LEE MARSHALL FAGEN NP
NPI 1275639098
Nurse Practitioner - Adult Health in Berkeley, CA

NPI Status: Active since September 16, 2006

Contact Information

2222 BANCROFT EXT
BERKELEY, CA
ZIP 94720
Phone: (510) 643-9135

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  • Individual
  • Male
  • Nurse Practitioner
  • Adult Health

About LEE FAGEN

This page provides the complete NPI Profile along with additional information for Lee Fagen, a provider established in Berkeley, California with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1275639098 assigned on September 2006. The practitioner's primary taxonomy code is 363LA2200X with license number RN373234, NP7501 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1275639098
Provider Name
LEE MARSHALL FAGEN NP
Gender
Male
Entity Type
Individual
Location Address
2222 BANCROFT EXT BERKELEY, CA 94720
Location Phone
(510) 643-9135
Mailing Address
2727 HILLEGASS AVE BERKELEY, CA 94705
Mailing Phone
(510) 843-5326
Is Sole Proprietor?
No
Enumeration Date
09-16-2006
Last Update Date
07-08-2007
Code Navigator

A nurse practitioner (NP) like Lee Fagen is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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

Nurse Practitioner Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN373234, NP7501
License State
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 1275639098, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

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 + 1 + 2 + 3 + 1 + 8 + 0 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1275639098.

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 (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
Specialist/Technologist (Athletic Trainer)
2222 BANCROFT EXT
BERKELEY, CA 94720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275639098, enumerated as an "individual" on September 16, 2006.

The provider is located at 2222 BANCROFT EXT BERKELEY, CA 94720 and the phone number is (510) 643-9135.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.