1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Family Medicine
  6. NPI Profile

DR. KWAN CHUN MD
NPI 1801986955
Family Medicine in San Francisco, CA

Active since October 12, 2006PECOS Enrolled
333 1ST ST STE A, SAN FRANCISCO, CA 94105(888) 803-3370 Get Directions Write a Review

NPPES record last updated: January 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Feb 21, 2020 (2 updates tracked since 2020).

About Dr. Kwan Chun Md NPPES

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

DR. KWAN CHUN MD (NPI 1801986955) is an individual family medicine provider in San Francisco, California, licensed in California (A90941) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801986955
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KWAN CHUNCredential: MD
Location Address333 1ST ST STE ASan Francisco, CA 94105-2661
Mailing Address333 1st St Ste ASan Francisco, CA 94105-2661 · (888) 803-3370 · Fax (888) 803-3331
Phone(888) 803-3370
Sole ProprietorYes
Enumeration DateOctober 12, 2006
Last NPPES UpdateJanuary 14, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2025
✔ NPI 1801986955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A90941
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.
333 1ST ST STE A, San Francisco, CA 94105
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kwan Chun 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.

Medicare Billing Reassignments

4

Medicare enrollment records show Kwan Chun reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Circle Medical Care Of California
Same address
Family Medicine
333 1ST ST STE A
San Francisco, CA 94105
  • Reassigned Medicare billing, California enrollment
  • 178 clinicians in this Medicare group
NPI 1134596091 (888) 803-3370
Signify Health Medical Associates Of California, PC
0.7 mi
General Practice
505 MONTGOMERY ST, FL 10 & 11
San Francisco, CA 94111
  • Reassigned Medicare billing, California enrollment
  • 407 clinicians in this Medicare group
NPI 1124685169 (972) 715-3800
Virta Medical P.C.
0.8 mi
Internal Medicine
655 MONTGOMERY ST STE 810
San Francisco, CA 94111
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Virta Medical PC
  • 23 clinicians in this Medicare group
NPI 1093225138 (844) 847-8216
Carbon Health Primary Care Of California PC
8.8 mi
Multi-Specialty
2920 TELEGRAPH AVE STE 100
Berkeley, CA 94705
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
NPI 1972057990 (510) 686-3621

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
70 services41 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
19 services19 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94105 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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.

MRS. KILEA LANAY JOHNSON MSN, RN, FNP-C
Nurse Practitioner (Family)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
CAMILA M AGUILAR
Physician Assistant
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
KENDALL CHRISTINE LUBATTI PA-C
Physician Assistant (Medical)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
JESSICA KENSER DNP
Nurse Practitioner (Family)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
MRS. ALLYSON MK COLLINS APRN
Nurse Practitioner (Primary Care)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
ANGEL WONG
Physician Assistant (Medical)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
EMMA MARIE TODD PA-C
Physician Assistant
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370
DR. BRANDI HARLOW FNP-BC
Nurse Practitioner (Family)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
San Francisco County (888) 803-3370

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 Kwan Chun's NPI number?

The NPI number for Kwan Chun is 1801986955. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is Kwan Chun located?

Kwan Chun practices at 333 1st St Ste A, San Francisco, CA 94105. The listed phone number is (888) 803-3370.

What is Kwan Chun's specialty?

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

Is Kwan Chun enrolled in Medicare?

Yes. Kwan Chun is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kwan Chun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kwan Chun reassigns Medicare benefits to 4 organizations: Circle Medical Care Of California (San Francisco, CA), Signify Health Medical Associates Of California, PC (San Francisco, CA), Virta Medical P.C. (San Francisco, CA) and Carbon Health Primary Care Of California PC (Berkeley, 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 Kwan Chun'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 Kwan Chun was last updated on January 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.