DAVID D. CHI, M.D., F.A.C.S., A MEDICAL CORP.
NPI 1154649796
Surgery - Surgical Oncology in Thousand Oaks, CA

NPI Status: Active since May 06, 2010

Contact Information

555 MARIN STREET
SUITE 210
THOUSAND OAKS, CA
ZIP 91360
Phone: (805) 497-7785
Fax: (805) 497-7728

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  • Organization
  • Surgery
  • Surgical Oncology

About DAVID D. CHI, M.D., F.A.C.S., A MEDICAL CORP.

This page provides the complete NPI Profile along with additional information for David D. Chi, M.d., F.a.c.s., A Medical Corp., a provider established in Thousand Oaks, California operating as a Surgery, focusing in surgical oncology . The healthcare provider is registered in the NPI registry with number 1154649796 assigned on May 2010. The practitioner's primary taxonomy code is 2086X0206X. The provider is registered as an organization and their NPI record was last updated 15 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. David D. Chi M.d. (Owner/president)

NPI
1154649796
Provider Name
DAVID D. CHI, M.D., F.A.C.S., A MEDICAL CORP.
Entity Type
Organization
Location Address
555 MARIN STREET SUITE 210 THOUSAND OAKS, CA 91360
Location Phone
(805) 497-7785
Location Fax
(805) 497-7728
Mailing Address
555 MARIN STREET SUITE 210 THOUSAND OAKS, CA 91360
Mailing Phone
(805) 497-7785
Mailing Fax
(805) 497-7728
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-06-2010
Last Update Date
07-20-2011
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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

Surgery Surgical Oncology

Taxonomy Code
2086X0206X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

G84570 (CA)
22086X0206XAllopathic & Osteopathic Physicians

Surgery
Surgical Oncology

G84570 (CA)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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.

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

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. DAVID D. CHI M.D.

Authorized Official Title
OWNER/PRESIDENT
Authorized Official Phone
(805) 497-7785

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
DA898AMEDICARE UPIN (02)CA 
DA898BMEDICARE PIN (08) 

Reviews for DAVID D. CHI, M.D., F.A.C.S., A MEDICAL CORP.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1154649796, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 6 → 12 → 3 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 0 + 4 + 1 + 2 + 4 + 1 + 8 + 7 + 1 + 8 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1154649796.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Surgery
555 MARIN STREET, SUITE 210
THOUSAND OAKS, CA 91360
Obstetrics & Gynecology
555 MARIN STREET, SUITE 250
THOUSAND OAKS, CA 91360

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154649796, enumerated as an "organization" on May 06, 2010.

The provider is located at 555 MARIN STREET SUITE 210 THOUSAND OAKS, CA 91360 and the phone number is (805) 497-7785.

Surgery with taxonomy code 2086X0206X and a focus in Surgical Oncology.

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