MR. RANDY JAMES CALLAHAN P.A.
NPI 1629246202
Physician Assistant in Fresno, CA

NPI Status: Active since February 15, 2008

Contact Information

1322 E SHAW AVE STE 410
FRESNO, CA
ZIP 93710
Phone: (559) 226-1316
Fax: (559) 226-1615

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  • Individual
  • Male
  • Physician Assistant

About RANDY CALLAHAN

This page provides the complete NPI Profile along with additional information for Randy Callahan, a primary care provider established in Fresno, California with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1629246202 assigned on February 2008. The practitioner's primary taxonomy code is 363A00000X with license number PA12968 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1629246202
Provider Name
MR. RANDY JAMES CALLAHAN P.A.
Gender
Male
Entity Type
Individual
Location Address
1322 E SHAW AVE STE 410 FRESNO, CA 93710
Location Phone
(559) 226-1316
Location Fax
(559) 226-1615
Mailing Address
1322 E SHAW AVE STE 410 FRESNO, CA 93710
Mailing Phone
(559) 226-1316
Mailing Fax
(559) 226-1615
Is Sole Proprietor?
No
Enumeration Date
02-15-2008
Last Update Date
10-08-2020
Code Navigator

A primary care provider (PCP) like Randy Callahan 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 .

Location Map

Secondary Locations

  • 13939 E 14th St Suite 150
    San Leandro, CA 94578
    (510) 343-8300

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

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA12968
License State
CA
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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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 1629246202, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
Check
2
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 2 → 4 2 → 4 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 4 + 4 + 1 + 2 + 2 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1629246202.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Nurse Practitioner (Psychiatric/Mental Health)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Registered Nurse (Psychiatric/Mental Health, Adult)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Marriage & Family Therapist
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Family)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Family)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Family)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Psychiatric/Mental Health)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Marriage & Family Therapist
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Psychiatric/Mental Health)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Marriage & Family Therapist
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Psychologist (Clinical)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Marriage & Family Therapist
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Psychiatric/Mental Health)
1322 E SHAW AVE STE 410
FRESNO, CA 93710
Nurse Practitioner (Psychiatric/Mental Health)
1322 E SHAW AVE STE 410
FRESNO, CA 93710

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629246202, enumerated as an "individual" on February 15, 2008.

The provider is located at 1322 E SHAW AVE STE 410 FRESNO, CA 93710 and the phone number is (559) 226-1316.

Physician Assistant with taxonomy code 363A00000X.