MR. MICHAEL A BEYER
NPI 1457601049
Social Worker - Clinical in San Rafael, CA

NPI Status: Active since September 11, 2012

Contact Information

16 RITTER ST
SAN RAFAEL, CA
ZIP 94901
Phone: (415) 457-8182

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  • Individual
  • Male
  • Social Worker
  • Clinical

About MICHAEL BEYER

This page provides the complete NPI Profile along with additional information for Michael Beyer, a provider established in San Rafael, California with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1457601049 assigned on September 2012. The practitioner's primary taxonomy code is 1041C0700X with license number 138713 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1457601049
Provider Name
MR. MICHAEL A BEYER
Gender
Male
Entity Type
Individual
Location Address
16 RITTER ST SAN RAFAEL, CA 94901
Location Phone
(415) 457-8182
Mailing Address
PO BOX 3517 SAN RAFAEL, CA 94912
Mailing Phone
(415) 457-8182
Is Sole Proprietor?
No
Enumeration Date
09-11-2012
Last Update Date
05-26-2026
Code Navigator

A clinical social worker like Michael Beyer is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
138713
License State
CA
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

 

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.

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
1245393503MEDICAID (05)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 1457601049, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 6 → 12 → 3 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 1 + 2 + 0 + 2 + 0 + 8 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1457601049.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
16 RITTER ST
SAN RAFAEL, CA 94901
Case Manager/Care Coordinator
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Family)
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Family)
16 RITTER ST
SAN RAFAEL, CA 94901
Registered Nurse (Case Management)
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Psychiatric/Mental Health)
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Family)
16 RITTER ST
SAN RAFAEL, CA 94901
Clinic/Center (Federally Qualified Health Center (FQHC))
16 RITTER ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
16 RITTER ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Psychiatric/Mental Health)
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner
16 RITTER ST
SAN RAFAEL, CA 94901
Social Worker
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Psychiatric/Mental Health)
16 RITTER ST
SAN RAFAEL, CA 94901
Counselor (Professional)
16 RITTER ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
16 RITTER ST
SAN RAFAEL, CA 94901
Physician Assistant
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Psychiatric/Mental Health)
16 RITTER ST
SAN RAFAEL, CA 94901
Nurse Practitioner (Psychiatric/Mental Health)
16 RITTER ST
SAN RAFAEL, CA 94901

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457601049, enumerated as an "individual" on September 11, 2012.

The provider is located at 16 RITTER ST SAN RAFAEL, CA 94901 and the phone number is (415) 457-8182.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.

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