STEPHANIE BRENER
NPI 1275468035
Internal Medicine - Hematology & Oncology in Seattle, WA

NPI Status: Active since June 15, 2026

Contact Information

1100 FAIRVIEW AVE N
SEATTLE, WA
ZIP 98109
Phone: (206) 606-1209

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  • Individual
  • Internal Medicine
  • Hematology & Oncology

About STEPHANIE BRENER

This page provides the complete NPI Profile along with additional information for Stephanie Brener, an internist established in Seattle, Washington operating as a Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1275468035 assigned on June 2026. The practitioner's primary taxonomy code is 207RH0003X with license number RN645306 (PA). The provider is registered as an individual and their NPI record was last updated June 2026.

NPI
1275468035
Provider Name
STEPHANIE BRENER
Gender
Entity Type
Individual
Location Address
1100 FAIRVIEW AVE N SEATTLE, WA 98109
Location Phone
(206) 606-1209
Mailing Address
2284 GLEIM DR ENOLA, PA 17025
Is Sole Proprietor?
Yes
Enumeration Date
06-15-2026
Last Update Date
06-15-2026
Code Navigator

An internist like Stephanie Brener 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
License No.
RN645306
License State
PA
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.

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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 1275468035, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
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 7 → 14 → 5 4 → 8 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 8 + 6 + 1 + 6 + 0 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1275468035.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Internal Medicine (Infectious Disease)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Preventive Medicine (Public Health & General Preventive Medicine)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pathology (Anatomic Pathology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Internal Medicine (Hematology & Oncology)
1100 FAIRVIEW AVE N, D5-100
SEATTLE, WA 98109
Pediatrics (Pediatric Hematology-Oncology)
1100 FAIRVIEW AVE N, BOX 358080 - D4-100
SEATTLE, WA 98109
Internal Medicine
1100 FAIRVIEW AVE N, D3-190
SEATTLE, WA 98109
Physician Assistant (Medical)
1100 FAIRVIEW AVE N, ME-B143
SEATTLE, WA 98109
Pharmacy Technician
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Family)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Family)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Adult Health)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Pediatrics)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Naturopath
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Clinic/Center (Multi-Specialty)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275468035, enumerated as an "individual" on June 15, 2026.

The provider is located at 1100 FAIRVIEW AVE N SEATTLE, WA 98109 and the phone number is (206) 606-1209.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.