PRIMARY CARE AT HOME, INC.
NPI 1285506436
Pharmacy in San Francisco, CA

NPI Status: Active since September 18, 2025

Contact Information

2424 MISSION ST
SAN FRANCISCO, CA
ZIP 94110
Phone: (415) 826-3484

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  • Organization
  • Pharmacy

About PRIMARY CARE AT HOME, INC.

This page provides the complete NPI Profile along with additional information for Primary Care At Home, Inc., a provider established in San Francisco, California operating as a Pharmacy. The healthcare provider is registered in the NPI registry with number 1285506436 assigned on September 2025. The practitioner's primary taxonomy code is 333600000X. The provider is registered as an organization and their NPI record was last updated June 2026. The authorized official of this NPI record is Nathan Nguyen (Director Of Finance)

NPI
1285506436
Provider Name
PRIMARY CARE AT HOME, INC.
Entity Type
Organization
Location Address
2424 MISSION ST SAN FRANCISCO, CA 94110
Location Phone
(415) 826-3484
Mailing Address
2424 MISSION ST SAN FRANCISCO, CA 94110
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
09-18-2025
Last Update Date
06-10-2026
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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

Pharmacy

Taxonomy Code
333600000X
Type
Suppliers
Taxonomy Description
A facility used by pharmacists for the compounding and dispensing of medicinal preparations and other associated professional and administrative services. A pharmacy is a facility whose primary function is to store, prepare and legally dispense prescription drugs under the professional supervision of a licensed pharmacist. It meets any licensing or certification standards set forth by the jurisdiction where it is located.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

NATHAN NGUYEN

Authorized Official Title
DIRECTOR OF FINANCE
Authorized Official Phone
(408) 439-7907

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
PHY60051OTHER (01)CASLN

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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 1285506436, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 8 → 16 → 7 5 → 10 → 1 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 0 + 0 + 1 + 2 + 4 + 6 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1285506436.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacy (Community/Retail Pharmacy)
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacy (Long Term Care Pharmacy)
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110
Social Worker (Clinical)
2424 MISSION ST
SAN FRANCISCO, CA 94110
Pharmacist
2424 MISSION ST
SAN FRANCISCO, CA 94110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285506436, enumerated as an "organization" on September 18, 2025.

The provider is located at 2424 MISSION ST SAN FRANCISCO, CA 94110 and the phone number is (415) 826-3484.

Pharmacy with taxonomy code 333600000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.