Doctor profile · Federal record
Dr. Ariele Greenfield, M.D.
Neurology Physician (CMS: Neurology) · Mountain View, CA
- NPI 1114214566
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7300 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- July 2011 — 15 yrs on file
- Profile last updated
- October 23, 2019
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #A122857
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114214566. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
226
Distinct HCPCS
5
Medicare allowed
$35,637
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 109 | 84 | $217 | |
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 | 59 | 35 | $38 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 29 | $156 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $111 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $265 |
In context: peer comparison
Among 5 peers in Mountain View Neurology Physician, average services per provider: 489. This provider delivers 0.5× the peer median.Open Payments
Industry payments received
All-time total
$1,057
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tg Therapeutics, INC. | 1 | $1,013.00 | |
| Novartis Pharmaceuticals Corporation | 1 | $15.49 | |
| Genentech, INC. | 1 | $14.43 | |
| Abbvie INC. | 1 | $13.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
509
Patients
99
Total drug cost
$428,247
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Memantine Hcl | Generic | 89 | 22 | $5,942 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 76 | 27 | $4,791 |
| Donepezil Hcl | Generic | 64 | 20 | $1,118 |
| Gabapentin | Generic | 54 | 19 | $1,327 |
| Levetiracetam | Generic | 36 | 11 | $2,208 |
| Nurtec Odt (Rimegepant Sulfate) | Brand | 27 | 0 | $62,736 |
| Propranolol Hcl | Generic | 26 | 0 | $604 |
| Carbamazepine | Generic | 24 | 0 | $1,444 |
| Dalfampridine ER (Dalfampridine) | Brand | 18 | 0 | $6,835 |
| Nortriptyline Hcl | Generic | 18 | 0 | $482 |
Frequently asked questions
What is Dr. Ariele Greenfield's medical specialty?
Dr. Ariele Greenfield practices Neurology Physician in Mountain View, CA.
Where does Dr. Ariele Greenfield practice?
Dr. Ariele Greenfield practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347300.
What is Dr. Ariele Greenfield's NPI?
Dr. Ariele Greenfield's National Provider Identifier (NPI) is 1114214566, issued by NPPES.
Does Dr. Ariele Greenfield accept Medicare assignment?
Yes. Dr. Ariele Greenfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ariele Greenfield commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); 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 (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.