DR. THOMAS C BOOKWALTER PHARMD
NPI 1912007568
Pharmacist - Pharmacotherapy in San Francisco, CA

NPI Status: Active since September 24, 2006

Contact Information

302 SILVER AVE
ATTN: PHARMACY
SAN FRANCISCO, CA
ZIP 94112
Phone: (415) 406-1518
Fax: (415) 469-2369

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  • Individual
  • Male
  • Pharmacist
  • Pharmacotherapy

About THOMAS BOOKWALTER

This page provides the complete NPI Profile along with additional information for Thomas Bookwalter, a provider established in San Francisco, California with a medical specialization in Pharmacist, focusing in pharmacotherapy . The healthcare provider is registered in the NPI registry with number 1912007568 assigned on September 2006. The practitioner's primary taxonomy code is 1835P1200X with license number 41923 (CA). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1912007568
Provider Name
DR. THOMAS C BOOKWALTER PHARMD
Gender
Male
Entity Type
Individual
Location Address
302 SILVER AVE ATTN: PHARMACY SAN FRANCISCO, CA 94112
Location Phone
(415) 406-1518
Location Fax
(415) 469-2369
Mailing Address
302 SILVER AVE ATTN: PHARMACY SAN FRANCISCO, CA 94112
Mailing Phone
(415) 406-1518
Mailing Fax
(415) 469-2369
Is Sole Proprietor?
No
Enumeration Date
09-24-2006
Last Update Date
12-03-2010
Code Navigator

A pharmacist like Thomas Bookwalter 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 Pharmacotherapy

Taxonomy Code
1835P1200X
Type
Pharmacy Service Providers
License No.
41923
License State
CA
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing pharmacotherapeutic care of patients, by developing, implementing, monitoring, and modifying complex treatment plans, providing advanced level education and consultation, and collaborating with other health professionals in the management of therapy.

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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 1912007568, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 1 → 2 0 → 0 7 → 14 → 5 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 + 2 + 2 + 0 + 0 + 1 + 4 + 5 + 1 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1912007568.

Other Providers at the Same Location


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

Internal Medicine (Geriatric Medicine)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychiatry & Neurology (Psychiatry)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Pharmacist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Internal Medicine
302 SILVER AVE
SAN FRANCISCO, CA 94112
Nurse Practitioner (Family)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Dentist (General Practice)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physician Assistant
302 SILVER AVE
SAN FRANCISCO, CA 94112
General Acute Care Hospital
302 SILVER AVE
SAN FRANCISCO, CA 94112
Occupational Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychologist (Cognitive & Behavioral)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychiatry & Neurology (Psychiatry)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Internal Medicine (Geriatric Medicine)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Psychologist (Clinical)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Clinic/Center (Adult Mental Health)
302 SILVER AVE
SAN FRANCISCO, CA 94112
Internal Medicine (Rheumatology)
302 SILVER AVE, JEWISH HOME FOR THE AGED
SAN FRANCISCO, CA 94112
Speech-Language Pathologist
302 SILVER AVE
SAN FRANCISCO, CA 94112
Physical Therapist
302 SILVER AVE
SAN FRANCISCO, CA 94112

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912007568, enumerated as an "individual" on September 24, 2006.

The provider is located at 302 SILVER AVE ATTN: PHARMACY SAN FRANCISCO, CA 94112 and the phone number is (415) 406-1518.

Pharmacist with taxonomy code 1835P1200X and a focus in Pharmacotherapy.