DR. CATHERINE MELISSA LAGUSIS M.D.
NPI 1669446209
Family Medicine in San Francisco, CA

NPI Status: Active since February 13, 2006

Contact Information

4150 CLEMENT ST
181
SAN FRANCISCO, CA
ZIP 94121
Phone: (415) 221-4810

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  • Individual
  • Female
  • Family Medicine

About CATHERINE LAGUSIS

This page provides the complete NPI Profile along with additional information for Catherine Lagusis, 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 1669446209 assigned on February 2006. The practitioner's primary taxonomy code is 207Q00000X with license number A69590 (CA). The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1669446209
Provider Name
DR. CATHERINE MELISSA LAGUSIS M.D.
Gender
Female
Entity Type
Individual
Location Address
4150 CLEMENT ST 181 SAN FRANCISCO, CA 94121
Location Phone
(415) 221-4810
Mailing Address
150 MUIR RD NORTHERN CALIFORNIA HEALTH CARE SYSTEM, VA MARTINEZ,, CA 94553
Mailing Phone
(925) 372-2131
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
02-13-2006
Last Update Date
01-11-2016
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A primary care provider (PCP) like Catherine Lagusis 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.
A69590
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.

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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 1669446209, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 8 + 4 + 1 + 2 + 2 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1669446209.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
4150 CLEMENT ST, 111C
SAN FRANCISCO, CA 94121
Internal Medicine (Geriatric Medicine)
4150 CLEMENT ST, VA MEDICAL CENTER 181G
SAN FRANCISCO, CA 94121
Internal Medicine (Gastroenterology)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Dentist (General Practice)
4150 CLEMENT ST, DEPT. 160
SAN FRANCISCO, CA 94121
Internal Medicine (Geriatric Medicine)
4150 CLEMENT ST, 181G
SAN FRANCISCO, CA 94121
Dermatology
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Dermatology
4150 CLEMENT ST, DERMATOLOGY DEPT (190)
SAN FRANCISCO, CA 94121
Nurse Practitioner
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Registered Nurse (Ambulatory Care)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Nurse Practitioner (Adult Health)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Registered Nurse (Ambulatory Care)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Nurse Practitioner (Family)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Hospice, Inpatient
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Internal Medicine (Geriatric Medicine)
4150 CLEMENT ST, SFVAMC BOX 181-G
SAN FRANCISCO, CA 94121
Internal Medicine
4150 CLEMENT ST, BLDG 1, RM306, BOX181G
SAN FRANCISCO, CA 94121
Nurse Practitioner (Adult Health)
4150 CLEMENT ST, WOMEN'S CLINIC 11C2
SAN FRANCISCO, CA 94121
Nurse Practitioner (Psychiatric/Mental Health)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Nurse Practitioner (Adult Health)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Nurse Practitioner (Primary Care)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
Nurse Practitioner (Gerontology)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669446209, enumerated as an "individual" on February 13, 2006.

The provider is located at 4150 CLEMENT ST 181 SAN FRANCISCO, CA 94121 and the phone number is (415) 221-4810.

Family Medicine with taxonomy code 207Q00000X.