DAVID B. ROSENFELD, M.D., INC.
NPI 1497938310
Colon & Rectal Surgery in Simi Valley, CA

NPI Status: Active since December 13, 2007

Contact Information

2650 JONES WAY
SUITE 25
SIMI VALLEY, CA
ZIP 93065
Phone: (805) 579-8972
Fax: (805) 579-9784

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  • Organization
  • Colon & Rectal Surgery

About DAVID B. ROSENFELD, M.D., INC.

This page provides the complete NPI Profile along with additional information for David B. Rosenfeld, M.d., Inc., a provider established in Simi Valley, California operating as a Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1497938310 assigned on December 2007. The practitioner's primary taxonomy code is 208C00000X. The provider is registered as an organization and their NPI record was last updated 19 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 B. Rosenfeld M.d. (President)

NPI
1497938310
Provider Name
DAVID B. ROSENFELD, M.D., INC.
Entity Type
Organization
Location Address
2650 JONES WAY SUITE 25 SIMI VALLEY, CA 93065
Location Phone
(805) 579-8972
Location Fax
(805) 579-9784
Mailing Address
2650 JONES WAY SUITE 25 SIMI VALLEY, CA 93065
Mailing Phone
(805) 579-8972
Mailing Fax
(805) 579-9784
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-13-2007
Last Update Date
12-13-2007
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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

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Group Taxonomy 193400000X 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.

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 B. ROSENFELD M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(805) 579-8972

Reviews for DAVID B. ROSENFELD, M.D., INC.

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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 1497938310, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 9 → 18 → 9 9 → 18 → 9 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 8 + 3 + 1 + 6 + 3 + 2 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1497938310.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Nephrology)
2650 JONES WAY, SUITE 3
SIMI VALLEY, CA 93065
Pediatrics
2650 JONES WAY, #11
SIMI VALLEY, CA 93065
Psychiatry & Neurology (Psychiatry)
2650 JONES WAY, SUITE 27B
SIMI VALLEY, CA 93065
Registered Nurse
2650 JONES WAY, SUITE 2
SIMI VALLEY, CA 93065
Dentist (General Practice)
2650 JONES WAY, #22
SIMI VALLEY, CA 93065
Marriage & Family Therapist
2650 JONES WAY, #21
SIMI VALLEY, CA 93065
Counselor (Mental Health)
2650 JONES WAY, SUITE 10
SIMI VALLEY, CA 93065
Radiologic Technologist (Cardiac-Interventional Technology)
2650 JONES WAY, SUITE 9
SIMI VALLEY, CA 93065
Specialist
2650 JONES WAY, SUITE 2
SIMI VALLEY, CA 93065
Clinic/Center
2650 JONES WAY, SUITE 31
SIMI VALLEY, CA 93065
Counselor (Addiction (Substance Use Disorder))
2650 JONES WAY, #10
SIMI VALLEY, CA 93065
Marriage & Family Therapist
2650 JONES WAY, SUITE 21
SIMI VALLEY, CA 93065
Counselor (Mental Health)
2650 JONES WAY, SUITE 27B
SIMI VALLEY, CA 93065
Counselor (Addiction (Substance Use Disorder))
2650 JONES WAY, SUITE 10
SIMI VALLEY, CA 93065
Counselor (Addiction (Substance Use Disorder))
2650 JONES WAY, STE 10
SIMI VALLEY, CA 93065
Surgery
2650 JONES WAY, SUITE 2
SIMI VALLEY, CA 93065
Psychiatry & Neurology (Psychiatry)
2650 JONES WAY, SUITE 27B
SIMI VALLEY, CA 93065
Specialist
2650 JONES WAY, SUITE 2
SIMI VALLEY, CA 93065
Psychiatry & Neurology (Neurology)
2650 JONES WAY, 30
SIMI VALLEY, CA 93065
Counselor (Addiction (Substance Use Disorder))
2650 JONES WAY, 10
SIMI VALLEY, CA 93065

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497938310, enumerated as an "organization" on December 13, 2007.

The provider is located at 2650 JONES WAY SUITE 25 SIMI VALLEY, CA 93065 and the phone number is (805) 579-8972.

Colon & Rectal Surgery with taxonomy code 208C00000X.