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Active NPI 1073729588 Individual Practitioner Male Practitioner

Dr. Derek T Phan , MD

Internal Medicine • Westminster, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Derek Phan, MD is a certified Internal Medicine practicing in Westminster, CA. With approximately 21 years of clinical experience since graduating from New York Medical College in 2005, Dr. Phan delivers high-quality medical care to the local community at 9191 BOLSA AVE STE 205.

Dr. Phan accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9191 Bolsa Ave Ste 205

Westminster, CA 926835561

Telephone 7148917035
Associated Practice Facility / Clinic
🏢 Khanh G Pham, Md Inc Facility NPI 1154591766

Medicare Profile & Education

Medical School

New York Medical College

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Westminster, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs -12.3 yrs vs City Avg
City Avg: 33.3 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
45 Specialists

Practicing in Westminster, CA (18502 Statewide)

Telehealth Adoption Rate
26.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
1.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Phan (21 Years) 21 Yrs
Westminster Specialty Average (33.3 Years) 33.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
23 21 $81.30 $79.92

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A99908

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners
Dr. Khanh Pham , MD

Family Medicine

NPI 1437160439

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active October 07, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location October 07, 2009

Registered at 9191 BOLSA AVE STE 205, WESTMINSTER, CA 926835561 (Tel: 7148917035)

📍
Updated Business Mailing Address October 07, 2009

Registered at 9191 BOLSA AVE STE 205, WESTMINSTER, CA 926835561 (Tel: 7148917035)

👤
Provider Name / Credentials Updated October 07, 2009

Recorded as DEREK PHAN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 07, 2009

Internal Medicine (License #A99908 in CA)

🟢
Initial NPI Registration & Enumeration May 14, 2007

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: 1073729588
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 14, 2007
Last Update: October 07, 2009
Sole Proprietor: Yes

Mailing Address

9191 Bolsa Ave Ste 205

Westminster, CA 926835561

Phone: 7148917035

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.