DAVIS LIU MD
NPI 1700964491
Family Medicine in San Francisco, CA

NPI Status: Active since November 01, 2006

Contact Information

928 HARRISON ST STE 200
SAN FRANCISCO, CA
ZIP 94107
Phone: (415) 926-5818

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  • Individual
  • Male
  • Family Medicine

About DAVIS LIU

This page provides the complete NPI Profile along with additional information for Davis Liu, a primary care provider established in San Francisco, California with a medical specialization in Family Medicine. The healthcare provider is registered in the NPI registry with number 1700964491 assigned on November 2006. The practitioner's primary taxonomy code is 207Q00000X with license number A66821 (CA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1700964491
Provider Name
DAVIS LIU MD
Gender
Male
Entity Type
Individual
Location Address
928 HARRISON ST STE 200 SAN FRANCISCO, CA 94107
Location Phone
(415) 926-5818
Mailing Address
928 HARRISON ST STE 200 HTTPS://WWW.LEMONAIDHEALTH.COM/ SAN FRANCISCO, CA 94107
Mailing Phone
(415) 926-5818
Is Sole Proprietor?
No
Enumeration Date
11-01-2006
Last Update Date
04-21-2016
Code Navigator

A primary care provider (PCP) like Davis Liu 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

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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
A66821
License State
CA
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

ME126804 (FL)
2207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

51344 (AZ)
3207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

4301108700 (MI)
4207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

60596936 (WA)
5207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

MD456393 (PA)
6207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

281822 (NY)
7207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

75445 (GA)
8207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

36139663 (IL)
9207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

60077 (MN)
10207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

35.127997 (OH)

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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 1700964491, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 1 + 8 + 6 + 8 + 4 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1700964491.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

General Practice
928 HARRISON ST STE 200, LEMONAID HEALTH
SAN FRANCISCO, CA 94107
General Practice
928 HARRISON ST STE 200
SAN FRANCISCO, CA 94107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700964491, enumerated as an "individual" on November 01, 2006.

The provider is located at 928 HARRISON ST STE 200 SAN FRANCISCO, CA 94107 and the phone number is (415) 926-5818.

Family Medicine with taxonomy code 207Q00000X.