CYNTHIA S. MATES MD
NPI 1679645329
Dermatology in Martinez, CA

Active since November 15, 2006PECOS EnrolledAccepts Medicare Assignment
200 MUIR RD, MARTINEZ, CA 94553(925) 372-1000 Get Directions Write a Review

NPPES record last updated: January 6, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Cynthia S. Mates Md NPPES

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

CYNTHIA S. MATES MD (NPI 1679645329) is an individual dermatology provider in Martinez, California, licensed in California (A91022) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1999).

NPPES Registry Identity

NPI1679645329
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameCYNTHIA S. MATESCredential: MD
Location Address200 MUIR RDMartinez, CA 94553-4614
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1999
Enumeration DateNovember 15, 2006
Last NPPES UpdateJanuary 6, 2022
NPI 1679645329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in CA · A91022
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
200 MUIR RD, Martinez, CA 94553

Other Names 1

Former Name (1)Cynthia Joy Sasaki

Other Identifiers 1

Medicaid00A910220CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Cynthia S. Mates Md 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 ID2961485974
PECOS Enrollment IDI20051201000812
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94553 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pharmacist
200 MUIR RD
MARTINEZ, CA 94553
Pediatrics (Adolescent Medicine)
200 MUIR RD
MARTINEZ, CA 94553
Family Medicine
200 MUIR RD
MARTINEZ, CA 94553
Pharmacist
200 MUIR RD
MARTINEZ, CA 94553
Speech-Language Pathologist
200 MUIR RD, HOME HEALTH OFFICES
MARTINEZ, CA 94553
Pharmacist
200 MUIR RD
MARTINEZ, CA 94553
Physical Therapist
200 MUIR RD, KAISER HOME HEALTH AGENCY
MARTINEZ, CA 94553
Dietitian, Registered
200 MUIR RD
MARTINEZ, CA 94553

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 Cynthia Mates's NPI number?

The NPI number for Cynthia Mates is 1679645329. It was assigned to this individual provider in the NPPES registry on November 15, 2006. The provider is also known as Cynthia Joy Sasaki.

Where is Cynthia Mates located?

Cynthia Mates practices at 200 Muir Rd, Martinez, CA 94553. The listed phone number is (925) 372-1000.

What is Cynthia Mates's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Cynthia Mates enrolled in Medicare?

Yes. Cynthia Mates 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.

When was this NPI record last updated?

The NPPES record for Cynthia Mates was last updated on January 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.