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Deactivated NPI 1245554641 Deactivated / Inactive NPI Male Practitioner

Dr. Arnold Hillard Derwin , MD

Internal Medicine • Studio City, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Arnold Derwin has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date March 15, 2010
NPI Deactivation Date January 28, 2022
Total Practice Duration ~12 Years of Practice (2010 – 2022)

Professional Overview & Biography Verified Profile Summary

Dr. Arnold Derwin, MD was a registered Internal Medicine practicing in Studio City, CA. Throughout an active medical career spanning 12 years, Dr. Derwin provided care at the practice location at 11419 DONA LOLA DR until profile deactivation on 2022-01-28.

Practice Location & Contact Primary Location

Practice Address

11419 Dona Lola Dr

Studio City, CA 91604

Telephone 3236540633

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Studio City, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 21.0 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
9 Specialists

Practicing in Studio City, CA (18502 Statewide)

Telehealth Adoption Rate
22.2% 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

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA G4858

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.

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated January 28, 2022

Record deactivated on January 28, 2022

NPI Profile Active March 15, 2010

NPI status registered as active in NPPES database

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Updated Practice Location March 15, 2010

Registered at 11419 DONA LOLA DR, STUDIO CITY, CA 91604 (Tel: 3236540633)

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Updated Business Mailing Address March 15, 2010

Registered at 11419 DONA LOLA DR, STUDIO CITY, CA 91604 (Tel: 3236540633)

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Provider Name / Credentials Updated March 15, 2010

Recorded as ARNOLD DERWIN, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) March 15, 2010

Internal Medicine (License #G4858 in CA)

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Initial NPI Registration & Enumeration March 15, 2010

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: 1245554641
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 15, 2010
Last Update: March 15, 2010
Deactivation Date: January 28, 2022

Mailing Address

11419 Dona Lola Dr

Studio City, CA 91604

Phone: 3236540633

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.