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Active NPI 1013440320 Individual Practitioner Male Practitioner

Evan Shih

Internal Medicine • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Evan Shih is a certified Internal Medicine practicing in Orange, CA. With approximately 9 years of clinical experience since graduating from University Of California, Geffen School Of Medicine in 2017, Evan Shih delivers high-quality medical care to the local community at 101 THE CITY DR S.

Evan Shih is affiliated with The Regents Of The University Of California-Irvine and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service);, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

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 California, Geffen School Of Medicine

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Orange, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -7.9 yrs vs City Avg
City Avg: 16.9 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
190 Specialists

Practicing in Orange, CA (18502 Statewide)

Telehealth Adoption Rate
23.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
85.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Shih (9 Years) 9 Yrs
Orange Specialty Average (16.9 Years) 16.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
305 133 $680.00 $122.43
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th
110 70 $134.35 $31.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
93 59 $470.00 $81.56
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
88 88 $1320.00 $179.07
99239 Hospital discharge day management, more than 30 minutes
59 56 $573.00 $119.63
76937 Ultrasonic guidance for blood vessel access
42 39 $69.29 $14.06
36410 Insertion of needle into vein, patient 3 years or older
39 36 $104.00 $8.98
99291 Critical care, first 30-74 minutes
29 26 $1800.00 $212.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
11 11 $890.00 $135.32

Medical Specialties & State Licenses

CMS Verified: 2025-06-03
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA 161506

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

The Regents Of The University Of California-Irvine

101 The City Dr S, Orange, CA 928683201

Phone: 7144567890

Secondary Practice Locations

757 Westwood Plz

Los Angeles, CA 900958358

Phone: 3108257375

200 Medical Plaza Ste 420

Los Angeles, CA 900958358

Phone: 3102066232

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.)

Toyen Yoshizuka , PA-C

Physician Assistant

NPI 1013510825

Physician Assistant (Certified)

NPI 1013560812

Doctor of Medicine (M.D.), Master of Science

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location June 03, 2025

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

📍
Updated Practice Location October 12, 2020

Registered at 200 MEDICAL PLAZA STE 420, LOS ANGELES, CA 900958358 (Tel: 3102066232)

📍
Updated Business Mailing Address October 12, 2020

Registered at 5767 W CENTURY BLVD STE 400, LOS ANGELES, CA 900455631 (Tel: 3103018771)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2020

Internal Medicine (License #161506 in CA)

NPI Profile Active April 04, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 04, 2017

Registered at 757 WESTWOOD PLZ, LOS ANGELES, CA 900958358 (Tel: 3108257375)

📍
Updated Business Mailing Address April 04, 2017

Registered at 6 WAKEFIELD, IRVINE, CA 926203288 (Tel: 9497480934)

👤
Provider Name / Credentials Updated April 04, 2017

Recorded as EVAN SHIH

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 04, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 04, 2017

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: 1013440320
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 04, 2017
Last Update: June 03, 2025
Sole Proprietor: No

Mailing Address

5767 W Century Blvd Ste 400

Los Angeles, CA 900455631

Phone: 3103018771

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.