Psychiatry and Neurology, Neurology · Newport Beach, CA
NPI
1932246584
Since 2007
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
3900 W Coast Hwy Ste 310
Newport Beach, CA, 92663
Phone (949) 478-8858
Groups this clinician bills Medicare through
Medicare paid, 2024
$249K
3,383 services
Medicare patients, 2024
406
Average age 79
Drug cost, 2024
$532K
3,768 prescriptions
Company payments, 2025
$81.61
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William R Shankle was code 99490 (chronic, principal, and transitional care management), 861 times for 281 patients. In total William R Shankle billed 3,383 services in 14 codes, and Medicare paid $249K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-02-22.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99490 Chronic, Principal, and Transitional Care Management | Office | 861 | 281 | $50.78 | $44K |
| 99215 Office E&M - Established | Office | 605 | 366 | $142.82 | $86K |
| 96132 Behavioral Health Services | Office | 584 | 360 | $107.12 | $63K |
| 96136 Behavioral Health Services | Office | 578 | 357 | $36.38 | $21K |
| 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 | Office | 434 | 213 | $26.61 | $12K |
| 99441 Telephone Services | Office | 136 | 121 | $47.40 | $6,446 |
| 99442 Telephone Services | Office | 85 | 74 | $78.06 | $6,635 |
| 99443 Telephone Services | Office | 78 | 60 | $108.79 | $8,486 |
By year: 2022 $232K for 2,913 services; 2023 $250K for 3,184 services; 2024 $249K for 3,383 services.
Medicare prescription drug claims, 2024
In 2024, the drug William R Shankle prescribed most often to Medicare patients was Memantine Hcl Er (Memantine Hcl), with 1,142 prescriptions and refills. In total William R Shankle wrote 3,768 Medicare prescriptions that cost $532K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Memantine Hcl Er Memantine Hcl | 1,142 | 2,259 | 278 | $146K |
| Rivastigmine Generic | 736 | 1,266 | 160 | $151K |
| Dipyridamole Generic | 208 | 365 | 50 | $16K |
| Desvenlafaxine Succinate Er Desvenlafaxine Succinate | 163 | 224 | 33 | $13K |
| Galantamine Er Galantamine Hbr | 114 | 253 | 31 | $13K |
| Rivastigmine Rivastigmine Tartrate | 101 | 171 | 26 | $7,562 |
| Ropinirole Hcl Generic | 83 | 112 | 23 | $1,086 |
| Ezetimibe-Simvastatin Ezetimibe/Simvastatin | 82 | 197 | 23 | $7,331 |
| Pramipexole Dihydrochloride Pramipexole Di-Hcl | 60 | 107 | 16 | $1,287 |
| Memantine Hcl Generic | 60 | 95 | 19 | $2,167 |
| Sertraline Hcl Generic | 58 | 148 | 18 | $668 |
| Repatha Sureclick Evolocumab | 51 | 75 | Under 11 | $42K |
| Ezetimibe Generic | 48 | 101 | 13 | $1,211 |
| Escitalopram Oxalate Generic | 47 | 79 | 11 | $695 |
| Simvastatin Generic | 46 | 130 | 14 | $281 |
Brand drugs: 324 claims; generic drugs: 3,444 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William R Shankle $81.61 ($81.61 in general payments such as food, travel and fees) from 3 companies. The largest payer was Lilly USA, LLC with $58.84.
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.