DR. CLAYTON LANHAM MD
Prescription History 1831848951
Family Medicine in Lake Geneva, WI

Active since March 23, 2022PECOS EnrolledAccepts Medicare Assignment
146 E GENEVA SQ, LAKE GENEVA, WI 53147(262) 249-4660 Get Directions

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 12, 2025, Jun 29, 2025, Jul 12, 2022 (3 updates tracked since 2022).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. CLAYTON LANHAM MD, an active Family Medicine specialist practicing in Lake Geneva, WI. Our medical registry currently tracks 4 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 54 documented patient claims. Among these therapy options, the most frequently utilized medication is Hydrocodone-Acetaminophen, which accounts for 19 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.

4
Medications
54
Total Claims
64
30-Day Fills
Hydrocodone-Acetaminophen
Most Prescribed · 19 claims
View details
4 medications · 2024 Medicare Part D
Medicare Part D medications prescribed by DR. CLAYTON LANHAM MD in 2024, with prescription volumes, average cost per fill, and WI state comparisons
Medication Prescriptions (2024)Rx (2024) Avg Cost per FillCost / Fill Vs. Other WI PrescribersVs. WI Avg

About Hydrocodone-Acetaminophen: This combination medication is used to relieve moderate to severe pain. Show more ▾

It contains an opioid pain reliever (hydrocodone) and a non-opioid pain reliever (acetaminophen). Hydrocodone works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever.

In 2024, this provider wrote 19 Medicare prescriptions for Hydrocodone-Acetaminophen, about a third of the volume of the typical Wisconsin prescriber of this medication (53.4). Medicare paid an average of $25.40 per fill, versus $18.18 statewide.

How often this provider prescribes it

This provider
19
WI average
53.4

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$25.40
WI average
$18.18

Gross Part D cost per fill; not the patient's out-of-pocket price.

19
30-Day Fills
standardized to 30-day supplies
265
Days of Medication
total across all patients in 2024

About Lisinopril: Lisinopril is used to treat high blood pressure. Show more ▾

Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. It is also used to treat heart failure and to improve survival after a heart attack. Lisinopril belongs to a class of drugs known as ACE inhibitors. It works by relaxing blood vessels so blood can flow more easily. One of the ANGIOTENSIN-CONVERTING ENZYME INHIBITORS (ACE inhibitors), orally active, that has been used in the treatment of hypertension and congestive heart failure.

In 2024, this provider wrote 13 Medicare prescriptions for Lisinopril, about 10% of the volume of the typical Wisconsin prescriber of this medication (131). Medicare paid an average of $4.84 per fill, versus $7.21 statewide.

How often this provider prescribes it

This provider
13
WI average
131.0

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$4.84
WI average
$7.21

This provider's average cost per fill is below the WI average for this medication.

15
30-Day Fills
standardized to 30-day supplies
450
Days of Medication
total across all patients in 2024

About Gabapentin: Gabapentin is used with other medications to prevent and control seizures. Show more ▾

It is also used to relieve nerve pain following shingles (a painful rash due to herpes zoster infection) in adults. Gabapentin is known as an anticonvulsant or antiepileptic drug. A cyclohexane-gamma-aminobutyric acid derivative that is used for the treatment of PARTIAL SEIZURES; NEURALGIA; and RESTLESS LEGS SYNDROME.

In 2024, this provider wrote 11 Medicare prescriptions for Gabapentin, about 12% of the volume of the typical Wisconsin prescriber of this medication (88.8). Medicare paid an average of $20.43 per fill, versus $17.24 statewide.

How often this provider prescribes it

This provider
11
WI average
88.8

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$20.43
WI average
$17.24

Gross Part D cost per fill; not the patient's out-of-pocket price.

11
30-Day Fills
standardized to 30-day supplies
320
Days of Medication
total across all patients in 2024

About Metformin Hcl Er: Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar. Show more ▾

It is used in patients with type 2 diabetes. Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems. Proper control of diabetes may also lessen your risk of a heart attack or stroke. Metformin works by helping to restore your body's proper response to the insulin you naturally produce. It also decreases the amount of sugar that your liver makes and that your stomach/intestines absorb. A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289)

In 2024, this provider wrote 11 Medicare prescriptions for Metformin Hcl Er, about 15% of the volume of the typical Wisconsin prescriber of this medication (72.1). Medicare paid an average of $14.26 per fill, versus $10.31 statewide.

How often this provider prescribes it

This provider
11
WI average
72.1

This provider prescribes this medication less often than the average WI prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$14.26
WI average
$10.31

Gross Part D cost per fill; not the patient's out-of-pocket price.

19
30-Day Fills
standardized to 30-day supplies
558
Days of Medication
total across all patients in 2024
No medications match the current filters.
▲ More than typical≈ Typical▼ Less than typical= prescription volume vs the average WI prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the WI average cost per fill.

About this data. The prescription history for DR. CLAYTON LANHAM MD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2024, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Family Medicine prescribing approach at this Lake Geneva, WI practice.

Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average among WI prescribers of the same medication and form, shown only when at least five prescribers contribute. Always confirm current medications and costs directly with the provider and your plan.

About the medication summaries. Drug use descriptions come from the CMS Medicare Part D Drug Spending Dashboard (2024), and substance definitions from Medical Subject Headings (MeSH) 2026, U.S. National Library of Medicine. They are summaries that do not contain all possible information about a medication and are not individual medical advice. Ask a health care professional about any medication and your specific health needs.