DR. LEON SPEROFF M.D.
NPI 1295004075
Obstetrics & Gynecology - Reproductive Endocrinology in Portland, OR

NPI Status: Active since December 22, 2011

Contact Information

15001 NW SKYLINE BLVD
PORTLAND, OR
ZIP 97231
Phone: (503) 621-3331

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  • Individual
  • Male
  • Obstetrics & Gynecology
  • Reproductive Endocrinology

About LEON SPEROFF

This page provides the complete NPI Profile along with additional information for Leon Speroff, a women's health care provider established in Portland, Oregon with a medical specialization in Obstetrics & Gynecology, focusing in reproductive endocrinology . The healthcare provider is registered in the NPI registry with number 1295004075 assigned on December 2011. The practitioner's primary taxonomy code is 207VE0102X with license number MD10584 (OR). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1295004075
Provider Name
DR. LEON SPEROFF M.D.
Gender
Male
Entity Type
Individual
Location Address
15001 NW SKYLINE BLVD PORTLAND, OR 97231
Location Phone
(503) 621-3331
Mailing Address
15001 NW SKYLINE BLVD PORTLAND, OR 97231
Mailing Phone
(503) 621-3331
Is Sole Proprietor?
Yes
Enumeration Date
12-22-2011
Last Update Date
12-22-2011
Code Navigator

Women's health care providers like Leon Speroff treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology Reproductive Endocrinology

Taxonomy Code
207VE0102X
Type
Allopathic & Osteopathic Physicians
License No.
MD10584
License State
OR
Taxonomy Description
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

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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 1295004075, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 0 → 0 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 0 + 0 + 8 + 0 + 1 + 4 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1295004075.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295004075, enumerated as an "individual" on December 22, 2011.

The provider is located at 15001 NW SKYLINE BLVD PORTLAND, OR 97231 and the phone number is (503) 621-3331.

Obstetrics & Gynecology with taxonomy code 207VE0102X and a focus in Reproductive Endocrinology.