MR. RONALD MAH M.A.
NPI 1821022591
Counselor - Mental Health in San Leandro, CA

Active since July 10, 2006
433 ESTUDILLO AVE STE 305, SAN LEANDRO, CA 94577(510) 614-5641(510) 889-6553 Get Directions Write a Review

NPPES record last updated: July 15, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Counselor
  • Mental Health
  • Opted-Out Medicare

About RONALD MAH

This page provides the complete NPI Profile along with additional information for Ronald Mah, a provider established in San Leandro, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1821022591 assigned on July 2006. The practitioner's primary taxonomy code is 101YM0800X with license number MFC32136 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1821022591 Verify this NPI
Provider Name
MR. RONALD MAH M.A.
Gender
Male
Entity Type
Individual
Location Address
433 ESTUDILLO AVE STE 305 SAN LEANDRO, CA 94577
Location Phone
(510) 614-5641
Location Fax
(510) 889-6553
Mailing Address
18937 BRICKELL WAY CASTRO VALLEY, CA 94546
Mailing Phone
(510) 614-5641
Mailing Fax
(510) 889-6553
Is Sole Proprietor?
Yes
Enumeration Date
07-10-2006
Last Update Date
07-15-2007
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A mental health counselor like Ronald Mah provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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. Ronald Mah opted out of Medicare effective on 04-17-2024 until 04-17-2026. 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.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
MFC32136
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.

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
8166OTHER (01)CAACBHCS, ALAMEDA COUNTY BE

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: 04-17-2024

  • Opt-Out End Date: 04-17-2026

  • Eligible to Order and Refer? No

Reviews for MR. RONALD MAH M.A.

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Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Physical Medicine & Rehabilitation
433 ESTUDILLO AVE STE 305
SAN LEANDRO, CA 94577

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821022591, enumerated as an "individual" on July 10, 2006.

The provider is located at 433 ESTUDILLO AVE STE 305 SAN LEANDRO, CA 94577 and the phone number is (510) 614-5641.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.

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