Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1134323934 Individual Practitioner Male Practitioner

Dr. Brett Marar Chamberlin , MD

Internal Medicine • Oceanside, CA

Professional Overview & Biography Verified Profile Summary

Dr. Brett Chamberlin, MD is a registered healthcare professional specializing in Internal Medicine in Oceanside, CA. Practice services are available at 200 MERCY CIRCLE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

200 Mercy Circle

Oceanside, CA 92055

Telephone 7607251288
Associated Practice Facility / Clinic
🏢 Nh Guam Facility NPI 1639127509

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Oceanside, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 20.5 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
30 Specialists

Practicing in Oceanside, CA (18502 Statewide)

Telehealth Adoption Rate
16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2022-05-23
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA 105614

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

40 Associated Practitioners
Paimon Ameli

Psychiatry & Neurology - Psychiatry

NPI 1003379249
Alexander Nelson , PA-C

Physician Assistant

NPI 1023724465

Physician Assistant (Certified)

Dr. Ella Schultz , DO

Student in an Organized Health Care Education/Training Program

NPI 1023851318

Doctor of Osteopathic Medicine (D.O.)

Shunda Mcginest , RN

Registered Nurse - Case Management

NPI 1033447123

Registered Nurse

Dr. Zechariah Brooke , MD

Military Health Care Provider

NPI 1053066407

Doctor of Medicine (M.D.)

Cortes Jongjaroenlarp

Military Health Care Provider

NPI 1053106971

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location October 20, 2023

Registered at 200 MERCY CIRCLE, OCEANSIDE, CA 92055 (Tel: 7607251288)

📍
Updated Business Mailing Address October 20, 2023

Registered at PSC 455 BOX 208, FPO, AP 965400003

NPI Profile Active December 20, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location December 20, 2016

Registered at 34800 BOB WILSON DR, NMCSD, SAN DIEGO, CA 921341098 (Tel: 6198657436)

📍
Updated Business Mailing Address December 20, 2016

Registered at 34800 BOB WILSON DR, SAN DIEGO, CA 921341098 (Tel: 6195326400)

👤
Provider Name / Credentials Updated December 20, 2016

Recorded as BRETT CHAMBERLIN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 20, 2016

Internal Medicine (License #105614 in CA)

🟢
Initial NPI Registration & Enumeration June 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: 1134323934
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 14, 2007
Last Update: October 20, 2023
Sole Proprietor: Yes

Mailing Address

Psc 455 Box 208

Fpo, AP 965400003

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.