Psychiatry and Neurology, Neurology · Boulder, CO
NPI
1801044722
Since 2008
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
4801 Riverbend Rd Ste 200
Boulder, CO, 80301
Phone (303) 415-8800
Groups this clinician bills Medicare through
Medicare paid, 2024
$36K
1,824 services
Medicare patients, 2024
160
Average age 73
Drug cost, 2024
$3.7M
1,687 prescriptions
Company payments, 2025
$43K
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William R Shaffer was code 99215 (office e&m - established), 93 times for 80 patients. In total William R Shaffer billed 1,824 services in 6 codes, and Medicare paid $36K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-09-27.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Office | 93 | 80 | $132.54 | $12K |
| 99205 Office E&M - New | Office | 82 | 82 | $170.45 | $14K |
| 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 | 40 | 38 | $25.48 | $1,019 |
By year: 2022 $89K for 10,501 services; 2023 $98K for 13,488 services; 2024 $36K for 1,824 services.
Medicare prescription drug claims, 2024
In 2024, the drug William R Shaffer prescribed most often to Medicare patients was Baclofen, with 130 prescriptions and refills. In total William R Shaffer wrote 1,687 Medicare prescriptions that cost $3.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Baclofen Generic | 130 | 161 | 36 | $3,473 |
| Diclofenac Sodium Generic | 108 | 118 | 45 | $1,583 |
| Rebif Rebidose Interferon Beta-1a/Albumin | 105 | 105 | 14 | $1.1M |
| Lacosamide Generic | 102 | 114 | 41 | $11K |
| Verapamil Hcl Generic | 81 | 101 | 21 | $766 |
| Amitriptyline Hcl Generic | 70 | 110 | 18 | $1,354 |
| Rebif Interferon Beta-1a/Albumin | 69 | 69 | 13 | $754K |
| Aubagio Teriflunomide | 66 | 74 | 21 | $683K |
| Dalfampridine Er Dalfampridine | 51 | 67 | 15 | $19K |
| Gabapentin Generic | 48 | 101 | 26 | $1,472 |
| Copaxone Glatiramer Acetate | 46 | 46 | Under 11 | $247K |
| Tizanidine Hcl Generic | 45 | 51 | 13 | $915 |
| Cyclobenzaprine Hcl Generic | 35 | 49 | 11 | $264 |
| Pregabalin Generic | 32 | 38 | 16 | $367 |
| Ampyra Dalfampridine | 31 | 43 | Under 11 | $169K |
Brand drugs: 421 claims; generic drugs: 1,266 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William R Shaffer $43K ($43K in general payments such as food, travel and fees) from 2 companies. The largest payer was EMD Serono, Inc. with $43K.
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.