Doctor profile · Federal record

Dr. Jean Nakamura, M.D.

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

  • NPI 1154369551
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 28 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
505 Parnassus Ave
San Francisco, CA 941432204
(415) 353-8900
fax (415) 353-8679
Mailing address
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A71767
Medicaid
CA #00A717670

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154369551. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
576
Distinct HCPCS
9
Medicare allowed
$52,980
HCPCS Description Services Patients Avg allowed
77334 Design and construction of complex radiation treatment device 157 25 $70
77300 Calculation of radiation therapy dose 139 27 $38
77014 Ct guidance for insertion of radiation therapy fields 119 14 $52
99215 Established patient office or other outpatient visit, 40-54 minutes 56 33 $162
77263 Complex radiation therapy planning 28 25 $193
77427 Radiation treatment management, 5 treatment sessions 27 14 $222
77295 3d radiation therapy planning 24 19 $262
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 14 11 $96
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $203

In context: peer comparison

Among 11 peers in San Francisco Radiation Oncology Physician, average services per provider: 83. This provider delivers 6.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jean Nakamura's medical specialty?
Dr. Jean Nakamura practices Radiation Oncology Physician in San Francisco, CA.
Where does Dr. Jean Nakamura practice?
Dr. Jean Nakamura practices at 505 Parnassus Ave, San Francisco, CA 941432204. Office phone: 4153538900.
What is Dr. Jean Nakamura's NPI?
Dr. Jean Nakamura's National Provider Identifier (NPI) is 1154369551, issued by NPPES.
Does Dr. Jean Nakamura accept Medicare assignment?
Yes. Dr. Jean Nakamura accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jean Nakamura commonly perform?
Top Medicare-reported procedures in 2023: Design and construction of complex radiation treatment device (HCPCS 77334); Calculation of radiation therapy dose (HCPCS 77300); Ct guidance for insertion of radiation therapy fields (HCPCS 77014). Source: CMS Medicare Physician & Other Practitioners file.