LAWRENCE L. CHAO, MD A PROFESSIONAL CORP.
NPI 1922422526
Clinic/Center - Primary Care in San Francisco, CA

NPI Status: Active since February 18, 2014

Contact Information

2645 OCEAN AVE
SUITE 207
SAN FRANCISCO, CA
ZIP 94132
Phone: (415) 333-3302
Fax: (415) 692-8688

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  • Organization
  • Clinic/Center
  • Primary Care

About LAWRENCE L. CHAO, MD A PROFESSIONAL CORP.

This page provides the complete NPI Profile along with additional information for Lawrence L. Chao, Md A Professional Corp., a primary care provider established in San Francisco, California operating as a Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1922422526 assigned on February 2014. The practitioner's primary taxonomy code is 261QP2300X with license number A55511 (CA). The provider is registered as an organization and their NPI record was last updated 12 years ago. The authorized official of this NPI record is Dr. Lawrence L Chao M.d. (President)

NPI
1922422526
Provider Name
LAWRENCE L. CHAO, MD A PROFESSIONAL CORP.
Entity Type
Organization
Location Address
2645 OCEAN AVE SUITE 207 SAN FRANCISCO, CA 94132
Location Phone
(415) 333-3302
Location Fax
(415) 692-8688
Mailing Address
2645 OCEAN AVE SUITE 207 SAN FRANCISCO, CA 94132
Mailing Phone
(415) 333-3302
Mailing Fax
(415) 692-8688
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
02-18-2014
Last Update Date
02-18-2014
Code Navigator

A primary care provider (PCP) like Lawrence L. Chao, Md A Professional Corp. 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

Clinic/Center Primary Care

Taxonomy Code
261QP2300X
Type
Ambulatory Health Care Facilities
License No.
A55511
License State
CA

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

DR. LAWRENCE L CHAO M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(415) 333-3302

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
G79217MEDICARE UPIN (02)CA 

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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 1922422526, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 4 → 8 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 8 + 2 + 4 + 5 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1922422526.

Other Providers at the Same Location


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

Obstetrics & Gynecology
2645 OCEAN AVE, STE 309
SAN FRANCISCO, CA 94132
Family Medicine
2645 OCEAN AVE, SUITE 303
SAN FRANCISCO, CA 94132
Family Medicine
2645 OCEAN AVE, SUITE 303
SAN FRANCISCO, CA 94132
Internal Medicine
2645 OCEAN AVE, SUITE 207
SAN FRANCISCO, CA 94132
General Practice
2645 OCEAN AVE, SUITE 209
SAN FRANCISCO, CA 94132
Technician/Technologist (Optician)
2645 OCEAN AVE, SUITE #2
SAN FRANCISCO, CA 94132
Clinic/Center (Medical Specialty)
2645 OCEAN AVE, 301
SAN FRANCISCO, CA 94132
Dentist (General Practice)
2645 OCEAN AVE, SUITE 203
SAN FRANCISCO, CA 94132
Marriage & Family Therapist
2645 OCEAN AVE, SUITE 206
SAN FRANCISCO, CA 94132
Internal Medicine (Hematology & Oncology)
2645 OCEAN AVE, SUITE 305
SAN FRANCISCO, CA 94132
Internal Medicine
2645 OCEAN AVE, SUITE 301
SAN FRANCISCO, CA 94132
Marriage & Family Therapist
2645 OCEAN AVE, SUITE # 206
SAN FRANCISCO, CA 94132
Pediatrics
2645 OCEAN AVE, #104
SAN FRANCISCO, CA 94132
Physician Assistant
2645 OCEAN AVE, #303
SAN FRANCISCO, CA 94132
Surgery
2645 OCEAN AVE, SUITE 307
SAN FRANCISCO, CA 94132
Dentist
2645 OCEAN AVE, SUITE 203
SAN FRANCISCO, CA 94132
Technician/Technologist (Optician)
2645 OCEAN AVE, SUITE 2
SAN FRANCISCO, CA 94132
Dentist (General Practice)
2645 OCEAN AVE, SUITE 210
SAN FRANCISCO, CA 94132
Marriage & Family Therapist
2645 OCEAN AVE, SUITE 206
SAN FRANCISCO, CA 94132
Dentist
2645 OCEAN AVE, SUITE 306
SAN FRANCISCO, CA 94132

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922422526, enumerated as an "organization" on February 18, 2014.

The provider is located at 2645 OCEAN AVE SUITE 207 SAN FRANCISCO, CA 94132 and the phone number is (415) 333-3302.

Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.

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