MARY K POPYLISEN PT, ATC
NPI 1245441237
Specialist/Technologist - Athletic Trainer in Berkeley, CA

NPI Status: Active since May 24, 2007

Contact Information

2222 BANCROFT EXT
BERKELEY, CA
ZIP 94720
Phone: (510) 642-5651
Fax: (510) 643-5079

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  • Individual
  • Female
  • Specialist/Technologist
  • Athletic Trainer

About MARY POPYLISEN

This page provides the complete NPI Profile along with additional information for Mary Popylisen, a provider established in Berkeley, California with a medical specialization in Specialist/technologist, focusing in athletic trainer . The healthcare provider is registered in the NPI registry with number 1245441237 assigned on May 2007. The practitioner's primary taxonomy code is 2255A2300X with license number 80680 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1245441237
Provider Name
MARY K POPYLISEN PT, ATC
Gender
Female
Entity Type
Individual
Location Address
2222 BANCROFT EXT BERKELEY, CA 94720
Location Phone
(510) 642-5651
Location Fax
(510) 643-5079
Mailing Address
4436 HYACINTH AVE OAKLAND, CA 94619
Mailing Phone
(510) 482-5510
Is Sole Proprietor?
No
Enumeration Date
05-24-2007
Last Update Date
09-11-2025
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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

Specialist/Technologist Athletic Trainer

Taxonomy Code
2255A2300X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
80680
License State
CA
Taxonomy Description
Athletic trainers are allied health care professionals who work in consultation with or under the direction of physicians, and specialize in the prevention, assessment, treatment and rehabilitation of injuries and illnesses. Currently, the entry-level employment requirements are a bachelor's degree with a major in athletic training from an accredited university or college. A majority of athletic trainers hold advanced degrees. National board certification is generally required as a condition of state licensure and employment. Most states regulate athletic trainers, and they practice within the scope of that license or regulation. Clinical practice includes emergency care, rehabilitation, reconditioning, therapeutic exercise, wellness programs, exercise physiology, kinesiology, biomechanics, nutrition, psychology and health care administration.

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)
1225100000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Physical Therapist

16912 (CA)

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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 1245441237, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 4 → 8 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 8 + 4 + 2 + 2 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1245441237.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Family Medicine (Sports Medicine)
2222 BANCROFT EXT, UNIVERSITY HEALTH SERVICE- CLINICAL SERVICES
BERKELEY, CA 94720
Internal Medicine
2222 BANCROFT EXT, UNIVERSITY HEALTH SERVICES, UC BERKELEY
BERKELEY, CA 94720
Nurse Practitioner (Adult Health)
2222 BANCROFT EXT
BERKELEY, CA 94720
Nurse Practitioner (Family)
2222 BANCROFT EXT
BERKELEY, CA 94720
Nurse Practitioner (Primary Care)
2222 BANCROFT EXT
BERKELEY, CA 94720
Family Medicine (Sports Medicine)
2222 BANCROFT EXT
BERKELEY, CA 94720
Nurse Practitioner (Occupational Health)
2222 BANCROFT EXT
BERKELEY, CA 94720
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
2222 BANCROFT EXT
BERKELEY, CA 94720
Obstetrics & Gynecology
2222 BANCROFT EXT
BERKELEY, CA 94720
Internal Medicine
2222 BANCROFT EXT
BERKELEY, CA 94720
Social Worker (Clinical)
2222 BANCROFT EXT
BERKELEY, CA 94720
Psychologist (Counseling)
2222 BANCROFT EXT
BERKELEY, CA 94720
Optometrist
2222 BANCROFT EXT
BERKELEY, CA 94720
Optometrist
2222 BANCROFT EXT
BERKELEY, CA 94720
Nurse Practitioner (Family)
2222 BANCROFT EXT
BERKELEY, CA 94720
Optometrist
2222 BANCROFT EXT
BERKELEY, CA 94720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245441237, enumerated as an "individual" on May 24, 2007.

The provider is located at 2222 BANCROFT EXT BERKELEY, CA 94720 and the phone number is (510) 642-5651.

Specialist/Technologist with taxonomy code 2255A2300X and a focus in Athletic Trainer.