NEIL D. FAGEN,M.D.,INC.
NPI 1023311008
Internal Medicine - Gastroenterology in Tarzana, CA

NPI Status: Active since December 13, 2010

Contact Information

18411 CLARK ST
204
TARZANA, CA
ZIP 91356
Phone: (818) 996-4796
Fax: (818) 996-4793

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  • Organization
  • Internal Medicine
  • Gastroenterology

About NEIL D. FAGEN,M.D.,INC.

This page provides the complete NPI Profile along with additional information for Neil D. Fagen,m.d.,inc., an internist established in Tarzana, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1023311008 assigned on December 2010. The practitioner's primary taxonomy code is 207RG0100X. 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. Neil D Fagen M.d. (President)

NPI
1023311008
Provider Name
NEIL D. FAGEN,M.D.,INC.
Entity Type
Organization
Location Address
18411 CLARK ST 204 TARZANA, CA 91356
Location Phone
(818) 996-4796
Location Fax
(818) 996-4793
Mailing Address
18411 CLARK ST 204 TARZANA, CA 91356
Mailing Phone
(818) 996-4796
Mailing Fax
(818) 996-4793
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-13-2010
Last Update Date
12-13-2010
Code Navigator

An internist like Neil D. Fagen,m.d.,inc. 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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.

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. NEIL D FAGEN M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(818) 996-4796

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
A44010MEDICARE UPIN (02)CA 
00G293040MEDICAID (05)CA 

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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 1023311008, we treat the final digit (8) 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 42. The final step is to find the difference between that total and the next multiple of ten (50 - 42 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 6 + 1 + 2 + 0 + 0 + 24 = 42

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

The next multiple of ten after 42 is 50. The difference is the calculated check digit.

50 - 42 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1023311008.

Other Providers at the Same Location


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

Obstetrics & Gynecology (Gynecology)
18411 CLARK ST, # 304
TARZANA, CA 91356
Orthopaedic Surgery
18411 CLARK ST, SUITE 103
TARZANA, CA 91356
Surgery
18411 CLARK ST, SUITE 305
TARZANA, CA 91356
Obstetrics & Gynecology (Gynecology)
18411 CLARK ST, SUITE 207
TARZANA, CA 91356
Urology
18411 CLARK ST, SUITE #104
TARZANA, CA 91356
Surgery
18411 CLARK ST, SUITE 305
TARZANA, CA 91356
Dentist (Pediatric Dentistry)
18411 CLARK ST, #306
TARZANA, CA 91356
Plastic Surgery
18411 CLARK ST, SUITE 105
TARZANA, CA 91356
Podiatrist (Foot & Ankle Surgery)
18411 CLARK ST, SUITE 107
TARZANA, CA 91356
Obstetrics & Gynecology
18411 CLARK ST, 108
TARZANA, CA 91356
Dentist (Oral and Maxillofacial Surgery)
18411 CLARK ST, SUITE # 204
TARZANA, CA 91356
Obstetrics & Gynecology
18411 CLARK ST, SUITE 102
TARZANA, CA 91356
Obstetrics & Gynecology (Gynecology)
18411 CLARK ST, SUITE 102
TARZANA, CA 91356
Nurse Practitioner (Adult Health)
18411 CLARK ST, SUITE 301
TARZANA, CA 91356
Plastic Surgery
18411 CLARK ST, SUITE 105
TARZANA, CA 91356
Specialist
18411 CLARK ST, SUITE 302
TARZANA, CA 91356
Obstetrics & Gynecology
18411 CLARK ST, SUITE 307
TARZANA, CA 91356
Obstetrics & Gynecology
18411 CLARK ST, SUITE 103
TARZANA, CA 91356
Obstetrics & Gynecology
18411 CLARK ST, SUITE 103
TARZANA, CA 91356
Physician Assistant (Medical)
18411 CLARK ST, SUITE 302
TARZANA, CA 91356

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023311008, enumerated as an "organization" on December 13, 2010.

The provider is located at 18411 CLARK ST 204 TARZANA, CA 91356 and the phone number is (818) 996-4796.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

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