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DR. RICHARD D CHEN MD
NPI 1285602573
Family Medicine in Petaluma, CA

Active since March 10, 2006Opted out of Medicare · through Apr 17, 2027
801 MARBLE WAY, PETALUMA, CA 94954(707) 636-4363(844) 268-1466 Get Directions Write a Review

NPPES record last updated: February 17, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 17, 2021, Sep 11, 2018, Aug 26, 2016 and 1 more (4 updates tracked since 2015).

About Dr. Richard D Chen Md NPPES

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

DR. RICHARD D CHEN MD (NPI 1285602573) is an individual family medicine provider in Petaluma, California, licensed in California (G78024) and active in the NPI registry since March 2006. He has opted out of Medicare through April 17, 2027 and remains eligible to order and refer and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1285602573
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. RICHARD D CHENCredential: MD
Location Address801 MARBLE WAYPetaluma, CA 94954-8594
Mailing Address801 Marble WayPetaluma, CA 94954-8594 · (707) 636-4363 · Fax (844) 268-1466
Phone(707) 636-4363
Fax(844) 268-1466
Sole ProprietorYes
Enumeration DateMarch 10, 2006
Last NPPES UpdateFebruary 17, 20214 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2021
✔ NPI 1285602573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G78024
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedNaturopathTaxonomy 175F00000X
Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X · License G78024 (CA)
801 MARBLE WAY, Petaluma, CA 94954
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1395 Pleasant StNorthampton, MA 01060-3914 · Phone (413) 584-7787 · Fax (413) 584-7778
Location 2435 Petaluma Ave Ste 150Sebastopol, CA 95472 · Phone (707) 861-7300 · Fax (707) 823-8568

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dr. Richard D Chen Md 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 April 17, 2017 through April 17, 2027.

Opt-Out Effective DateApril 17, 2017
Opt-Out In Effect ThroughApril 17, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94954 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
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Richard Chen's NPI number?

The NPI number for Richard Chen is 1285602573. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Where is Richard Chen located?

Richard Chen practices at 801 Marble Way, Petaluma, CA 94954. The listed phone number is (707) 636-4363.

What is Richard Chen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Richard Chen enrolled in Medicare?

No. Richard Chen has opted out of Medicare through April 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Richard Chen was last updated on February 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.