DR. JOSEPH ANDREW KNOX MD
NPI 1457989766
Radiology - Diagnostic Radiology in Burlingame, CA

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
1501 TROUSDALE DR, BURLINGAME, CA 94010(650) 696-5509(650) 696-5995 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joseph Andrew Knox Md NPPES

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

DR. JOSEPH ANDREW KNOX MD (NPI 1457989766) is an individual diagnostic radiology provider in Burlingame, California, licensed in California (A189627) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of California, San Francisco School Of Medicine (2020).

NPPES Registry Identity

NPI1457989766
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JOSEPH ANDREW KNOXCredential: MD
Location Address1501 TROUSDALE DRBurlingame, CA 94010-4506
Mailing AddressPo Box 6102Novato, CA 94948-6102 · (415) 884-9125
Fax(650) 696-5995
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1457989766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A189627
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1501 TROUSDALE DR, Burlingame, CA 94010

Secondary Practice Locations 3

Location 11101 Van Ness Ave Fl 3San Francisco, CA 94109-6919 · Phone (415) 600-3232 · Fax (415) 447-6335
Location 25176 Hill Rd ELakeport, CA 95453-6300 · Phone (707) 262-5000 · Fax (415) 209-1502
Location 3100 S San Mateo DrSan Mateo, CA 94401-3805 · Phone (650) 696-4515 · Fax (650) 696-4637

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joseph Andrew Knox 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 ID1254841133
PECOS Enrollment IDI20250610001758
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

5

Medicare enrollment records show Joseph Knox reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Diagnostic Radiology
1101 VAN NESS AVE
San Francisco, CA 94109
  • Reassigned Medicare billing, California enrollment
  • 96 clinicians in this Medicare group
Multi-Specialty
795 EL CAMINO REAL
Palo Alto, CA 94301
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
Multi-Specialty
2720 LOW CT
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 3,056 clinicians in this Medicare group

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 94010 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

Surgery (Surgical Oncology)
1501 TROUSDALE DR
BURLINGAME, CA 94010
Family Medicine
1501 TROUSDALE DR, 3RD FLOOR
BURLINGAME, CA 94010
Hospitalist
1501 TROUSDALE DR
BURLINGAME, CA 94010
Surgery (Vascular Surgery)
1501 TROUSDALE DR, 5TH FLOOR
BURLINGAME, CA 94010
Hospitalist
1501 TROUSDALE DR
BURLINGAME, CA 94010
Internal Medicine (Cardiovascular Disease)
1501 TROUSDALE DR, 2ND FLOOR
BURLINGAME, CA 94010
Pediatrics
1501 TROUSDALE DR
BURLINGAME, CA 94010
Internal Medicine (Clinical Cardiac Electrophysiology)
1501 TROUSDALE DR
BURLINGAME, CA 94010

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 Joseph Knox's NPI number?

The NPI number for Joseph Knox is 1457989766. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Joseph Knox located?

Joseph Knox practices at 1501 Trousdale Dr, Burlingame, CA 94010. The listed phone number is (650) 696-5509.

What is Joseph Knox's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Joseph Knox enrolled in Medicare?

Yes. Joseph Knox 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.

Which organizations bill Medicare for Joseph Knox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Knox reassigns Medicare benefits to 5 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), California Advanced Imaging Medical Associates Inc (San Francisco, CA), Sutter Bay Medical Foundation (Palo Alto, CA) and Sutter Valley Medical Foundation (Fairfield, 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 Joseph Knox'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 Joseph Knox was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.