ANNE ALPERS PHD
NPI 1821673674
Psychologist - Counseling in San Francisco, CA

NPI Status: Active since March 12, 2021

Contact Information

2021 FILLMORE ST # 2091
SAN FRANCISCO, CA
ZIP 94115
Phone: (650) 382-4995

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  • Individual
  • Female
  • Psychologist
  • Counseling
  • Opted-Out Medicare

About ANNE ALPERS

This page provides the complete NPI Profile along with additional information for Anne Alpers, a provider established in San Francisco, California with a medical specialization in Psychologist, focusing in counseling . The healthcare provider is registered in the NPI registry with number 1821673674 assigned on March 2021. The practitioner's primary taxonomy code is 103TC1900X with license number 31979 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1821673674
Provider Name
ANNE ALPERS PHD
Other Name
DR. ANNIE ALPERS PHD
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
2021 FILLMORE ST # 2091 SAN FRANCISCO, CA 94115
Location Phone
(650) 382-4995
Mailing Address
PO BOX 170104 SAN FRANCISCO, CA 94117
Mailing Phone
(650) 796-6058
Is Sole Proprietor?
Yes
Enumeration Date
03-12-2021
Last Update Date
10-05-2021
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The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Anne Alpers opted out of Medicare effective on 03-05-2024 until 03-05-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.

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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

Psychologist Counseling

Taxonomy Code
103TC1900X
Type
Behavioral Health & Social Service Providers
License No.
31979
License State
CA
Taxonomy Description
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.

Medicare Participation & PECOS Enrollment Status

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.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 03-05-2024

  • Opt-Out End Date: 03-05-2026

  • Eligible to Order and Refer? No

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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 1821673674, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 6 → 12 → 3 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 2 + 7 + 6 + 6 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1821673674.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821673674, enumerated as an "individual" on March 12, 2021.

The provider is located at 2021 FILLMORE ST # 2091 SAN FRANCISCO, CA 94115 and the phone number is (650) 382-4995.

Psychologist with taxonomy code 103TC1900X and a focus in Counseling.