DR. FRANKLIN OWEN BLACK MD
NPI 1700916509
Otolaryngology - Otology & Neurotology in Portland, OR

NPI Status: Active since March 07, 2007

Contact Information

1225 NE 2ND AVE
SUITE 305
PORTLAND, OR
ZIP 97208
Phone: (503) 233-6068
Fax: (503) 233-8558

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  • Individual
  • Male
  • Otolaryngology
  • Otology & Neurotology

About FRANKLIN BLACK

This page provides the complete NPI Profile along with additional information for Franklin Black, a provider established in Portland, Oregon with a medical specialization in Otolaryngology, focusing in otology & neurotology . The healthcare provider is registered in the NPI registry with number 1700916509 assigned on March 2007. The practitioner's primary taxonomy code is 207YX0901X with license number MD13135 (OR). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1700916509
Provider Name
DR. FRANKLIN OWEN BLACK MD
Other Name
F OWEN BLACK MD
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
1225 NE 2ND AVE SUITE 305 PORTLAND, OR 97208
Location Phone
(503) 233-6068
Location Fax
(503) 233-8558
Mailing Address
PO BOX 3950 PORTLAND, OR 97208
Mailing Phone
(503) 233-6088
Mailing Fax
(503) 233-8558
Is Sole Proprietor?
No
Enumeration Date
03-07-2007
Last Update Date
07-08-2007
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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

Otolaryngology Otology & Neurotology

Taxonomy Code
207YX0901X
Type
Allopathic & Osteopathic Physicians
License No.
MD13135
License State
OR
Taxonomy Description
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.

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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 1700916509, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 1 + 8 + 1 + 1 + 2 + 5 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1700916509.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700916509, enumerated as an "individual" on March 07, 2007.

The provider is located at 1225 NE 2ND AVE SUITE 305 PORTLAND, OR 97208 and the phone number is (503) 233-6068.

Otolaryngology with taxonomy code 207YX0901X and a focus in Otology & Neurotology.