DR. PATRICK K SIU M.D.
NPI 1629005475
Internal Medicine in Camarillo, CA

Active since June 27, 2006
422 ARNEILL RD STE B, CAMARILLO, CA 93010(805) 383-4510(805) 383-4511 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Internal Medicine

About PATRICK SIU

This page provides the complete NPI Profile along with additional information for Patrick Siu, an internist established in Camarillo, California with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1629005475 assigned on June 2006. The practitioner's primary taxonomy code is 207R00000X with license number G86731 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1629005475 Verify this NPI
Provider Name
DR. PATRICK K SIU M.D.
Gender
Male
Entity Type
Individual
Location Address
422 ARNEILL RD STE B CAMARILLO, CA 93010
Location Phone
(805) 383-4510
Location Fax
(805) 383-4511
Mailing Address
2705 LOMA VISTA RD SUITE 205 VENTURA, CA 93003
Mailing Phone
(805) 667-2801
Mailing Fax
(805) 667-2865
Is Sole Proprietor?
No
Enumeration Date
06-27-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Patrick Siu is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
G86731
License State
CA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207PE0004XAllopathic & Osteopathic Physicians

Emergency Medicine
Emergency Medical Services

MD 4738 (HI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
01348502MEDICAID (05)HI 
RHM08609FMEDICAID (05)CA 
D0014375OTHER (01)HISHIELD/HMSA
050394OTHER (01)CABLUE CROSS
RHM18553HMEDICAID (05)CA 
RHM08608FMEDICAID (05)CA 
ZZT40394FMEDICAID (05)CA 

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Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Pediatrics
422 ARNEILL RD STE B
CAMARILLO, CA 93010
Internal Medicine (Endocrinology, Diabetes & Metabolism)
422 ARNEILL RD STE B
CAMARILLO, CA 93010
Family Medicine
422 ARNEILL RD STE B
CAMARILLO, CA 93010
Family Medicine
422 ARNEILL RD STE B
CAMARILLO, CA 93010
Family Medicine
422 ARNEILL RD STE B
CAMARILLO, CA 93010
Family Medicine
422 ARNEILL RD STE B
CAMARILLO, CA 93010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629005475, enumerated as an "individual" on June 27, 2006.

The provider is located at 422 ARNEILL RD STE B CAMARILLO, CA 93010 and the phone number is (805) 383-4510.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.