Doctor profile · Federal record

Dr. Charles Dollbaum, M.D.

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

  • NPI 1205863552
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Divisadero St Fl 2
San Francisco, CA 941153010
(415) 353-7070
fax (415) 353-7021
Mailing address
1635 Divisadero St, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 29, 2012
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #G48211
Medicaid
CA #00G482110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205863552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
1
Medicare allowed
$4,532
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 42 31 $108

In context: peer comparison

Among 13 peers in San Francisco Medical Oncology Physician, average services per provider: 70. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
121
Patients
24
Total drug cost
$3,578
Drug Type Claims Patients Total cost
Anastrozole Generic 97 24 $2,850
Tamoxifen Citrate Generic 13 0 $212
Raloxifene Hcl Generic 11 0 $516

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Dollbaum's medical specialty?
Dr. Charles Dollbaum practices Medical Oncology Physician in San Francisco, CA.
Where does Dr. Charles Dollbaum practice?
Dr. Charles Dollbaum practices at 1600 Divisadero St Fl 2, San Francisco, CA 941153010. Office phone: 4153537070.
What is Dr. Charles Dollbaum's NPI?
Dr. Charles Dollbaum's National Provider Identifier (NPI) is 1205863552, issued by NPPES.
Does Dr. Charles Dollbaum accept Medicare assignment?
Yes. Dr. Charles Dollbaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Dollbaum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.