DONALD FOLEY RICHEY MD
NPI 1679647119
Dermatology - Dermatopathology in Chico, CA

NPI Status: Active since November 17, 2006

Contact Information

251 COHASSET RD
SUITE 240
CHICO, CA
ZIP 95926
Phone: (530) 342-3686
Fax: (530) 342-4199

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  • Individual
  • Male
  • Dermatology
  • Dermatopathology

About DONALD RICHEY

This page provides the complete NPI Profile along with additional information for Donald Richey, a provider established in Chico, California with a medical specialization in Dermatology, focusing in dermatopathology . The healthcare provider is registered in the NPI registry with number 1679647119 assigned on November 2006. The practitioner's primary taxonomy code is 207ND0900X with license number C29435 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1679647119
Provider Name
DONALD FOLEY RICHEY MD
Gender
Male
Entity Type
Individual
Location Address
251 COHASSET RD SUITE 240 CHICO, CA 95926
Location Phone
(530) 342-3686
Location Fax
(530) 342-4199
Mailing Address
251 COHASSET RD SUITE 240 CHICO, CA 95926
Mailing Phone
(530) 342-3686
Mailing Fax
(530) 342-4199
Is Sole Proprietor?
Yes
Enumeration Date
11-17-2006
Last Update Date
07-08-2007
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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

Dermatology Dermatopathology

Taxonomy Code
207ND0900X
Type
Allopathic & Osteopathic Physicians
License No.
C29435
License State
CA
Taxonomy Description
A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.

Reviews for DONALD FOLEY RICHEY MD

  • 5 out of 5 stars - Review by Mr. Michael Wayne Baumann on February 26, 2025

    Even though I was told it is Hodari Dermatology, &I met Dr. Hodari at Hodari Dermatology today, Dr. Donald Foley Richey is a friend of the family & mine, as we went to him for dermatology & he told me years ago in Chico, "Merry Christmas Mike, and to get my RN License as I USED to be in Nursing Support as a Certified Nursing Assistant & MHW specializing on/in Med/Surg, ER, ICU, CCU, & 5150 holds.

  • 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 1679647119, 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
    6
    Unchanged
    Pos 3
    7
    Doubled → 14 → 1 + 4
    Pos 4
    9
    Unchanged
    Pos 5
    6
    Doubled → 12 → 1 + 2
    Pos 6
    4
    Unchanged
    Pos 7
    7
    Doubled → 14 → 1 + 4
    Pos 8
    1
    Unchanged
    Pos 9
    1
    Doubled → 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 6 → 12 → 3 7 → 14 → 5 1 → 2

    Step 2: Add all digits plus the NPI constant

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

    2 + 6 + 1 + 4 + 9 + 1 + 2 + 4 + 1 + 4 + 1 + 2 + 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 1679647119.

    Other Providers at the Same Location


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

    Surgery
    251 COHASSET RD, STE 310
    CHICO, CA 95926
    Internal Medicine
    251 COHASSET RD, STE 330
    CHICO, CA 95926
    Surgery (Plastic and Reconstructive Surgery)
    251 COHASSET RD, STE 340
    CHICO, CA 95926
    Neurological Surgery
    251 COHASSET RD, SUITE 370
    CHICO, CA 95926
    Family Medicine
    251 COHASSET RD, SUITE 340
    CHICO, CA 95926
    Physician Assistant (Surgical)
    251 COHASSET RD, SUITE 130
    CHICO, CA 95926
    Dermatology
    251 COHASSET RD, SUITE 240
    CHICO, CA 95926
    Dermatology
    251 COHASSET RD, SUITE 220
    CHICO, CA 95926
    Dermatology
    251 COHASSET RD, SUITE 230
    CHICO, CA 95926
    Pharmacist
    251 COHASSET RD, SUITE 145
    CHICO, CA 95926
    Internal Medicine (Gastroenterology)
    251 COHASSET RD, SUITE 300
    CHICO, CA 95926
    Dermatology
    251 COHASSET RD, SUITE 260
    CHICO, CA 95926
    Dietitian, Registered
    251 COHASSET RD, SUITE 310
    CHICO, CA 95926
    Advanced Practice Midwife
    251 COHASSET RD
    CHICO, CA 95926
    Internal Medicine (Gastroenterology)
    251 COHASSET RD, SUITE 300
    CHICO, CA 95926
    Dermatology
    251 COHASSET RD, SUITE 240
    CHICO, CA 95926
    Internal Medicine (Gastroenterology)
    251 COHASSET RD, SUITE 300
    CHICO, CA 95926
    Internal Medicine (Gastroenterology)
    251 COHASSET RD, SUITE 300
    CHICO, CA 95926
    Surgery
    251 COHASSET RD, SUITE # 320
    CHICO, CA 95926
    Neurological Surgery
    251 COHASSET RD, SUITE 370
    CHICO, CA 95926

    Frequently Asked Questions

    The NPI number assigned to this healthcare provider is 1679647119, enumerated as an "individual" on November 17, 2006.

    The provider is located at 251 COHASSET RD SUITE 240 CHICO, CA 95926 and the phone number is (530) 342-3686.

    Dermatology with taxonomy code 207ND0900X and a focus in Dermatopathology.