MARSHA G FINK, MD, INC
NPI 1346561206
Internal Medicine - Hematology & Oncology in Fountain Valley, CA

NPI Status: Active since June 15, 2010

Contact Information

18111 BROOKHURST ST STE 6100
FOUNTAIN VALLEY, CA
ZIP 92708
Phone: (714) 845-0203
Fax: (714) 845-0239

NPI Profile Information
Primary Taxonomy
Group Taxonomy
Authorized Official
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Internal Medicine
Hematology & Oncology

About MARSHA G FINK, MD, INC

This page provides the complete NPI Profile along with additional information for Marsha G Fink, Md, Inc, an internist established in Fountain Valley, California operating as a Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1346561206 assigned on June 2010. The practitioner's primary taxonomy code is 207RH0003X. The provider is registered as an organization and their NPI record was last updated 16 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 Marsha G Fink Md (President)

NPI: 1346561206
Provider Name: MARSHA G FINK, MD, INC
Entity Type: Organization
Location Address: 18111 BROOKHURST ST STE 6100 FOUNTAIN VALLEY, CA 92708
Location Phone: (714) 845-0203
Location Fax: (714) 845-0239
Mailing Address: 18111 BROOKHURST ST STE 6100 FOUNTAIN VALLEY, CA 92708
Mailing Phone: (714) 845-0203
Mailing Fax: (714) 845-0239
Is Sole Proprietor?: No
Is Organization Subpart?: No
Enumeration Date: 06-15-2010
Last Update Date: 06-15-2010
Code Navigator

An internist like Marsha G Fink, Md, 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 Hematology & Oncology
Taxonomy Code: 207RH0003X
Type: Allopathic & Osteopathic Physicians
Taxonomy Description: An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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: MARSHA G FINK MD
Authorized Official Title: PRESIDENT
Authorized Official Phone: (714) 845-0203

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 1346561206, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 0

Check

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 4 → 8 5 → 10 → 1 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 + 3 + 8 + 6 + 1 + 0 + 6 + 2 + 2 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1346561206.