Doctor profile · Federal record
Dr. Alexandra Duffy, D.O.
Neurology Physician (CMS: Neurology) · Sacramento, CA
- NPI 1316212814
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4860 Y St
Sacramento, CA 958172307
(916) 703-5078
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #20A12176
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316212814. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
478
Distinct HCPCS
7
Medicare allowed
$52,870
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 244 | 186 | $148 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 86 | 77 | $101 | |
95874 |
Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 45 | 16 | $20 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 38 | 14 | $82 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 37 | 27 | $33 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $69 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $135 |
In context: peer comparison
Among 21 peers in Sacramento Neurology Physician, average services per provider: 241. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,196
Patients
266
Total drug cost
$892,689
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 432 | 112 | $34,497 |
| Carbidopa-Levodopa ER (Carbidopa/Levodopa) | Brand | 199 | 61 | $10,976 |
| Sertraline Hcl | Generic | 120 | 25 | $1,466 |
| Austedo (Deutetrabenazine) | Brand | 69 | 0 | $655,122 |
| Rytary (Carbidopa/Levodopa) | Brand | 69 | 19 | $112,517 |
| Gabapentin | Generic | 49 | 15 | $802 |
| Donepezil Hcl | Generic | 37 | 11 | $826 |
| Clonazepam | Generic | 35 | 12 | $856 |
| Ongentys (Opicapone) | Brand | 35 | 0 | $33,119 |
| Rasagiline Mesylate | Generic | 33 | 0 | $18,986 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexandra Duffy's medical specialty?
Dr. Alexandra Duffy practices Neurology Physician in Sacramento, CA.
Where does Dr. Alexandra Duffy practice?
Dr. Alexandra Duffy practices at 4860 Y St, Sacramento, CA 958172307. Office phone: 9167035078.
What is Dr. Alexandra Duffy's NPI?
Dr. Alexandra Duffy's National Provider Identifier (NPI) is 1316212814, issued by NPPES.
Does Dr. Alexandra Duffy accept Medicare assignment?
Yes. Dr. Alexandra Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Duffy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle (HCPCS 95874). Source: CMS Medicare Physician & Other Practitioners file.