Doctor profile · Federal record

Dr. Robert Christensen, O.D.

Optometrist · Mill Valley, CA

  • NPI 1639246689
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
741 E Blithedale Ave
Mill Valley, CA 949411526
(415) 381-3355
fax (415) 381-9579

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #6009T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639246689. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
199
Distinct HCPCS
4
Medicare allowed
$14,688
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 67 66 $20
92250 Photography of the retina 66 66 $39
92014 Established patient complete exam of visual system 51 51 $158
92004 New patient complete exam of visual system 15 15 $185

In context: peer comparison

Among 2 peers in Mill Valley Optometrist, average services per provider: 42. This provider delivers 4.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Christensen's medical specialty?
Dr. Robert Christensen practices Optometrist in Mill Valley, CA.
Where does Dr. Robert Christensen practice?
Dr. Robert Christensen practices at 741 E Blithedale Ave, Mill Valley, CA 949411526. Office phone: 4153813355.
What is Dr. Robert Christensen's NPI?
Dr. Robert Christensen's National Provider Identifier (NPI) is 1639246689, issued by NPPES.
What procedures does Dr. Robert Christensen commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.