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Active NPI 1902166531 Individual Practitioner Male Practitioner

Dr. William Peter Sim , MD

Internal Medicine • Cerritos, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. William Sim, MD is a certified Internal Medicine practicing in Cerritos, CA. With approximately 14 years of clinical experience since graduating from Un Of California, Irvine, College Of Medicine in 2012, Dr. Sim delivers high-quality medical care to the local community at 10820 183RD ST.

Dr. Sim is affiliated with Southern California Permanente Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Practice Location & Contact Primary Location

Practice Address

10820 183rd St
Dept Of Internal Medicine

Cerritos, CA 907038013

Telephone 5626535000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Un Of California, Irvine, College Of Medicine

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Cerritos, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
14 Yrs -10.5 yrs vs City Avg
City Avg: 24.5 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
23 Specialists

Practicing in Cerritos, CA (18502 Statewide)

Telehealth Adoption Rate
13.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sim (14 Years) 14 Yrs
Cerritos Specialty Average (24.5 Years) 24.5 Yrs

Medical Specialties & State Licenses

CMS Verified: 2021-12-07
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A130389

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Southern California Permanente Medical Group

9333 Rosecrans Ave, Bellflower, CA 907062141

Phone: 5624613000

Southern California Permanente Medical Group

9449 Imperial Hwy, Downey, CA 902422814

Phone: 5624613000

Practice Associates & Co-Workers

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

9 Associated Practitioners
Dr. Lynda Ngo , MD

Internal Medicine

NPI 1053732636

Doctor of Medicine (M.D.)

Shawn Pfendler , MHA

Technician, Health Information

NPI 1073400511
Mayur Patel

Pharmacist

NPI 1265971923
NPI 1407395908

Registered Pharmacist

Dr. Joyce Chou , MD

Internal Medicine

NPI 1497017503

Doctor of Medicine (M.D.)

Dr. Denise Park , MD

Internal Medicine

NPI 1518015338

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 10, 2021

Student in an Organized Health Care Education/Training Program

NPI Profile Active October 22, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location October 22, 2015

Registered at 10820 183RD ST, DEPT OF INTERNAL MEDICINE, CERRITOS, CA 907038013 (Tel: 5626535000)

📍
Updated Business Mailing Address October 22, 2015

Registered at 10820 183RD ST, DEPT OF INTERNAL MEDICINE, CERRITOS, CA 907038013 (Tel: 5626535000)

👤
Provider Name / Credentials Updated October 22, 2015

Recorded as WILLIAM SIM, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 22, 2015

Internal Medicine (License #A130389 in CA)

🟢
Initial NPI Registration & Enumeration May 16, 2012

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: 1902166531
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 16, 2012
Last Update: December 10, 2021
Sole Proprietor: Yes

Mailing Address

10820 183rd St, Dept Of Internal Medicine

Cerritos, CA 907038013

Phone: 5626535000

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.