COUNTY OF MARIN
NPI 1568525699
Clinic/Center - Mental Health (Including Community Mental Health Center) in Greenbrae, CA

Active since December 19, 2006
250 BON AIR, GREENBRAE, CA 94904(415) 473-7818(415) 473-4283 Get Directions Write a Review

NPPES record last updated: December 2, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About County Of Marin NPPES

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

COUNTY OF MARIN (NPI 1568525699) is a healthcare organization registered as a mental health (including community mental health center) in Greenbrae, California and active in the NPI registry since December 2006. The organization lists Rosanna Lallana, Compliance Privacy Security Ofcr, as its authorized official.

NPPES Registry Identity

NPI1568525699
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameCOUNTY OF MARIN
Location Address250 BON AIRGreenbrae, CA 94904-1702
Mailing Address20 N San Pedro RdSan Rafael, CA 94903-4188 · (415) 473-6948
Fax(415) 473-4283
Organization SubpartYes
Authorized OfficialRosanna LallanaCompliance Privacy Security Ofcr · (415) 473-2531
Enumeration DateDecember 19, 2006
Last NPPES UpdateDecember 2, 2022
NPPES CertifiedDecember 2, 2022
✔ NPI 1568525699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
250 BON AIR, Greenbrae, CA 94904

Other Identifiers 1

Medicaid000002177CA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

County Of Marin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

33

Medicare enrollment records show 33 clinicians reassign Medicare billing to County Of Marin, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Psychiatry15
Nurse Practitioner9
Marriage and Family Therapist5
Clinical Social Worker3
Internal Medicine1

Nearest to this location (20)

See all 33
Psychiatry
NPI 1013259415
250 BON AIR RD
Greenbrae, CA 94904
(415) 473-6835
✔ PECOS✔ Accepts MedicareSame address
Marriage and Family Therapist
NPI 1245861772
250 BON AIR RD STE B
Greenbrae, CA 94904
(415) 473-6190
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1083058192
250 BON AIR RD UNIT B
Greenbrae, CA 94904
(415) 473-6835
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1891028213
250 BON AIR RD SUITE 2432
Greenbrae, CA 94904
(415) 473-2538
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1134402514
250 BON AIR RD
Greenbrae, CA 94904
(415) 473-7452
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1760828453
250 BON AIR RD
Greenbrae, CA 94904
(415) 473-6835
✔ PECOS✔ Accepts MedicareSame address
Psychiatry
NPI 1477648681
250 BON AIR RD
Greenbrae, CA 94904
(415) 473-6795
✔ PECOS✔ Accepts MedicareSame address
Marriage and Family Therapist
NPI 1881746568
250 BON AIR ROAD
Greenbrae, CA 94904
(415) 499-6666
✔ PECOSSame address
Psychiatry
NPI 1346773504
240 TAMAL VISTA BLVD
Corte Madera, CA 94925
(916) 969-7074
✔ PECOS1.1 mi
Clinical Social Worker
NPI 1982785507
3270 KERNER BLVD SUITE B
San Rafael, CA 94901
(415) 473-6799
✔ PECOS2.1 mi
Clinical Social Worker
NPI 1790802445
3270 KERNER BLVD SUITE B
San Rafael, CA 94901
(415) 473-2741
✔ PECOS✔ Accepts Medicare2.1 mi
Psychiatry
NPI 1477641033
3270 KERNER BLVD SUITE B
San Rafael, CA 94901
(415) 473-2100
✔ PECOS✔ Accepts Medicare2.1 mi
Psychiatry
NPI 1760680722
3270 KERNER BLVD STE B
San Rafael, CA 94901
(415) 473-2100
✔ PECOS✔ Accepts Medicare2.1 mi
Nurse Practitioner
NPI 1447706528
3270 KERNER BLVD
San Rafael, CA 94901
(415) 473-4300
✔ PECOS✔ Accepts Medicare2.1 mi
Nurse Practitioner
NPI 1033223755
10 N SAN PEDRO RD SUITE 1020
San Rafael, CA 94903
(415) 473-4306
✔ PECOS✔ Accepts Medicare3.3 mi
Marriage and Family Therapist
NPI 1306919402
79 GRANDE PASEO
San Rafael, CA 94903
(805) 423-2008
✔ PECOS✔ Accepts Medicare5.8 mi
Marriage and Family Therapist
NPI 1821536657
411 ALAMEDA DEL PRADO
Novato, CA 94949
(415) 302-2835
✔ PECOS✔ Accepts Medicare8.0 mi
Nurse Practitioner
NPI 1508999541
1500 FRANKLIN ST
San Francisco, CA 94109
(415) 474-7310
✔ PECOS✔ Accepts Medicare13 mi
Psychiatry
NPI 1801039839
982 MISSION ST
San Francisco, CA 94103
(415) 597-8000
✔ PECOS✔ Accepts Medicare13 mi
Clinical Social Worker
NPI 1518581289
525 OREGON ST
Vallejo, CA 94590
(415) 847-8274
✔ PECOS✔ Accepts Medicare20 mi
See all 33 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 County Of Marin's NPI number?

The NPI number for County Of Marin is 1568525699. It was assigned to this organization in the NPPES registry on December 19, 2006.

Where is County Of Marin located?

County Of Marin is located at 250 Bon Air, Greenbrae, CA 94904. The listed phone number is (415) 473-7818.

What is County Of Marin's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is County Of Marin enrolled in Medicare?

Yes. County Of Marin is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through County Of Marin?

According to the CMS Revalidation Reassignment List (October 2026 release), 33 clinicians in 5 Medicare specialties reassign their Medicare billing to County Of Marin. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Psychiatry (15), Nurse Practitioner (9) and Marriage and Family Therapist (5). Of these, 8 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for County Of Marin was last updated on December 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.