Susan C Lodenquai, OD
Optometry · Los Altos
- Medicare standing
- 2 flags on the record
- Listed below.
- Plans that list them
- 8
- 3 carriers
- Offices
- 2
On the public record
- California licence: Surrendered
- 2 Medical Board actions on record
Offices
2 locations · Permanente Medical Group Inc · 10,928 clinicians in this group
Plans that list them
8 plans · 3 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Lodenquai’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
8 of 8 plans
| Aetna Medicare Eagle (PPO) | Aetna Medicare | Listed | Sep 8, 2026 |
| Aetna Medicare Enhanced (PPO) | Aetna Medicare | Listed | Sep 8, 2026 |
| Anthem Medicare Advantage (HMO-POS) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Central Health Classic Care Plan III (HMO) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Dual Access Plan (HMO D-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Embrace Care Plan (HMO C-SNP) | Central Health Medicare Plan | Listed, may be out of date | Sep 15, 2025 |
| Central Health Embrace Choice Plan (HMO C-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Valor Care Plan (HMO) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
California Medical Board record
Licence G12700 · Surrendered
Licence status: Surrendered · since 1966 · University of Minnesota Medical School. Board flags: Felony Conviction.
Licensee has surrendered his or her license to resolve a disciplinary or licensing action. No practice is permitted.
Matched on the licence number without its letter prefix; check the name before relying on it.
Public record actions
| 2021-01-21 | Board disciplineDiscipline | Surrender of license. · 13 2013234404 |
| 2013-10-21 | Felony convictionDiscipline | Pled nolo contendere to one count of violating business and professions code section 4324(A) (writing a forged prescription), one count of violating health and safety code section 11153(A)(UNLAWFUL controlled substance prescription) and one count of violating health and safety code section 11173(A)(UNLAWFULLY obtaining a controlled substance). · Superior court of california, county of los angeles · SA085268 · On 01/07/14 sentenced to three years probation with terms and conditions. |
Original Medicare doctor bills
$12,330
Medicare paid this office $12,330 for 59 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Established patient problem focused exam of visual system | 33 | $4,083 | $73 |
| Established patient complete exam of visual system | 28 | $2,954 | $106 |
| Exam of visual field with extended testing | 22 | $1,447 | $47 |
| Photography of the retina | 42 | $1,409 | $31 |
| Imaging of retina | 27 | $1,089 | $31 |
See all 6 services
| Established patient problem focused exam of visual system | 33 | $4,083 | $73 |
| Established patient complete exam of visual system | 28 | $2,954 | $106 |
| Exam of visual field with extended testing | 22 | $1,447 | $47 |
| Photography of the retina | 42 | $1,409 | $31 |
| Imaging of retina | 27 | $1,089 | $31 |
| Ultrasound scan of cornea to determine thickness | 16 | $152 | $8 |
Who their Medicare patients are
59 Original Medicare patients in 2024. Average age 76 · Women 53% · Health risk score 0.64. At or below the middle of the specialty; the typical optometry clinician is at 0.97.
Conditions among them: High blood pressure 56%.
The office billed $31,029, Medicare allowed $18,328 and paid $12,330; for 228 services of 11 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 59 | 228 | 76 | 0.64 | $31,029 | $12,330 |
| 2023 | 44 | 155 | 78 | 0.95 | $20,993 | $9,730 |
| 2022 | 52 | 159 | 77 | 0.67 | $23,846 | $9,285 |
| 2021 | 50 | 179 | 75 | 0.69 | $25,319 | $11,235 |
| 2020 | 42 | 141 | 76 | 0.66 | $19,619 | $7,499 |
| 2019 | 45 | 122 | 76 | 0.70 | $17,025 | $7,975 |
| 2018 | 38 | 105 | 77 | 0.80 | $13,588 | $6,185 |
| 2017 | 23 | 60 | 76 | 0.97 | $8,072 | $3,629 |
| 2016 | 27 | 100 | 76 | 0.79 | $11,804 | $5,658 |
| 2015 | 32 | 66 | 78 | 1.02 | $8,820 | $4,812 |
| 2014 | 27 | 42 | 76 | 0.88 | $6,130 | $3,869 |
| 2013 | 32 | 46 | 78 | 0.93 | $6,320 | $3,314 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 5 services
| Established patient problem focused exam of visual system | 26 | $3,446 | $82 |
| Established patient complete exam of visual system | 18 | $2,052 | $114 |
| Exam of visual field with extended testing | 17 | $1,481 | $62 |
| Photography of the retina | 23 | $788 | $34 |
| Imaging of retina | 16 | $756 | $36 |
2022: 5 services
| Established patient complete exam of visual system | 28 | $3,146 | $112 |
| Established patient problem focused exam of visual system | 27 | $2,765 | $69 |
| Photography of the retina | 35 | $1,017 | $27 |
| Exam of visual field with extended testing | 14 | $739 | $46 |
| Imaging of retina | 15 | $606 | $36 |
2021: 6 services
| Established patient problem focused exam of visual system | 25 | $3,220 | $73 |
| Established patient complete exam of visual system | 22 | $2,458 | $112 |
| New patient complete exam of visual system | 12 | $1,742 | $145 |
| Photography of the retina | 36 | $1,392 | $34 |
| Exam of visual field with extended testing | 17 | $1,390 | $60 |
| Imaging of retina | 13 | $496 | $35 |
2020: 4 services
| Established patient complete exam of visual system | 28 | $2,656 | $89 |
| Established patient problem focused exam of visual system | 20 | $1,702 | $59 |
| Photography of the retina | 29 | $1,103 | $38 |
| Exam of visual field with extended testing | 15 | $723 | $40 |
2019: 3 services
| Established patient complete exam of visual system | 28 | $2,880 | $103 |
| Established patient problem focused exam of visual system | 23 | $2,559 | $67 |
| Exam of visual field with extended testing | 14 | $988 | $49 |
2018: 3 services
| Established patient problem focused exam of visual system | 18 | $1,692 | $60 |
| Established patient complete exam of visual system | 18 | $1,507 | $84 |
| Exam of visual field with extended testing | 15 | $932 | $52 |
2017: 1 service
| Established patient complete exam of visual system | 16 | $1,539 | $96 |
2016: 3 services
| Established patient complete exam of visual system | 17 | $1,661 | $87 |
| Established patient problem focused exam of visual system | 16 | $1,320 | $63 |
| Exam of visual field with extended testing | 11 | $708 | $54 |
2015: 2 services
| Established patient complete exam of visual system | 19 | $1,877 | $99 |
| Established patient problem focused exam of visual system | 13 | $1,083 | $72 |
2014: 1 service
| Established patient complete exam of visual system | 21 | $2,192 | $104 |
2013: 1 service
| Established patient complete exam of visual system | 15 | $1,455 | $97 |
Drugs they prescribed that Part D paid
$1,025
Pharmacies billed $1,025 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 52) in 2024. At or below the middle of the specialty; the typical optometry clinician is at 0%.
26 generic and 26 brand-name prescriptions · $1,025 in drug cost.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Latanoprost | 38 | $248 | $7 |
Year by year
| 2024 | 52 | None | 0% (0) | 50% | $1,025 |
| 2023 | 38 | None | 0% (0) | 63% | $3,222 |
| 2022 | 26 | None | 0% (0) | None | $4,606 |
| 2021 | 26 | None | 0% (0) | 46% | $578 |
| 2020 | 31 | None | 0% (0) | None | $855 |
| 2019 | 29 | None | 0% (0) | None | $1,175 |
| 2018 | 20 | None | 0% (0) | None | $650 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 1 drug
| Latanoprost | 19 | $94 | $5 |
2022: 1 drug
| Latanoprost | 12 | $254 | $21 |
2021: 1 drug
| Latanoprost | 14 | $327 | $23 |
2020: 1 drug
| Latanoprost | 20 | $452 | $23 |
2019: 1 drug
| Latanoprost | 14 | $406 | $29 |
2018: 1 drug
| Latanoprost | 11 | $286 | $26 |
Money from drug and device companies
$400 in 2025
| 2025 | 4 | 8 | None | $400 |
| 2024 | 4 | 5 | None | $405 |
| 2023 | 2 | 3 | None | $57 |
| 2022 | 1 | 1 | None | $15 |
| 2021 | 2 | 3 | None | $43 |
| 2020 | 5 | 5 | None | $196 |
| 2019 | 2 | 4 | $250 | $535 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Johnson & Johnson Vision Care | Acuvue | $156 | 3 payments
|
| Optos | Nfc-700 | $113 | 1 payment
|
| Alcon Vision | Precision7 | $100 | 3 payments
|
| Sun Pharmaceutical Industries | Cequa | $31 | 1 payment
|
See all 8 published payments
| Sun Pharmaceutical Industries | Meals · 2025-11-21 | Cequa | $31 |
| Alcon Vision | Meals · 2025-10-17 | Precision7 | $34 |
| Alcon Vision | Meals · 2025-09-03 | None | $34 |
| Optos | Entertainment · 2025-08-18 | Nfc-700 | $113 |
| Johnson & Johnson Vision Care | Meals · 2025-06-09 | None | $9 |
| Alcon Vision | Meals · 2025-05-20 | None | $32 |
| Johnson & Johnson Vision Care | Meals · 2025-02-12 | None | $22 |
| Johnson & Johnson Vision Care | Meals · 2025-02-12 | Acuvue | $125 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $405
| Sight Sciences | Omni Surgical System | $150 | 1 payment
|
| RxSight | Rxsight Contact Lens | $114 | 1 payment
|
| Amgen | Tepezza | $97 | 1 payment
|
| Johnson & Johnson Vision Care | None | $44 | 2 payments
|
2023: $57
| Johnson & Johnson Vision Care | Acuvue | $39 | 2 payments
|
| Alcon Vision | Dailies | $18 | 1 payment
|
2022: $15
| Johnson & Johnson Vision Care | Acuvue | $15 | 1 payment
|
2021: $43
| Johnson & Johnson Vision Care | Acuvue | $30 | 2 payments
|
| Alcon Vision | Precision 1 | $13 | 1 payment
|
2020: $196
| Allergan | None | $125 | 1 payment
|
| ABB Con-Cise Optical Group | Contact Lens | $22 | 1 payment
|
| Carl Zeiss Meditec AG | None Specified | $19 | 1 payment
|
| Carl Zeiss Meditec | None Specified | $17 | 1 payment
|
| CooperVision | Paragon Crt | $13 | 1 payment
|
2019: $535
| Visioneering Technologies | None | $522 | 3 payments
|
| Johnson & Johnson Vision Care | Acuvue | $13 | 1 payment
|
Professional record
- NPI
- 1336146257
- Licence
- CA 12700California G12700: Surrendered
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 152W00000X (152W00000X)
- Mailing address
- 668b Fremont Ave, Los Altos, CA, 94024
- NPI first listed
- 2005-07-07
- NPI last updated
- 2011-11-04
This is when the NPI record was last certified, not a medical board exam.