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MR. TIMOTHY CLYDE DREBY MFT
NPI 1003103482
Marriage & Family Therapist in Oakland, CA

Active since July 06, 2011PECOS EnrolledAccepts Medicare Assignment
1211 EMBARCADERO, SUITE 300, OAKLAND, CA 94606(510) 535-1409(510) 535-1414 Get Directions Write a Review

NPPES record last updated: July 6, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. Timothy Clyde Dreby Mft NPPES

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

MR. TIMOTHY CLYDE DREBY MFT (NPI 1003103482) is an individual marriage & family therapist in Oakland, California, licensed in California (45563) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1003103482
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. TIMOTHY CLYDE DREBYCredential: MFT
Location Address1211 EMBARCADERO, SUITE 300Oakland, CA 94606-5119
Mailing Address7306 Gladys AveEl Cerrito, CA 94530-2237 · (510) 735-1358
Phone(510) 535-1409
Fax(510) 535-1414
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJuly 6, 2011
✔ NPI 1003103482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 45563
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
1211 EMBARCADERO, Oakland, CA 94606
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Other Names 1

Professional Name (2)Mr. Timothy C Dreby Mft

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Timothy Clyde Dreby Mft is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698118693
PECOS Enrollment IDI20240207000265
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

3

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

Alameda Health System
1.3 mi
Surgery
1411 E 31ST STREET
Oakland, CA 94602
  • Reassigned Medicare billing, California enrollment
  • 900 clinicians in this Medicare group
NPI 1740332931 (510) 437-4800
Sud Specialty Group - Ca
31 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088
Grow Healthcare Group PC
37 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Group psychotherapy 90853
Group psychotherapy involves individuals discussing their issues in a group setting, led by a professional therapist. It provides a supportive environment where members can learn from each other's experiences, gain different perspectives, and develop new ways to handle challenges.
44 services20 patients

Other Providers at the Same Location NPPES 20

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

EMERALD SHOVAN EVANS CMTC
Massage Therapist
1211 EMBARCADERO
OAKLAND, CA 94606
Alameda County (510) 328-4098
RUEBEN MIGUEL DELOATCH
Community/Behavioral Health
1211 EMBARCADERO, SUITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409
RECOVERY INNOVATIONS OF CALIFORNIA
Community/Behavioral Health
1211 EMBARCADERO, SUITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409
MS. DONNA KAY RAINES
Community/Behavioral Health
1211 EMBARCADERO, SUITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409
CHANDRA MIKELLE HENDERSON
Community/Behavioral Health
1211 EMBARCADERO, SUITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409
MONROE DAMIEN KING
Community/Behavioral Health
1211 EMBARCADERO, SITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409
RITA SEDILLO
Community/Behavioral Health
1211 EMBARCADERO, SUITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409
MR. DAVID HO-KANG CHIANG
Counselor (Mental Health)
1211 EMBARCADERO, SUITE 300
OAKLAND, CA 94606
Alameda County (510) 535-1409

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 Timothy Dreby's NPI number?

The NPI number for Timothy Dreby is 1003103482. It was assigned to this individual provider in the NPPES registry on July 6, 2011. The provider is also known as Mr. Timothy C Dreby Mft.

Where is Timothy Dreby located?

Timothy Dreby practices at 1211 Embarcadero Suite 300, Oakland, CA 94606. The listed phone number is (510) 535-1409.

What is Timothy Dreby's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Timothy Dreby enrolled in Medicare?

Yes. Timothy Dreby is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Timothy Dreby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Dreby reassigns Medicare benefits to 3 organizations: Alameda Health System (Oakland, CA), Sud Specialty Group - Ca (Santa Clara, CA) and Grow Healthcare Group PC (San Jose, CA). 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 Timothy Dreby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Timothy Dreby was last updated on July 6, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.