DAVID BUFFUM R.N., N.P.
NPI 1295043859
Nurse Practitioner - Gerontology in Pleasant Hill, CA

NPI Status: Active since September 16, 2010

Contact Information

400 TAYLOR BLVD
STE 202
PLEASANT HILL, CA
ZIP 94523
Phone: (925) 677-5041
Fax: (925) 677-5025

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  • Individual
  • Male
  • Nurse Practitioner
  • Gerontology

About DAVID BUFFUM

This page provides the complete NPI Profile along with additional information for David Buffum, a provider established in Pleasant Hill, California with a medical specialization in Nurse Practitioner, focusing in gerontology . The healthcare provider is registered in the NPI registry with number 1295043859 assigned on September 2010. The practitioner's primary taxonomy code is 363LG0600X with license number 682924 (CA). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1295043859
Provider Name
DAVID BUFFUM R.N., N.P.
Gender
Male
Entity Type
Individual
Location Address
400 TAYLOR BLVD STE 202 PLEASANT HILL, CA 94523
Location Phone
(925) 677-5041
Location Fax
(925) 677-5025
Mailing Address
400 TAYLOR BLVD STE 202 PLEASANT HILL, CA 94523
Mailing Phone
(925) 677-5041
Mailing Fax
(925) 677-5025
Is Sole Proprietor?
No
Enumeration Date
09-16-2010
Last Update Date
09-16-2010
Code Navigator

A nurse practitioner (NP) like David Buffum 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 Gerontology

Taxonomy Code
363LG0600X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
682924
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 1295043859, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 3 → 6 5 → 10 → 1

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 + 4 + 6 + 8 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1295043859.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
400 TAYLOR BLVD, SUITE # 201
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology)
400 TAYLOR BLVD, SUITE 301
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology)
400 TAYLOR BLVD, SUITE 301
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology)
400 TAYLOR BLVD, SUITE 301
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology)
400 TAYLOR BLVD, SUITE 301
PLEASANT HILL, CA 94523
Internal Medicine (Cardiovascular Disease)
400 TAYLOR BLVD, #101
PLEASANT HILL, CA 94523
Internal Medicine (Hematology & Oncology)
400 TAYLOR BLVD, SUITE 201
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Pharmacist (Oncology)
400 TAYLOR BLVD
PLEASANT HILL, CA 94523
Physical Medicine & Rehabilitation (Pediatric Rehabilitation Medicine)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Internal Medicine (Hematology & Oncology)
400 TAYLOR BLVD, STE 202
PLEASANT HILL, CA 94523
Pediatrics
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Nurse Practitioner (Pediatrics)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Internal Medicine (Hematology & Oncology)
400 TAYLOR BLVD, SUITE 202
PLEASANT HILL, CA 94523
Nurse Practitioner
400 TAYLOR BLVD, SUITE 202
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Clinical Nurse Specialist (Oncology)
400 TAYLOR BLVD, SUITE 101
PLEASANT HILL, CA 94523
Specialist
400 TAYLOR BLVD, SUITE 306
PLEASANT HILL, CA 94523
Psychiatry & Neurology (Neurology)
400 TAYLOR BLVD, SUITE 301
PLEASANT HILL, CA 94523
Nurse Practitioner
400 TAYLOR BLVD
PLEASANT HILL, CA 94523

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295043859, enumerated as an "individual" on September 16, 2010.

The provider is located at 400 TAYLOR BLVD STE 202 PLEASANT HILL, CA 94523 and the phone number is (925) 677-5041.

Nurse Practitioner with taxonomy code 363LG0600X and a focus in Gerontology.