DENISE L VILLEGAS
NPI 1891980439
Social Worker in San Francisco, CA

NPI Status: Active since September 06, 2007

Contact Information

1990 41ST AVE
SAN FRANCISCO, CA
ZIP 94116
Phone: (415) 753-7400

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  • Individual
  • Female
  • Social Worker
  • PECOS Enrolled

About DENISE VILLEGAS

This page provides the complete NPI Profile along with additional information for Denise Villegas, a provider established in San Francisco, California with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1891980439 assigned on September 2007. The practitioner's primary taxonomy code is 104100000X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1891980439
Provider Name
DENISE L VILLEGAS
Gender
Female
Entity Type
Individual
Location Address
1990 41ST AVE SAN FRANCISCO, CA 94116
Location Phone
(415) 753-7400
Mailing Address
1990 41ST AVE SAN FRANCISCO, CA 94116
Mailing Phone
(415) 753-7400
Is Sole Proprietor?
Yes
Enumeration Date
09-06-2007
Last Update Date
09-06-2007
Code Navigator

A social worker like Denise Villegas helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Medicare Participation & PECOS Enrollment Status

Denise Villegas is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Reviews for DENISE L VILLEGAS

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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 1891980439, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
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 9 → 18 → 9 9 → 18 → 9 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 8 + 8 + 0 + 4 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1891980439.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Psychologist (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Psychiatry & Neurology (Neurology)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Registered Nurse
1990 41ST AVE
SAN FRANCISCO, CA 94116
Registered Nurse
1990 41ST AVE
SAN FRANCISCO, CA 94116
Pharmacist
1990 41ST AVE
SAN FRANCISCO, CA 94116
Specialist/Technologist, Health Information
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Psychiatry & Neurology (Psychiatry)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Psychiatry & Neurology (Psychiatry)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Social Worker (Clinical)
1990 41ST AVE
SAN FRANCISCO, CA 94116
Contractor
1990 41ST AVE
SAN FRANCISCO, CA 94116
Clinic/Center (Mental Health (Including Community Mental Health Center))
1990 41ST AVE
SAN FRANCISCO, CA 94116
Community Health Worker
1990 41ST AVE
SAN FRANCISCO, CA 94116
Community Health Worker
1990 41ST AVE
SAN FRANCISCO, CA 94116

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891980439, enumerated as an "individual" on September 06, 2007.

The provider is located at 1990 41ST AVE SAN FRANCISCO, CA 94116 and the phone number is (415) 753-7400.

Social Worker with taxonomy code 104100000X.