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

MARK KNACKSTEDT
Prescription History 1285203521
Otolaryngology in Shreveport, LA

Active since June 22, 2021
2530 BERT KOUNS INDUSTRIAL LOOP STE 112, SHREVEPORT, LA 71118(318) 212-3960(318) 212-3907 Get Directions

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 10, 2026, Jun 22, 2021 (2 updates tracked since 2021).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for MARK KNACKSTEDT, an active Otolaryngology specialist practicing in Shreveport, LA. Our medical registry currently tracks 7 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 193 documented patient claims. Among these therapy options, the most frequently utilized medication is Fluticasone Propionate, which accounts for 38 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.

7
Medications
193
Total Claims
243
30-Day Fills
Fluticasone Propionate
Most Prescribed · 38 claims
View details
7 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by MARK KNACKSTEDT in 2023, with prescription volumes, average cost per fill, and LA state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other LA PrescribersVs. LA Avg

About Fluticasone Propionate: Fluticasone is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by asthma. Show more ▾

Controlling symptoms of asthma helps you maintain your normal activities and decreases time lost from work or school. Fluticasone belongs to a class of drugs known as corticosteroids. It works by reducing swelling (inflammation) of the airways in the lungs to make breathing easier. This medication must be used regularly to be effective. It does not work right away and should not be used to relieve sudden asthma attacks. If an asthma attack occurs, use your quick-relief inhaler (such as albuterol, also called salbutamol in some countries) as prescribed. A STEROID with GLUCOCORTICOID RECEPTOR activity that is used to manage the symptoms of ASTHMA; ALLERGIC RHINITIS, and ATOPIC DERMATITIS.

In 2023, this provider wrote 38 Medicare prescriptions for Fluticasone Propionate, about 60% of the volume of the typical Louisiana prescriber of this medication (63). Medicare paid an average of $10.98 per fill, versus $13.70 statewide.

How often this provider prescribes it

This provider
38
LA average
63.0

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

What Medicare paid per fill

This provider
$10.98
LA average
$13.70

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

57
30-Day Fills
standardized to 30-day supplies
1,709
Days of Medication
total across all patients in 2023

About Azelastine Hcl: This medication is used to relieve nasal symptoms such as runny/itching/stuffy nose, sneezing, and post-nasal drip caused by allergies or other conditions. Show more ▾

Azelastine belongs to a class of drugs known as antihistamines. It works by blocking certain natural substances called histamines that are responsible for nasal symptoms.

In 2023, this provider wrote 37 Medicare prescriptions for Azelastine Hcl, about the same volume as the typical Louisiana prescriber of this medication (40). Medicare paid an average of $28.09 per fill, versus $39.39 statewide.

How often this provider prescribes it

This provider
37
LA average
40.0

This provider's prescribing volume for this medication is in line with the average LA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$28.09
LA average
$39.39

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

58
30-Day Fills
standardized to 30-day supplies
1,740
Days of Medication
total across all patients in 2023

About Levothyroxine Sodium: Levothyroxine is used to treat an underactive thyroid (hypothyroidism). Show more ▾

It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery. Having enough thyroid hormone is important for maintaining normal mental and physical activity. In children, having enough thyroid hormone is important for normal mental and physical development. This medication is also used to treat other types of thyroid disorders (such as thyroid cancer). This medication should not be used to treat infertility unless it is caused by low thyroid hormone levels. The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.

In 2023, this provider wrote 31 Medicare prescriptions for Levothyroxine Sodium, about a quarter of the volume of the typical Louisiana prescriber of this medication (155). Medicare paid an average of $6.62 per fill, versus $13.98 statewide.

How often this provider prescribes it

This provider
31
LA average
155.0

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

What Medicare paid per fill

This provider
$6.62
LA average
$13.98

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

33
30-Day Fills
standardized to 30-day supplies
983
Days of Medication
total across all patients in 2023

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 2023, this provider wrote 30 Medicare prescriptions for Hydrocodone-Acetaminophen, about a quarter of the volume of the typical Louisiana prescriber of this medication (114). Medicare paid an average of $3.44 per fill, versus $17.99 statewide.

How often this provider prescribes it

This provider
30
LA average
114.0

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

What Medicare paid per fill

This provider
$3.44
LA average
$17.99

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

30
30-Day Fills
standardized to 30-day supplies
85
Days of Medication
total across all patients in 2023

About Ondansetron Hcl: This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy. Show more ▾

It is also used to prevent and treat nausea and vomiting after surgery. It works by blocking one of the body's natural substances (serotonin) that causes vomiting.

In 2023, this provider wrote 27 Medicare prescriptions for Ondansetron Hcl, about the same volume as the typical Louisiana prescriber of this medication (29). Medicare paid an average of $2.76 per fill, versus $16.94 statewide.

How often this provider prescribes it

This provider
27
LA average
29.0

This provider's prescribing volume for this medication is in line with the average LA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$2.76
LA average
$16.94

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

27
30-Day Fills
standardized to 30-day supplies
126
Days of Medication
total across all patients in 2023

About Ofloxacin: This medication is used to treat eye infections. Show more ▾

Ofloxacin belongs to a class of drugs called quinolone antibiotics. It works by stopping the growth of bacteria. This medication treats only bacterial eye infections. It will not work for other types of eye infections. Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness. A synthetic fluoroquinolone antibacterial agent that inhibits the supercoiling activity of bacterial DNA GYRASE, halting DNA REPLICATION.

In 2023, this provider wrote 19 Medicare prescriptions for Ofloxacin, about a quarter of the volume of the typical Louisiana prescriber of this medication (74). Medicare paid an average of $40.57 per fill, versus $19.40 statewide.

How often this provider prescribes it

This provider
19
LA average
74.0

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

What Medicare paid per fill

This provider
$40.57
LA average
$19.40

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

26.7
30-Day Fills
standardized to 30-day supplies
565
Days of Medication
total across all patients in 2023

About Cephalexin: This medication is used to treat a wide variety of bacterial infections. Show more ▾

This medication is known as a cephalosporin antibiotic. It works by stopping the growth of bacteria. This medication will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness. A semisynthetic cephalosporin antibiotic with antimicrobial activity similar to that of CEPHALORIDINE or CEPHALOTHIN, but somewhat less potent. It is effective against both gram-positive and gram-negative organisms.

In 2023, this provider wrote 11 Medicare prescriptions for Cephalexin, about a third of the volume of the typical Louisiana prescriber of this medication (28). Medicare paid an average of $10.63 per fill, versus $7.49 statewide.

How often this provider prescribes it

This provider
11
LA average
28.0

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

What Medicare paid per fill

This provider
$10.63
LA average
$7.49

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

11
30-Day Fills
standardized to 30-day supplies
97
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 LA prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the LA average cost per fill.

About this data. The prescription history for MARK KNACKSTEDT 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 Otolaryngology prescribing approach at this Shreveport, LA 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 LA prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.