha (6 Years) 6 Yrs
Orange Specialty Average (18.0 Years) 18.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-09-03
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA A190245

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Hospital & Practice Group Affiliations

Regents Of The University Of

101 The City Dr S, Orange, CA 928683201

Phone: 7144567004

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Isabel Clark , MD

Surgery - Trauma Surgery

NPI 1003262510

Doctor of Medicine (M.D.)

Dr. Antonio Halais Frangieh , MD, MPH

Internal Medicine - Interventional Cardiology

NPI 1003558420

Doctor of Medicine (M.D.), Master of Public Health

Douglas Roszell , RN

Registered Nurse - Administrator

NPI 1003788613

Registered Nurse

Dr. Mark Wylam , MD

Internal Medicine - Critical Care Medicine

NPI 1003880865

Doctor of Medicine (M.D.)

Evan Shih

Internal Medicine

NPI 1013440320
Toyen Yoshizuka , PA-C

Physician Assistant

NPI 1013510825

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location September 03, 2025

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144567890)

📍
Updated Business Mailing Address September 03, 2025

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144567890)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 03, 2025

Anesthesiology (License #A190245 in CA)

NPI Profile Active May 01, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location May 01, 2020

Registered at 9205 SW BARNES RD, PORTLAND, OR 972256603 (Tel: 5032162621)

📍
Updated Business Mailing Address May 01, 2020

Registered at PO BOX 3158, PORTLAND, OR 972083158 (Tel: 5032156494)

👤
Provider Name / Credentials Updated May 01, 2020

Recorded as NANCY HA, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 01, 2020

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 01, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1811518798
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 01, 2020
Last Update: September 03, 2025
Sole Proprietor: Yes

Mailing Address

101 The City Dr S

Orange, CA 928683201

Phone: 7144567890

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.