Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ZACHARY SPENCER LORSCH MD, PHD
Prescription History 1306474721
Internal Medicine - Gastroenterology in Durham, NC

Active since March 31, 2020PECOS Enrolled
40 DUKE MEDICINE CIR # 2J, DURHAM, NC 27710(919) 684-1817(919) 479-2664 Get Directions

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 9, 2026, Mar 31, 2020 (2 updates tracked since 2020).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. ZACHARY SPENCER LORSCH MD, PHD, an active Gastroenterology specialist practicing in Durham, NC. Our medical registry currently tracks 2 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 23 documented patient claims. Among these therapy options, the most frequently utilized medication is Omeprazole, which accounts for 12 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.

2
Medications
23
Total Claims
33
30-Day Fills
Omeprazole
Most Prescribed · 12 claims
View details
2 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by DR. ZACHARY SPENCER LORSCH MD, PHD in 2023, with prescription volumes, average cost per fill, and NC state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other NC PrescribersVs. NC Avg
Omeprazole12$29.18 Less than typical

About Omeprazole: Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers). Show more ▾

It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as heartburn, difficulty swallowing, and cough. This medication helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Omeprazole belongs to a class of drugs known as proton pump inhibitors (PPIs). If you are self-treating with this medication, over-the-counter omeprazole products are used to treat frequent heartburn (occurring 2 or more days a week). Since it may take 1 to 4 days to have full effect, these products do not relieve heartburn right away. For over-the-counter products, carefully read the package instructions to make sure the product is right for you. Check the ingredients on the label even if you have used the product before. The manufacturer may have changed the ingredients. Also, products with similar brand names may contain different ingredients meant for different purposes. Taking the wrong product could harm you. A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS.

In 2023, this provider wrote 12 Medicare prescriptions for Omeprazole, about 11% of the volume of the typical North Carolina prescriber of this medication (109). Medicare paid an average of $29.18 per fill, versus $15.25 statewide.

How often this provider prescribes it

This provider
12
NC average
109.0

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

What Medicare paid per fill

This provider
$29.18
NC average
$15.25

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

20
30-Day Fills
standardized to 30-day supplies
600
Days of Medication
total across all patients in 2023
Colestipol Hcl11$139.36 Less than typical

About Colestipol Hcl: Colestipol is used along with a proper diet to lower cholesterol in the blood. Show more ▾

Lowering cholesterol helps decrease the risk for strokes and heart attacks. In addition to a proper diet (such as a low-cholesterol/low-fat diet), other lifestyle changes that may help this medication work better include exercising, losing weight if overweight, and stopping smoking. Consult your doctor for more details. This medication is known as a bile acid-binding resin. It works by removing bile acid from the body. In people with high cholesterol, this causes the liver to make more bile acid by using cholesterol in the blood. This helps to lower the cholesterol levels. Highly crosslinked and insoluble basic anion exchange resin used as anticholesteremic. It may also may reduce triglyceride levels.

In 2023, this provider wrote 11 Medicare prescriptions for Colestipol Hcl, about half the volume of the typical North Carolina prescriber of this medication (25). Medicare paid an average of $139.36 per fill, versus $100.89 statewide.

How often this provider prescribes it

This provider
11
NC average
25.0

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

What Medicare paid per fill

This provider
$139.36
NC average
$100.89

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

13
30-Day Fills
standardized to 30-day supplies
390
Days of Medication
total across all patients in 2023
No medications match the current filters.
More than typical Typical Less than typical= prescription volume vs the average NC prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the NC average cost per fill.

About this data. The prescription history for DR. ZACHARY SPENCER LORSCH MD, PHD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, 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 Gastroenterology prescribing approach at this Durham, NC 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 volume among NC prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.