DR. MICHAEL RAMSEY D.O.
NPI 1205052693
Psychiatry & Neurology - Child & Adolescent Psychiatry in Mill Valley, CA

Q: What is Michael Ramsey's NPI number?

The NPI number for Michael Ramsey is 1205052693. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Q: What is Michael Ramsey's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for Michael Ramsey was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.

Active since April 17, 2007PECOS Enrolled

655 REDWOOD HWY FRONTAGE RD STE 261, MILL VALLEY, CA 94941(415) 704-7066(415) 358-3225 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 9, 2021, Jan 27, 2017 (2 updates tracked since 2017).

On this page

About Dr. Michael Ramsey D.o. NPPES

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

DR. MICHAEL RAMSEY D.O. (NPI 1205052693) is an individual child & adolescent psychiatry provider in Mill Valley, California, licensed in Washington (OP60196171) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205052693

Entity TypeIndividualMale

Primary Taxonomy2084P0804X

Provider Legal NameDR. MICHAEL RAMSEYCredential: D.O.

Location Address655 REDWOOD HWY FRONTAGE RD STE 261Mill Valley, CA 94941-3011

Mailing Address655 Redwood Hwy Frontage Rd Ste 261Mill Valley, CA 94941-3011 · (415) 704-7066 · Fax (415) 358-3225

Phone(415) 704-7066

Fax(415) 358-3225

Sole ProprietorNo

Enumeration DateApril 17, 2007

Last NPPES UpdateJune 8, 20262 updates tracked since enumeration

NPPES CertifiedJune 8, 2026

✔ NPI 1205052693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

Licenses✔ Licensed in WA · OP60196171✔ Licensed in CA · 20A23590

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

655 REDWOOD HWY FRONTAGE RD STE 261, Mill Valley, CA 94941

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael Ramsey D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Michael Ramsey reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sound

661 mi

Mental Health (Including Community Mental Health Center)

6400 SOUTHCENTER BLVD
Tukwila, WA 98188

Reassigned Medicare billing, Washington enrollment
103 clinicians in this Medicare group

NPI 1780774950 (206) 901-2000

Lightheart Associates Ps

676 mi

Psychologist

7902 168TH AVE NE, SUITE 101
Redmond, WA 98052

Reassigned Medicare billing, Washington enrollment
69 clinicians in this Medicare group

NPI 1609221720 (425) 996-8592

Compass Health

695 mi

Community/Behavioral Health

4526 FEDERAL AVE
Everett, WA 98203

Reassigned Medicare billing, Washington enrollment
82 clinicians in this Medicare group

NPI 1730136201 (425) 349-6200

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

Other Providers at the Same Location NPPES 3

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

BRITTANY SMITH MD

Psychiatry & Neurology (Psychiatry)

655 REDWOOD HWY FRONTAGE RD STE 261
MILL VALLEY, CA 94941

Marin County (415) 381-1690

DR. MATTHEW CRAIG WILLIAMS MD

Psychiatry & Neurology (Child & Adolescent Psychiatry)

655 REDWOOD HWY FRONTAGE RD STE 261
MILL VALLEY, CA 94941

Marin County (415) 381-1690

RICHARD GOLDWASSER, MD AND ASSOCIATES

Psychiatry & Neurology (Child & Adolescent Psychiatry)

655 REDWOOD HWY FRONTAGE RD STE 261
MILL VALLEY, CA 94941

Marin County (415) 479-6000

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 Michael Ramsey's NPI number?

The NPI number for Michael Ramsey is 1205052693. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Where is Michael Ramsey located?

Michael Ramsey practices at 655 Redwood Hwy Frontage Rd Ste 261, Mill Valley, CA 94941. The listed phone number is (415) 704-7066.

What is Michael Ramsey's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Michael Ramsey enrolled in Medicare?

Yes. Michael Ramsey is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Ramsey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ramsey reassigns Medicare benefits to 3 organizations: Sound (Tukwila, WA), Lightheart Associates Ps (Redmond, WA) and Compass Health (Everett, WA). Each 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 Michael Ramsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Ramsey accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Michael Ramsey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Ramsey was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.