JOHN JOSEPH GRAYKOSKI PA
NPI 1740234772
Physician Assistant in Barron, WI

NPI Status: Active since May 22, 2006

Contact Information

1222 E WOODLAND AVE
BARRON, WI
ZIP 54812
Phone: (715) 537-3166

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  • Individual
  • Male
  • Physician Assistant

About JOHN GRAYKOSKI

This page provides the complete NPI Profile along with additional information for John Graykoski, a primary care provider established in Barron, Wisconsin with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1740234772 assigned on May 2006. The practitioner's primary taxonomy code is 363A00000X with license number 1944 (WI). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1740234772
Provider Name
JOHN JOSEPH GRAYKOSKI PA
Gender
Male
Entity Type
Individual
Location Address
1222 E WOODLAND AVE BARRON, WI 54812
Location Phone
(715) 537-3166
Mailing Address
PO BOX 1510 EAU CLAIRE, WI 54702
Mailing Phone
(715) 838-5222
Is Sole Proprietor?
No
Enumeration Date
05-22-2006
Last Update Date
10-11-2019
Code Navigator

A primary care provider (PCP) like John Graykoski sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
1944
License State
WI
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

1944023 (WI)
2207PE0004XAllopathic & Osteopathic Physicians

Emergency Medicine
Emergency Medical Services

1944023 (WI)
3207PP0204XAllopathic & Osteopathic Physicians

Emergency Medicine
Pediatric Emergency Medicine

1944023 (WI)
4207PT0002XAllopathic & Osteopathic Physicians

Emergency Medicine
Medical Toxicology

1944023 (WI)

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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 1740234772, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 2 → 4 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 + 7 + 8 + 0 + 4 + 3 + 8 + 7 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1740234772.

Other Providers at the Same Location


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

Surgery
1222 E WOODLAND AVE
BARRON, WI 54812
Orthopaedic Surgery
1222 E WOODLAND AVE
BARRON, WI 54812
Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Physician Assistant
1222 E WOODLAND AVE
BARRON, WI 54812
Family Medicine
1222 E WOODLAND AVE
BARRON, WI 54812
Occupational Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Physician Assistant
1222 E WOODLAND AVE
BARRON, WI 54812
Nurse Anesthetist, Certified Registered
1222 E WOODLAND AVE
BARRON, WI 54812
Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Non-Pharmacy Dispensing Site
1222 E WOODLAND AVE
BARRON, WI 54812
Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Physical Therapist
1222 E WOODLAND AVE
BARRON, WI 54812
Speech-Language Pathologist
1222 E WOODLAND AVE
BARRON, WI 54812
Physician Assistant
1222 E WOODLAND AVE
BARRON, WI 54812

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740234772, enumerated as an "individual" on May 22, 2006.

The provider is located at 1222 E WOODLAND AVE BARRON, WI 54812 and the phone number is (715) 537-3166.

Physician Assistant with taxonomy code 363A00000X.