DR. ALFRED DAVID VILLASENOR M.D.
NPI 1972918969
General Practice in Chico, CA

NPI Status: Active since June 27, 2014

Contact Information

100 INDEPENDENCE CIR
CHICO, CA
ZIP 95973
Phone: (310) 714-6990

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  • Individual
  • Male
  • General Practice

About ALFRED VILLASENOR

This page provides the complete NPI Profile along with additional information for Alfred Villasenor, a primary care provider established in Chico, California with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1972918969 assigned on June 2014. The practitioner's primary taxonomy code is 208D00000X with license number A141670 (CA). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1972918969
Provider Name
DR. ALFRED DAVID VILLASENOR M.D.
Gender
Male
Entity Type
Individual
Location Address
100 INDEPENDENCE CIR CHICO, CA 95973
Location Phone
(310) 714-6990
Mailing Address
100 INDEPENDENCE CIR CHICO, CA 95973
Mailing Phone
(310) 714-6990
Is Sole Proprietor?
Yes
Enumeration Date
06-27-2014
Last Update Date
02-17-2017
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A primary care provider (PCP) like Alfred Villasenor 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 .

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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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
A141670
License State
CA
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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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 1972918969, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 7 → 14 → 5 9 → 18 → 9 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 8 + 1 + 1 + 6 + 9 + 1 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1972918969.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Emergency Medicine (Sports Medicine)
100 INDEPENDENCE CIR
CHICO, CA 95973
Family Medicine
100 INDEPENDENCE CIR
CHICO, CA 95973
Physician Assistant (Medical)
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner
100 INDEPENDENCE CIR
CHICO, CA 95973
Family Medicine
100 INDEPENDENCE CIR
CHICO, CA 95973
Physician Assistant (Medical)
100 INDEPENDENCE CIR
CHICO, CA 95973
Physician Assistant
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner (Family)
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner (Community Health)
100 INDEPENDENCE CIR
CHICO, CA 95973
Physician Assistant
100 INDEPENDENCE CIR
CHICO, CA 95973
Internal Medicine
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner (Family)
100 INDEPENDENCE CIR
CHICO, CA 95973
Family Medicine
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner (Adult Health)
100 INDEPENDENCE CIR
CHICO, CA 95973
Hospitalist
100 INDEPENDENCE CIR
CHICO, CA 95973
Hospitalist
100 INDEPENDENCE CIR
CHICO, CA 95973
Nurse Practitioner (Women's Health)
100 INDEPENDENCE CIR
CHICO, CA 95973
Counselor (Mental Health)
100 INDEPENDENCE CIR
CHICO, CA 95973

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972918969, enumerated as an "individual" on June 27, 2014.

The provider is located at 100 INDEPENDENCE CIR CHICO, CA 95973 and the phone number is (310) 714-6990.

General Practice with taxonomy code 208D00000X.