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DYLAN KAR-SHUEN CHAN M.D., PH.D.
NPI 1255578167
Otolaryngology in Palo Alto, CA

Active since January 14, 2009PECOS Enrolled
801 WELCH RD, PALO ALTO, CA 94304(650) 723-6661 Get Directions Write a Review

NPPES record last updated: January 14, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dylan Kar-shuen Chan M.d., Ph.d. NPPES

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

DYLAN KAR-SHUEN CHAN M.D., PH.D. (NPI 1255578167) is an individual otolaryngology provider in Palo Alto, California, licensed in California (A105273) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255578167
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDYLAN KAR-SHUEN CHANCredential: M.D., PH.D.
Location Address801 WELCH RDPalo Alto, CA 94304-1611
Mailing Address801 Welch RdPalo Alto, CA 94304-1611
Phone(650) 723-6661
Sole ProprietorYes
Enumeration DateJanuary 14, 2009
✔ NPI 1255578167 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · A105273
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.
801 WELCH RD, Palo Alto, CA 94304
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dylan Kar-shuen Chan M.d., Ph.d. 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.

Medicare Billing Reassignments

3

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

University Of California Sfgh Medical Group
25 mi
Endocrinology, Diabetes & Metabolism
2540 23RD ST, 2ND FLOOR, ROOM 2110
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 637 clinicians in this Medicare group
NPI 1265407381 (415) 514-9031
University Of California San Francisco
27 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
27 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

SHANNON SHAN WU MD
Student in an Organized Health Care Education/Training Program
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 723-5281
MARK S NYAEME
Student in an Organized Health Care Education/Training Program
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 725-6500
ROSEANNE REBECCA KRAUTER FNP-BC
Nurse Practitioner (Family)
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 723-6819
PROF. GERALD R POPELKA PH.D.
Audiologist
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 763-2667
ANDREW THAMBOO M.D.
Specialist
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 308-6376
MONICA HIMAANI BODD MD
Student in an Organized Health Care Education/Training Program
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 725-6500
CHAE HYUN LEE MD
Student in an Organized Health Care Education/Training Program
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (408) 886-0463
SETH JOSEPH DAVIS MD
Otolaryngology (Facial Plastic Surgery)
801 WELCH RD
PALO ALTO, CA 94304
Santa Clara County (650) 723-5281

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 Dylan Chan's NPI number?

The NPI number for Dylan Chan is 1255578167. It was assigned to this individual provider in the NPPES registry on January 14, 2009.

Where is Dylan Chan located?

Dylan Chan practices at 801 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 723-6661.

What is Dylan Chan's specialty?

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

Is Dylan Chan enrolled in Medicare?

Yes. Dylan Chan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dylan Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dylan Chan reassigns Medicare benefits to 3 organizations: University Of California Sfgh Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Dylan Chan'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 Dylan Chan was last updated on January 14, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.