AMY WEINBERG MD
NPI 1023705423
Hospitalist in San Francisco, CA

NPI Status: Active since April 18, 2023

Contact Information

521 PARNASSUS AVE
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 476-1000

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Hospitalist

About AMY WEINBERG

This page provides the complete NPI Profile along with additional information for Amy Weinberg, a provider established in San Francisco, California with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1023705423 assigned on April 2023. The practitioner's primary taxonomy code is 208M00000X with license number A207675 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI: 1023705423
Provider Name: AMY WEINBERG MD
Gender: Female
Entity Type: Individual
Location Address: 521 PARNASSUS AVE SAN FRANCISCO, CA 94143
Location Phone: (415) 476-1000
Mailing Address: 1 BAYLOR PLZ HOUSTON, TX 77030
Is Sole Proprietor?: No
Enumeration Date: 04-18-2023
Last Update Date: 03-27-2026
Code Navigator

Location Map

Secondary Locations

1 Baylor Plz
Houston, TX 77030
(713) 798-4951

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: Hospitalist
Taxonomy Code: 208M00000X
Type: Allopathic & Osteopathic Physicians
License No.: A207675
License State: CA
Taxonomy Description: Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	207R00000X	Allopathic & Osteopathic Physicians	Internal Medicine	BP10084840 (TX)

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 1023705423, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 7 → 14 → 5 5 → 10 → 1 2 → 4