Doctor profile · Federal record

Dr. Katherine Vanloon, MD MPH

Medical Oncology Physician (CMS: Medical Oncology) · San Francisco, CA

  • NPI 1497910335
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Divisadero St, 4Th Floor
San Francisco, CA 941153010
(415) 353-9888
fax (415) 353-7023

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
February 6, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #A108398

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497910335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
106
Distinct HCPCS
2
Medicare allowed
$17,531
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 93 41 $160
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $203

In context: peer comparison

Among 13 peers in this city , average services per provider: 70. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$3,202
Drug Type Claims Patients Total cost
Imatinib Mesylate Generic 13 0 $3,202

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Vanloon's medical specialty?
Dr. Katherine Vanloon practices Medical Oncology Physician in San Francisco, CA.
Where does Dr. Katherine Vanloon practice?
Dr. Katherine Vanloon practices at 1600 Divisadero St, San Francisco, CA 941153010. Office phone: 4153539888.
What is Dr. Katherine Vanloon's NPI?
Dr. Katherine Vanloon's National Provider Identifier (NPI) is 1497910335, issued by NPPES.
Does Dr. Katherine Vanloon accept Medicare assignment?
Yes. Dr. Katherine Vanloon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Vanloon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.