Doctor profile · Federal record

Dr. Michael Thaanum, O.D.

Optometrist · Hayward, CA

  • NPI 1285785915
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 Southland Mall
Hayward, CA 945452148
(510) 887-2800
fax (510) 887-2812
Mailing address
228 del Monte Shoppiing Center
Monterey, CA 93940

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 14, 2009
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #6571TPA
Medicaid
CA #1306035118

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285785915. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
275
Distinct HCPCS
4
Medicare allowed
$34,503
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 103 103 $104
92014 Established patient complete exam of visual system 83 83 $145
92002 New patient problem focused exam of visual system 50 50 $99
92004 New patient complete exam of visual system 39 39 $173

In context: peer comparison

Among 1 peers in Hayward Optometrist, average services per provider: 68. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Thaanum's medical specialty?
Dr. Michael Thaanum practices Optometrist in Hayward, CA.
Where does Dr. Michael Thaanum practice?
Dr. Michael Thaanum practices at 500 Southland Mall, Hayward, CA 945452148. Office phone: 5108872800.
What is Dr. Michael Thaanum's NPI?
Dr. Michael Thaanum's National Provider Identifier (NPI) is 1285785915, issued by NPPES.
What procedures does Dr. Michael Thaanum commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); New patient problem focused exam of visual system (HCPCS 92002). Source: CMS Medicare Physician & Other Practitioners file.