Charlotte Mary Rajasingh, MD
Colorectal Surgery (Proctology) · 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 Dr. Rajasingh’s office to ask if they take your plan before you enroll.
Drugs they prescribed that Part D paid
$2,377
Pharmacies billed $2,377 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 46% of their Part D prescriptions (11 of 24) in 2024. Too few prescriptions to compare fairly with other clinicians.
23 generic and fewer than 11 brand-name prescriptions · $2,377 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.
| Oxycodone | 11 | $18 | $2 |
Year by year
| 2024 | 24 | 16 | 46% (11) | None | $2,377 |
| 2022 | 25 | 24 | 72% (18) | 0% | $223 |
| 2020 | 27 | 26 | 78% (21) | None | $221 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2022: 1 drug
| Oxycodone | 18 | $52 | $3 |
2020: 1 drug
| Oxycodone | 20 | $125 | $6 |
Money from drug and device companies
$104 in 2025
| 2025 | 1 | 4 | None | $104 |
| 2022 | 1 | 1 | None | $127 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Ethicon US | Echelon Flex | $104 | 4 payments
|
See all 4 published payments
| Ethicon US | Meals · 2025-12-09 | Echelon Circular | $14 |
| Ethicon US | Meals · 2025-10-30 | Echelon Flex | $47 |
| Ethicon US | Meals · 2025-08-21 | Echelon Flex | $30 |
| Ethicon US | Meals · 2025-03-04 | Echelon Flex | $14 |
See earlier years (2022)
2022: $127
| Medtronic | Interstim | $127 | 1 payment
|
Professional record
- NPI
- 1912402991
- Trained
- Stanford University School of Medicine, 2018
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 208C00000X (208C00000X); Surgery (208600000X)
- Mailing address
- 300 Pasteur Dr, Stanford, CA, 94305
- NPI first listed
- 2018-03-29
- NPI last updated
- 2026-09-10
- NPI record certified
- 2026-09-10
This is when the NPI record was last certified, not a medical board exam.