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JEFFREY S. CHIEN MD
NPI 1770667776
Otolaryngology in San Rafael, CA

Active since October 25, 2006PECOS Enrolled
99 MONTECILLO RD, SAN RAFAEL, CA 94903(415) 444-2000 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jeffrey S. Chien Md NPPES

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

JEFFREY S. CHIEN MD (NPI 1770667776) is an individual otolaryngology provider in San Rafael, California, licensed in California (A78208) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770667776
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameJEFFREY S. CHIENCredential: MD
Location Address99 MONTECILLO RDSan Rafael, CA 94903-3308
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(415) 444-2000
Sole ProprietorNo
Enumeration DateOctober 25, 2006
Last NPPES UpdateDecember 22, 2021
✔ NPI 1770667776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · A78208
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
99 MONTECILLO RD, San Rafael, CA 94903
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Other Identifiers 1

Medicaid00A782080CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey S. Chien Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94903 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
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$85.00 typical visit price
range $23.44 – $166.64
Typical copayment $21.25 (range $5.86 – $41.66)
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.

MS. MARTA JUDY FRIEDMAN LCSW, JD
Social Worker (Clinical)
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 444-4396
DR. DAVID GREGORY MOSKOWITZ M.D.
Dermatology
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 444-2939
MICHELLE S. PARAISO MD
Anesthesiology
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 444-2000
CHERYL KAHN MD
Radiology (Diagnostic Radiology)
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 444-2000
PETER REIDY MD
Hospitalist
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 444-4885
MRS. JENNIFER KATE MOORE CCC SLP
Speech-Language Pathologist
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 889-3833
INNA YAKOVLEVNA SHEINSON MD
Internal Medicine
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (415) 444-2000
JENNIFER ALEXANDRIA CLARK
Nurse Anesthetist, Certified Registered
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Marin County (925) 229-7693

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 Jeffrey Chien's NPI number?

The NPI number for Jeffrey Chien is 1770667776. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Jeffrey Chien located?

Jeffrey Chien practices at 99 Montecillo Rd, San Rafael, CA 94903. The listed phone number is (415) 444-2000.

What is Jeffrey Chien's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Jeffrey Chien enrolled in Medicare?

Yes. Jeffrey Chien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jeffrey Chien was last updated on December 22, 2021. 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.