Melissa Viatori, NP
Nurse Practitioner · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
Offices
1 location
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Melissa Viatori’s office at (650) 498-6000 to ask if they take your plan before you enroll.
Original Medicare doctor bills
$19,888
Medicare paid this office $19,888 for 149 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Short return visit (20+ min) | 101 | $6,316 | $48 |
| Return visit (30+ min) | 31 | $2,914 | $73 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 28 | $2,892 | $103 |
| Advance care planning, first 30 minutes | 35 | $2,200 | $61 |
| New patient visit (45+ min) | 21 | $2,003 | $95 |
See all 7 services
| Short return visit (20+ min) | 101 | $6,316 | $48 |
| Return visit (30+ min) | 31 | $2,914 | $73 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 28 | $2,892 | $103 |
| Advance care planning, first 30 minutes | 35 | $2,200 | $61 |
| New patient visit (45+ min) | 21 | $2,003 | $95 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 11 | $758 | $69 |
| Automated urinalysis test | 17 | $37 | $2 |
Who their Medicare patients are
149 Original Medicare patients in 2024. Average age 73 · Women 71% · Health risk score 1.01. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.
Conditions among them: High blood pressure 66% · Depression 28% · Diabetes 18% · Coronary heart disease 18% · Cancer 17% · Atrial fibrillation 16% · Chronic kidney disease 15% · COPD 15%.
The office billed $41,097, Medicare allowed $25,000 and paid $19,888; for 333 services of 26 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 | 149 | 333 | 73 | 1.01 | $41,097 | $19,888 |
| 2023 | 71 | 135 | 74 | 0.93 | $15,475 | $7,693 |
| 2022 | 19 | 81 | 66 | 4.21 | $36,624 | $5,009 |
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: 3 services
| Short return visit (20+ min) | 50 | $3,038 | $52 |
| Return visit (30+ min) | 14 | $1,475 | $82 |
| Advance care planning, first 30 minutes | 11 | $693 | $63 |
2022: 1 service
| Return visit (30+ min) | 17 | $4,502 | $63 |
Drugs they prescribed that Part D paid
$73,811
Pharmacies billed $73,811 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 1% of their Part D prescriptions (12 of 1,071) in 2024. Above the middle of the specialty; the typical nurse practitioner clinician is at 0%.
937 generic and fewer than 11 brand-name prescriptions · $73,811 in drug cost · 155 antibiotic prescriptions to 115 people.
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.
| Fiasp Flextouch | 15 | $16,098 | $1,073 |
| Tresiba Flextouch U-200 | 12 | $6,475 | $540 |
| Pregabalin | 14 | $1,994 | $142 |
| Paxlovid | 12 | $1,429 | $119 |
| Synthroid | 15 | $1,053 | $70 |
See all 34 drugs
| Fiasp Flextouch | 15 | $16,098 | $1,073 |
| Tresiba Flextouch U-200 | 12 | $6,475 | $540 |
| Pregabalin | 14 | $1,994 | $142 |
| Paxlovid | 12 | $1,429 | $119 |
| Synthroid | 15 | $1,053 | $70 |
| Metoprolol | 20 | $449 | $22 |
| Pantoprazole | 23 | $321 | $14 |
| Duloxetine | 14 | $290 | $21 |
| Amoxicillin-Clavulanate Potass | 36 | $235 | $7 |
| Rosuvastatin | 25 | $232 | $9 |
| Montelukast | 16 | $183 | $11 |
| Atorvastatin | 11 | $179 | $16 |
| Doxycycline Monohydrate | 23 | $169 | $7 |
| Lisinopril | 42 | $160 | $4 |
| Nitrofurantoin Mono-Macro | 16 | $152 | $10 |
| Omeprazole | 13 | $138 | $11 |
| Gabapentin | 22 | $129 | $6 |
| Losartan | 23 | $115 | $5 |
| Lorazepam | 18 | $114 | $6 |
| Amlodipine Besylate | 37 | $113 | $3 |
| Prednisone | 23 | $108 | $5 |
| Azithromycin | 24 | $100 | $4 |
| Fluconazole | 17 | $94 | $6 |
| Ciprofloxacin | 24 | $91 | $4 |
| Meloxicam | 23 | $75 | $3 |
| Levothyroxine | 15 | $53 | $4 |
| Doxepin | 14 | $50 | $4 |
| Trazodone | 12 | $44 | $4 |
| Furosemide | 17 | $43 | $3 |
| Warfarin | 12 | $38 | $3 |
| Hydrochlorothiazide | 19 | $34 | $2 |
| Zolpidem | 17 | $32 | $2 |
| Clonazepam | 14 | $23 | $2 |
| Metformin | 16 | $20 | $1 |
Year by year
| 2024 | 1,071 | 268 | 1% (12) | None | $73,811 |
| 2023 | 209 | 78 | None | None | $13,877 |
| 2022 | 28 | None | None | None | $705 |
| 2021 | 55 | 15 | 0% (0) | None | $31,001 |
| 2020 | 36 | None | None | None | $7,752 |
| 2019 | 22 | None | None | None | $2,664 |
| 2017 | 63 | 13 | None | 17% | $11,718 |
| 2016 | 66 | 14 | None | None | $13,634 |
| 2014 | 21 | None | None | None | $353 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 4 drugs
| Amoxicillin-Clavulanate Potass | 13 | $141 | $11 |
| Lisinopril | 18 | $81 | $5 |
| Azithromycin | 11 | $72 | $7 |
| Hydrochlorothiazide | 12 | $20 | $2 |
2021: 1 drug
| Imipenem-Cilastatin | 12 | $3,534 | $294 |
2016: 1 drug
| Acyclovir | 13 | $142 | $11 |
Money from drug and device companies
$21 in 2025
| 2025 | 1 | 1 | None | $21 |
| 2024 | 2 | 5 | None | $78 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Novo Nordisk | None | $21 | 1 payment
|
See the published payment
| Novo Nordisk | Meals · 2025-03-05 | None | $21 |
See earlier years (2024)
2024: $78
| Novo Nordisk | Wegovy | $50 | 3 payments
|
| Boston Scientific | Wavewriter Alpha Prime 16 | $28 | 2 payments
|
Professional record
- NPI
- 1083937031
- Licence
- NC 202570
More record details
- Sole proprietor
- No
- Taxonomy
- Nurse practitioner (363L00000X)
- Mailing address
- 2400 Pratt St, Ste 9000, Durham, NC, 27705
- NPI first listed
- 2010-03-04
- NPI last updated
- 2016-01-21
This is when the NPI record was last certified, not a medical board exam.