SOPHIA HUIMIN CHAN MD
NPI 1649854704
Obstetrics & Gynecology in Santa Rosa, CA

Active since May 05, 2021PECOS EnrolledAccepts Medicare Assignment
34 MARK WEST SPRINGS RD FL 2, SANTA ROSA, CA 95403(707) 541-7900(707) 573-5413 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 12, 2025, May 18, 2021, May 5, 2021 (3 updates tracked since 2021).

About Sophia Huimin Chan Md NPPES

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

SOPHIA HUIMIN CHAN MD (NPI 1649854704) is an individual obstetrics & gynecology provider in Santa Rosa, California, licensed in California (A200705) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1649854704
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSOPHIA HUIMIN CHANCredential: MD
Location Address34 MARK WEST SPRINGS RD FL 2Santa Rosa, CA 95403-1766
Mailing Address34 Mark West Springs Rd Fl 2Santa Rosa, CA 95403-1766 · (707) 541-7900 · Fax (707) 573-5413
Fax(707) 573-5413
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 5, 2021
Last NPPES UpdateJune 12, 20253 updates tracked since enumeration
NPPES CertifiedJune 12, 2025
NPI 1649854704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in CA · A200705
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

34 MARK WEST SPRINGS RD FL 2, Santa Rosa, CA 95403

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

Sophia Huimin Chan 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 ID9133522303
PECOS Enrollment IDI20250930002690
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 95403 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
$142.00 typical visit price
range $63.04 – $187.01
Typical copayment $35.50 (range $15.76 – $46.75)
Most-billed visit code 99204
Established Patient
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
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 16

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

Nurse Practitioner (Family)
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Obstetrics & Gynecology
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Nurse Practitioner
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Physician Assistant
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Internal Medicine (Transplant Hepatology)
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Physician Assistant (Medical)
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Family Medicine
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Internal Medicine (Gastroenterology)
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403

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 Sophia Chan's NPI number?

The NPI number for Sophia Chan is 1649854704. It was assigned to this individual provider in the NPPES registry on May 5, 2021.

Where is Sophia Chan located?

Sophia Chan practices at 34 Mark West Springs Rd Fl 2, Santa Rosa, CA 95403. The listed phone number is (707) 541-7900.

What is Sophia Chan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Sophia Chan enrolled in Medicare?

Yes. Sophia Chan 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 Sophia Chan was last updated on June 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.