General Practice · Chico, CA
NPI
1245261114
Since 2006
Specialty
General Practice
Code 208D00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
1040 Mangrove Ave
Chico, CA, 95926
Phone (530) 345-0064
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.4M
71,829 services
Medicare patients, 2024
1,534
Average age 75
Drug cost, 2024
$2.3M
19,906 prescriptions
Company payments, 2025
$4,528
From 36 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Randall S Williams was code J3111 (injection, romosozumab-aqqg, 1 mg), 22,051 times for 23 patients. In total Randall S Williams billed 71,829 services in 197 codes, and Medicare paid $1.4M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J3111 Injection, romosozumab-aqqg, 1 mg | Office | 22,051 | 23 | $8.68 | $191K |
| J0897 Injection, denosumab, 1 mg | Office | 12,480 | 122 | $20.39 | $255K |
| J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg | Office | 5,792 | 75 | $13.74 | $80K |
| J1010 Injection, methylprednisolone acetate, 1 mg | Office | 4,480 | 52 | $0.09 | $415 |
| 99213 Office E&M - Established | Office | 3,721 | 1,285 | $61.50 | $229K |
| 36415 Venipuncture Blood Collection | Office | 2,026 | 1,098 | $8.59 | $17K |
| 83036 Blood Count | Office | 1,274 | 969 | $9.43 | $12K |
| 85025 Blood Count | Office | 1,212 | 986 | $7.60 | $9,216 |
| 80053 Clinical Chemistry | Office | 1,189 | 985 | $10.33 | $12K |
| 80061 Clinical Chemistry | Office | 1,134 | 985 | $12.98 | $15K |
| 84443 Clinical Chemistry | Office | 1,007 | 930 | $16.43 | $17K |
| 82306 Clinical Chemistry | Office | 960 | 922 | $28.76 | $28K |
| 82607 Clinical Chemistry | Office | 960 | 935 | $14.73 | $14K |
| 82746 Clinical Chemistry | Office | 932 | 920 | $14.38 | $13K |
| J2250 Injection, midazolam hydrochloride, per 1 mg | Office | 863 | 142 | $0.09 | $80.35 |
By year: 2022 $1.2M for 63,349 services; 2023 $1.2M for 56,932 services; 2024 $1.4M for 71,829 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 2,026 | 1,098 | $8.59 | $17K |
| 83036 Blood Count | 1,274 | 969 | $9.43 | $12K |
| 85025 Blood Count | 1,212 | 986 | $7.60 | $9,216 |
| 80053 Clinical Chemistry | 1,189 | 985 | $10.33 | $12K |
| 80061 Clinical Chemistry | 1,134 | 985 | $12.98 | $15K |
| 84443 Clinical Chemistry | 1,007 | 930 | $16.43 | $17K |
| 82607 Clinical Chemistry | 960 | 935 | $14.73 | $14K |
| 82306 Clinical Chemistry | 960 | 922 | $28.76 | $28K |
| 82746 Clinical Chemistry | 932 | 920 | $14.38 | $13K |
| 86141 Clinical Chemistry | 850 | 839 | $12.66 | $11K |
Medicare prescription drug claims, 2024
In 2024, the drug Randall S Williams prescribed most often to Medicare patients was Rosuvastatin Calcium, with 1,563 prescriptions and refills. In total Randall S Williams wrote 19,906 Medicare prescriptions that cost $2.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Rosuvastatin Calcium Generic | 1,563 | 4,557 | 455 | $28K |
| Levothyroxine Sodium Generic | 756 | 2,091 | 204 | $11K |
| Amlodipine Besylate Generic | 728 | 2,112 | 225 | $4,695 |
| Atorvastatin Calcium Generic | 689 | 1,992 | 227 | $6,762 |
| Olmesartan Medoxomil Generic | 634 | 1,805 | 192 | $16K |
| Mounjaro Tirzepatide | 585 | 626 | 87 | $623K |
| Famotidine Generic | 544 | 1,504 | 165 | $5,913 |
| Losartan Potassium Generic | 537 | 1,545 | 151 | $5,775 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 480 | 480 | 86 | $13K |
| Metformin Hcl Generic | 407 | 1,080 | 117 | $4,487 |
| Tramadol Hcl Generic | 376 | 384 | 81 | $2,379 |
| Lisinopril Generic | 376 | 1,087 | 114 | $2,202 |
| Arexvy Rsvpref3 Antigen/As01e/Pf | 365 | 365 | 364 | $114K |
| Pantoprazole Sodium Generic | 318 | 809 | 104 | $4,451 |
| Gabapentin Generic | 306 | 540 | 71 | $5,882 |
Brand drugs: 3,026 claims; generic drugs: 16,812 claims; opioid claims: 965.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Randall S Williams $4,528 ($4,528 in general payments such as food, travel and fees) from 36 companies. The largest payer was Abbvie Inc. with $798.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 56 | $798 |
| Amgen Inc. AMGN | 50 | $621 |
| Novo Nordisk Inc NVO | 20 | $436 |
| Pfizer Inc. PFE | 26 | $387 |
| AstraZeneca Pharmaceuticals LP AZN | 9 | $289 |
| Madrigal Pharmaceuticals MDGL | 5 | $256 |
| Lilly USA, LLC LLY | 15 | $208 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 9 | $144 |
| Abbott Laboratories ABT | 6 | $118 |
| Vertex Pharmaceuticals Incorporated VRTX | 4 | $112 |
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.