Roberta Ritter Spier
Registered Dietitian Or Nutrition Professional · Los Altos
- Medicare standing
- 1 flag on the record
- Listed below.
- Plans that list them
- 2
- 2 carriers
- Offices
- 2
On the public record
- Medicare does not list them as allowed to order and refer
Offices
2 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Plans that list them
2 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Roberta Ritter Spier’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
2 of 2 plans
| Alignment Health Sutter Advantage +More (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
Original Medicare doctor bills
$3,868
Medicare paid this office $3,868 for 28 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Therapy procedure for nutrition management, each 15 minutes | 12 | $1,717 | $38 |
| Diabetes outpatient self-management training services, individual, per 30 minutes | 13 | $1,293 | $50 |
Who their Medicare patients are
28 Original Medicare patients in 2024. Average age 75 · Health risk score 1.50. Above the middle of the specialty; the typical registered dietitian or nutrition professional clinician is at 1.43.
Conditions among them: High blood pressure 75% · Diabetes 75% · Chronic kidney disease 68%.
The office billed $10,082, Medicare allowed $4,196 and paid $3,868; for 97 services of 3 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 | 28 | 97 | 75 | 1.50 | $10,082 | $3,868 |
| 2023 | 35 | 118 | 73 | 1.42 | $13,236 | $4,925 |
| 2022 | 47 | 179 | 74 | 1.23 | $19,481 | $8,131 |
| 2021 | 50 | 203 | 73 | 1.03 | $15,210 | $6,800 |
| 2020 | 36 | 232 | 75 | 1.03 | $17,756 | $7,330 |
| 2019 | 40 | 243 | 73 | 1.29 | $18,171 | $7,190 |
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: 1 service
| Diabetes outpatient self-management training services, individual, per 30 minutes | 28 | $3,438 | $46 |
2022: 2 services
| Diabetes outpatient self-management training services, individual, per 30 minutes | 44 | $6,167 | $49 |
| Therapy procedure for nutrition management, each 15 minutes | 13 | $1,633 | $38 |
2021: 3 services
| Diabetes outpatient self-management training services, individual, per 30 minutes | 25 | $3,235 | $48 |
| Therapy procedure for nutrition management, each 15 minutes | 15 | $2,102 | $39 |
| Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes | 11 | $806 | $13 |
2020: 1 service
| Diabetes outpatient self-management training services, individual, per 30 minutes | 26 | $3,958 | $47 |
2019: 2 services
| Diabetes outpatient self-management training services, individual, per 30 minutes | 24 | $4,106 | $51 |
| Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes | 12 | $1,690 | $14 |
Professional record
- NPI
- 1871085449
- Licence
- CA 86066331
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 133V00000X (133V00000X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2018-05-30
- NPI last updated
- 2020-06-12
- NPI record certified
- 2020-06-12
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 301 Industrial Rd, San Carlos, CA, 94070