DR. BRIAN JOHN DAVIS PHARMD
NPI 1104089994
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in San Francisco, CA

NPI Status: Active since July 02, 2008

Contact Information

3333 CALIFORNIA ST
LAUREL HEIGHTS ANNEX 40
SAN FRANCISCO, CA
ZIP 94118
Phone: (415) 476-1443
Fax: (415) 502-4144

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  • Individual
  • Male
  • Pharmacist
  • Pharmacist Clinician (PhC)/ Clinical Pha...

About BRIAN DAVIS

This page provides the complete NPI Profile along with additional information for Brian Davis, a provider established in San Francisco, California with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1104089994 assigned on July 2008. The practitioner's primary taxonomy code is 1835P0018X with license number RPH57892 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1104089994
Provider Name
DR. BRIAN JOHN DAVIS PHARMD
Gender
Male
Entity Type
Individual
Location Address
3333 CALIFORNIA ST LAUREL HEIGHTS ANNEX 40 SAN FRANCISCO, CA 94118
Location Phone
(415) 476-1443
Location Fax
(415) 502-4144
Mailing Address
3333 CALIFORNIA ST LAUREL HEIGHTS ANNEX 40 SAN FRANCISCO, CA 94118
Mailing Phone
(415) 476-1443
Mailing Fax
(415) 502-4144
Is Sole Proprietor?
Yes
Enumeration Date
07-02-2008
Last Update Date
07-02-2008
Code Navigator

A pharmacist like Brian Davis fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Taxonomy Code
1835P0018X
Type
Pharmacy Service Providers
License No.
RPH57892
License State
CA
Taxonomy Description
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

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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 1104089994, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 0 → 0 0 → 0 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 + 1 + 0 + 4 + 0 + 8 + 1 + 8 + 9 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1104089994.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Internal Medicine (Pulmonary Disease)
3333 CALIFORNIA ST, UCSF, SUITE 270
SAN FRANCISCO, CA 94118
Family Medicine
3333 CALIFORNIA ST, SUITE 465, BOX0844
SAN FRANCISCO, CA 94118
Pharmacist
3333 CALIFORNIA ST, 420E
SAN FRANCISCO, CA 94118
Pharmacist
3333 CALIFORNIA ST, 216
SAN FRANCISCO, CA 94118
Marriage & Family Therapist
3333 CALIFORNIA ST, SUITE #10
SAN FRANCISCO, CA 94118
Counselor (Mental Health)
3333 CALIFORNIA ST, SUITE 10
SAN FRANCISCO, CA 94118
Counselor
3333 CALIFORNIA ST, SUITE 10
SAN FRANCISCO, CA 94118
Registered Nurse (Women's Health Care, Ambulatory)
3333 CALIFORNIA ST, SUITE245,BOX0503
SAN FRANCISCO, CA 94118
Counselor
3333 CALIFORNIA ST, SUITE 10
SAN FRANCISCO, CA 94118
Counselor
3333 CALIFORNIA ST, SUITE 10
SAN FRANCISCO, CA 94118
Clinical Neuropsychologist
3333 CALIFORNIA ST, SUITE 245
SAN FRANCISCO, CA 94118
Pharmacist
3333 CALIFORNIA ST, SUITE 420
SAN FRANCISCO, CA 94118
Pediatrics (Developmental - Behavioral Pediatrics)
3333 CALIFORNIA ST, SUITE 245
SAN FRANCISCO, CA 94118
Psychologist (Clinical)
3333 CALIFORNIA ST, SUITE 465
SAN FRANCISCO, CA 94118
Nurse Practitioner (Gerontology)
3333 CALIFORNIA ST, SUITE 380
SAN FRANCISCO, CA 94118
Preventive Medicine (Public Health & General Preventive Medicine)
3333 CALIFORNIA ST, SUITE 340
SAN FRANCISCO, CA 94118
Internal Medicine (Geriatric Medicine)
3333 CALIFORNIA ST, SUITE 380
SAN FRANCISCO, CA 94118

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104089994, enumerated as an "individual" on July 02, 2008.

The provider is located at 3333 CALIFORNIA ST LAUREL HEIGHTS ANNEX 40 SAN FRANCISCO, CA 94118 and the phone number is (415) 476-1443.

Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.