Chelsea Ann O'Brien, FNP
Family · Palo Alto
- Medicare standing
- 1 flag on the record
- Listed below.
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
On the public record
- Medicare does not list them as allowed to order and refer
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 Chelsea Ann O'Brien’s office at (888) 731-8994 to ask if they take your plan before you enroll.
Drugs they prescribed that Part D paid
$21,252
Pharmacies billed $21,252 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 55) in 2024. At or below the middle of the specialty; the typical nurse practitioner clinician is at 0%.
40 generic and 15 brand-name prescriptions · $21,252 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.
Money from drug and device companies
$18 in 2025
| 2025 | 1 | 1 | None | $18 |
| 2024 | 2 | 2 | None | $42 |
| 2021 | 1 | 1 | None | $18 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Salix Pharmaceuticals a division of Bausch Health US | Xifaxan | $18 | 1 payment
|
See the published payment
| Salix Pharmaceuticals a division of Bausch Health US | Meals · 2025-02-19 | Xifaxan | $18 |
See earlier years (2024, 2021)
2024: $42
| Paratek Pharmaceuticals | Nuzyra | $24 | 1 payment
|
| Salix Pharmaceuticals a division of Bausch Health US | Xifaxan | $18 | 1 payment
|
2021: $18
| Organon | Ganirelix Acetate | $18 | 1 payment
|
Professional record
- NPI
- 1790244218
- Licence
- NY 344156
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 363LF0000X (363LF0000X)
- Mailing address
- 55 Tanglewylde Ave, Bronxville, NY, 10708
- NPI first listed
- 2019-03-14
- NPI last updated
- 2025-06-13
- NPI record certified
- 2025-06-13
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 139 Centre St, New York, NY, 10013