Psychiatry and Neurology, Neurology · San Francisco, CA
NPI
1437186855
Since 2006
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
400 Parnassus Ave
San Francisco, CA, 94143
Phone (415) 353-2459
Groups this clinician bills Medicare through
Medicare paid, 2024
$46K
744 services
Medicare patients, 2024
287
Average age 77
Drug cost, 2024
$1.3M
3,728 prescriptions
Company payments, 2025
$0
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Chadwick W Christine was code G2211 (visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's), 238 times for 158 patients. In total Chadwick W Christine billed 744 services in 8 codes, and Medicare paid $46K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-09.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Facility | 238 | 158 | $14.18 | $3,375 |
| 99214 Office E&M - Established | Facility | 184 | 139 | $76.38 | $14K |
| 99215 Office E&M - Established | Facility | 133 | 110 | $113.59 | $15K |
| 99213 Office E&M - Established | Facility | 124 | 100 | $49.93 | $6,191 |
| 99204 Office E&M - New | Facility | 25 | 25 | $103.25 | $2,581 |
| 99205 Office E&M - New | Facility | 23 | 23 | $154.18 | $3,546 |
By year: 2022 $53K for 617 services; 2023 $44K for 534 services; 2024 $46K for 744 services.
Medicare prescription drug claims, 2024
In 2024, the drug Chadwick W Christine prescribed most often to Medicare patients was Carbidopa-Levodopa (Carbidopa/Levodopa), with 630 prescriptions and refills. In total Chadwick W Christine wrote 3,728 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Carbidopa-Levodopa Carbidopa/Levodopa | 630 | 1,674 | 176 | $35K |
| Carbidopa-Levodopa Er Carbidopa/Levodopa | 551 | 1,458 | 158 | $41K |
| Donepezil Hcl Generic | 308 | 689 | 81 | $3,916 |
| Gabapentin Generic | 185 | 433 | 52 | $4,279 |
| Rasagiline Mesylate Generic | 178 | 464 | 44 | $45K |
| Amantadine Amantadine Hcl | 178 | 423 | 44 | $12K |
| Rytary Carbidopa/Levodopa | 117 | 237 | 19 | $255K |
| Nuplazid Pimavanserin Tartrate | 115 | 115 | 14 | $552K |
| Quetiapine Fumarate Generic | 102 | 160 | 29 | $1,150 |
| Escitalopram Oxalate Generic | 97 | 252 | 27 | $1,878 |
| Trazodone Hcl Generic | 79 | 212 | 30 | $1,107 |
| Mirtazapine Generic | 78 | 196 | 22 | $1,874 |
| Bupropion Xl Bupropion Hcl | 74 | 143 | 21 | $2,061 |
| Pramipexole Dihydrochloride Pramipexole Di-Hcl | 69 | 164 | 17 | $1,502 |
| Sertraline Hcl Generic | 66 | 146 | 21 | $789 |
Brand drugs: 434 claims; generic drugs: 3,294 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Chadwick W Christine $0 (- in general payments such as food, travel and fees) from 1 company.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.