DR. DANIEL J. VOLK PHD
NPI 1659342590
Psychologist - Clinical in Mill Valley, CA

Active since January 30, 2006Opted out of Medicare · through May 3, 2027
6 KNOLL LN, SUITE F, MILL VALLEY, CA 94941(415) 389-0235(510) 521-8253 Get Directions Write a Review

NPPES record last updated: March 20, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Daniel J. Volk Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DANIEL J. VOLK PHD (NPI 1659342590) is an individual clinical provider in Mill Valley, California, licensed in California (PSY8948) and active in the NPI registry since January 2006. He has opted out of Medicare through May 3, 2027.

NPPES Registry Identity

NPI1659342590
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. DANIEL J. VOLKCredential: PHD
Location Address6 KNOLL LN, SUITE FMill Valley, CA 94941-2326
Mailing Address57 Montford AveMill Valley, CA 94941-3335 · (415) 381-2663 · Fax (510) 521-8253
Fax(510) 521-8253
Sole ProprietorNo
Enumeration DateJanuary 30, 2006
Last NPPES UpdateMarch 20, 2008
NPI 1659342590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in CA · PSY8948
Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

6 KNOLL LN, Mill Valley, CA 94941

Other Identifiers 1

OtherPSY8948CA · Licensed Psychologist

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Daniel J. Volk Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 3, 2021 through May 3, 2027.

Opt-Out Effective DateMay 3, 2021
Opt-Out In Effect ThroughMay 3, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
6 KNOLL LN, SUITE F
MILL VALLEY, CA 94941
Marriage & Family Therapist
6 KNOLL LN, SUITE D
MILL VALLEY, CA 94941
Psychologist (Clinical)
6 KNOLL LN, SUITE F
MILL VALLEY, CA 94941
Marriage & Family Therapist
6 KNOLL LN, SUITE F
MILL VALLEY, CA 94941
Marriage & Family Therapist
6 KNOLL LN
MILL VALLEY, CA 94941
Psychologist (Clinical)
6 KNOLL LN
MILL VALLEY, CA 94941
Marriage & Family Therapist
6 KNOLL LN
MILL VALLEY, CA 94941

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Volk's NPI number?

The NPI number for Daniel Volk is 1659342590. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Where is Daniel Volk located?

Daniel Volk practices at 6 Knoll Ln Suite F, Mill Valley, CA 94941. The listed phone number is (415) 389-0235.

What is Daniel Volk's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Daniel Volk enrolled in Medicare?

No. Daniel Volk has opted out of Medicare through May 3, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Daniel Volk was last updated on March 20, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.