MARC JUSTIN LANDSMAN M.D.
Prescription History 1407299621
Student in an Organized Health Care Education/Training Program in Washington, DC

NPI Status: Active since April 08, 2013

Contact Information

3800 RESERVOIR RD NW
DEPT OF MEDICINE
WASHINGTON, DC
ZIP 20007
Phone: (202) 444-8168
Fax: (877) 303-1460

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Prescription History for Informed Healthcare Decisions

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for MARC JUSTIN LANDSMAN M.D., an active Student in an Organized Health Care Education/Training Program specialist practicing in Washington, DC. Our medical registry currently tracks 10 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 197 documented patient claims. Among these therapy options, the most frequently utilized medication is Omeprazole, which accounts for 58 claims alone.


Azathioprine

Generic Formulation: AzathioprineSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 21
30-Day Fills 39.0
Days Supply 1,154
DC State Average Benchmarks
Peer Average Claims18.0
Peer Average 30-Day Fills34.3
Peer Average Days Supply1,027
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $3,076.19 across this reporting matrix range.

Provider Avg Cost Per Claim

$146.49

State Avg Cost Per Claim

$86.85

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

An immunosuppressive agent used in combination with cyclophosphamide and hydroxychloroquine in the treatment of rheumatoid arthritis. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance has been listed as a known carcinogen. (Merck Index, 11th ed)

Therapeutic Applications

Azathioprine is used to prevent organ rejection in people who have received a kidney transplant. It is usually taken along with other medications to allow your new kidney to function normally. Azathioprine is also used to treat rheumatoid arthritis. In this condition, the body's defense system (immune system) attacks healthy joints. Azathioprine belongs to a class of drugs known as immunosuppressants. It works by weakening the immune system to help your body accept the new kidney as if it were your own (in the case of an organ transplant) or to prevent further damage to your joints (in the case of rheumatoid arthritis). Talk to your doctor about the risks and benefits of azathioprine, especially when used by children and young adults.

Dicyclomine Hcl

Generic Formulation: Dicyclomine HclSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 13
30-Day Fills 19.8
Days Supply 565
DC State Average Benchmarks
Peer Average Claims17.0
Peer Average 30-Day Fills21.4
Peer Average Days Supply499
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $460.96 across this reporting matrix range.

Provider Avg Cost Per Claim

$35.46

State Avg Cost Per Claim

$23.26

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Famotidine

Generic Formulation: FamotidineSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 22
30-Day Fills 51.0
Days Supply 1,526
DC State Average Benchmarks
Peer Average Claims33.0
Peer Average 30-Day Fills33.5
Peer Average Days Supply622
Conservative Utilization

This provider writes prescriptions for this formulation 33.3% less frequently than the standard regional baseline metric for practitioners inside DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $464.56 across this reporting matrix range.

Provider Avg Cost Per Claim

$21.12

State Avg Cost Per Claim

$2.61

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion.

Therapeutic Applications

Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed. This medication is also used to treat certain stomach and throat (esophagus) problems (such as erosive esophagitis, gastroesophageal reflux disease-GERD, Zollinger-Ellison syndrome). It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as cough that doesn't go away, stomach pain, heartburn, and difficulty swallowing. Famotidine belongs to a class of drugs known as H2 blockers. This medication is also available without a prescription. It is used to prevent and treat heartburn and other symptoms caused by too much acid in the stomach (acid indigestion). If you are taking this medication for self-treatment, it is important to read the manufacturer's package instructions carefully so you know when to consult your doctor or pharmacist.

Gavilyte-G

Generic Formulation: Peg3350/Sod Sulf,bicarb,cl/KclSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 19
30-Day Fills 19.0
Days Supply 20
DC State Average Benchmarks
Peer Average Claims26.0
Peer Average 30-Day Fills26.5
Peer Average Days Supply53
Conservative Utilization

This provider writes prescriptions for this formulation 26.9% less frequently than the standard regional baseline metric for practitioners inside DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $298.54 across this reporting matrix range.

Provider Avg Cost Per Claim

$15.71

State Avg Cost Per Claim

$14.90

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays. It is a laxative that works by drawing large amounts of water into the colon. This effect results in watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.

Humira Pen

Generic Formulation: AdalimumabSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 15
30-Day Fills 15.0
Days Supply 420
DC State Average Benchmarks
Peer Average Claims21.0
Peer Average 30-Day Fills24.9
Peer Average Days Supply710
Conservative Utilization

This provider writes prescriptions for this formulation 28.6% less frequently than the standard regional baseline metric for practitioners inside DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $113,463.28 across this reporting matrix range.

Provider Avg Cost Per Claim

$7,564.22

State Avg Cost Per Claim

$7,860.55

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A humanized monoclonal antibody that binds specifically to TNF-ALPHA and blocks its interaction with endogenous TNF RECEPTORS to modulate INFLAMMATION. It is used in the treatment of RHEUMATOID ARTHRITIS; PSORIATIC ARTHRITIS; CROHN'S DISEASE and ULCERATIVE COLITIS.

Therapeutic Applications

Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis). This medication is also used to treat certain skin disorders (such as plaque-type psoriasis, hidradenitis suppurativa). It works by blocking a protein (tumor necrosis factor or TNF) found in the body's immune system that causes joint swelling and damage in arthritis as well as red scaly patches in psoriasis. Adalimumab belongs to a class of drugs known as TNF blockers. By reducing joint swelling, this medication helps to reduce further joint damage and preserve joint function. Adalimumab is also used to treat certain bowel conditions (Crohn's disease, ulcerative colitis) and a certain eye disease (uveitis).

Mesalamine Er

Generic Formulation: MesalamineSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 11
30-Day Fills 15.0
Days Supply 438
DC State Average Benchmarks
Peer Average Claims15.0
Peer Average 30-Day Fills28.3
Peer Average Days Supply840
Conservative Utilization

This provider writes prescriptions for this formulation 26.7% less frequently than the standard regional baseline metric for practitioners inside DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $4,550.84 across this reporting matrix range.

Provider Avg Cost Per Claim

$413.71

State Avg Cost Per Claim

$627.55

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

An anti-inflammatory agent, structurally related to the SALICYLATES, which is active in INFLAMMATORY BOWEL DISEASE. It is considered to be the active moiety of SULPHASALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed)

Therapeutic Applications

This medication is used to treat a certain bowel disease (ulcerative colitis). It helps to reduce symptoms of ulcerative colitis such as diarrhea, rectal bleeding, and stomach pain. Mesalamine belongs to a class of drugs known as aminosalicylates. It works by decreasing swelling in the colon.

Omeprazole

Generic Formulation: OmeprazoleSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 58
30-Day Fills 129.9
Days Supply 3,875
DC State Average Benchmarks
Peer Average Claims38.0
Peer Average 30-Day Fills77.5
Peer Average Days Supply2,252
Highly Elevated Utilization

This provider exhibits a high preference for this treatment path, registering a volume 52.6% higher than the standard regional baseline profile for DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $1,322.28 across this reporting matrix range.

Provider Avg Cost Per Claim

$22.80

State Avg Cost Per Claim

$16.92

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

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.

Therapeutic Applications

Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers). 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.

Pantoprazole Sodium

Generic Formulation: Pantoprazole SodiumSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 12
30-Day Fills 36.0
Days Supply 1,080
DC State Average Benchmarks
Peer Average Claims38.0
Peer Average 30-Day Fills76.3
Peer Average Days Supply2,233
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 68.4% less volume than the regional standard for practitioners inside DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $242.69 across this reporting matrix range.

Provider Avg Cost Per Claim

$20.22

State Avg Cost Per Claim

$18.02

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

2-pyridinylmethylsulfinylbenzimidazole proton pump inhibitor that is used in the treatment of GASTROESOPHAGEAL REFLUX and PEPTIC ULCER.

Therapeutic Applications

Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux). It works by decreasing the amount of acid your stomach makes. This medication relieves symptoms such as heartburn, difficulty swallowing, and cough. It helps heal acid damage to the stomach and esophagus, helps prevent ulcers, and may help prevent cancer of the esophagus. Pantoprazole belongs to a class of drugs known as proton pump inhibitors (PPIs).

Peg-3350 And Electrolytes

Generic Formulation: Peg3350/Sod Sulf,bicarb,cl/KclSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 11
30-Day Fills 11.0
Days Supply 13
DC State Average Benchmarks
Peer Average Claims30.0
Peer Average 30-Day Fills30.9
Peer Average Days Supply46
Highly Conservative Utilization

This provider demonstrates a highly selective approach to this formula, recording 63.3% less volume than the regional standard for practitioners inside DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $222.22 across this reporting matrix range.

Provider Avg Cost Per Claim

$20.20

State Avg Cost Per Claim

$17.05

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Therapeutic Applications

PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays. It is a laxative that works by drawing large amounts of water into the colon. This effect results in watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure.

Sulfasalazine

Generic Formulation: SulfasalazineSpecialty: Internal Medicine
Provider Metrics Summary
Total Claims 15
30-Day Fills 29.3
Days Supply 840
DC State Average Benchmarks
Peer Average Claims18.0
Peer Average 30-Day Fills29.4
Peer Average Days Supply870
Standard Average Utilization

This provider's prescribing patterns for this therapeutic formulation sit directly in line with standard baseline averages across DC. Gross expenditures recorded under Medicare program tracking definitions for this provider calculate to an estimated aggregate of $626.68 across this reporting matrix range.

Provider Avg Cost Per Claim

$41.78

State Avg Cost Per Claim

$31.52

Note on Expenses: These indicators represent gross infrastructure resource tracking paid directly to supply pharmacy networks by Medicare Part D configurations. These calculations do not track individual patient insurance tier copays or out-of-pocket shelf prices at retail checkout lanes.

Clinical Summary

A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907)

Therapeutic Applications

Sulfasalazine is used to treat a certain type of bowel disease called ulcerative colitis. This medication does not cure this condition, but it helps decrease symptoms such as fever, stomach pain, diarrhea, and rectal bleeding. After an attack is treated, sulfasalazine is also used to increase the amount of time between attacks. This medication works by reducing irritation and swelling in the large intestines. In addition, delayed-release tablets of sulfasalazine are used to treat rheumatoid arthritis. Sulfasalazine helps to reduce joint pain, swelling, and stiffness. Early treatment of rheumatoid arthritis with sulfasalazine helps to reduce/prevent further joint damage so you can do more of your normal daily activities. This medication is used with other drugs, rest, and physical therapy in patients who have not responded to other medications (salicylates, nonsteroidal anti-inflammatory drugs-NSAIDs).

Dataset Methodology & CMS Source Information

This analytical profile maps public infrastructure records sourced directly from official **Centers for Medicare & Medicaid Services (CMS)** public data releases. The statistics above track documented pharmaceutical treatment trends assigned to beneficiaries specifically under federal public programs. Evaluating the prescriptive footprints of clinical practitioners like MARC JUSTIN LANDSMAN M.D. provides transparency into local medical care patterns within Washington, DC.

Key Learning Objectives for this Profile:

  • Prescribing Frequencies: Track and evaluate the volume metrics of specific brand-name and generic medical formulas chosen by this provider over time.
  • Clinical Focus Areas: Identify how the provider distributes therapeutic selections across medical care options to gain insight into their true day-to-day **Student in an Organized Health Care Education/Training Program** practice concentrations.
  • Program Cost Awareness: Review the calculated total systemic drug costs and raw transactional volumes linked to these orders to better anticipate network insurance coverage structures.
  • Patient-Centered Evaluation: Cross-reference localized regional care comparisons to align practitioner habits directly with your proactive health maintenance goals.

Data Scope Exclusion & Limitations: The data elements presented above explicitly reflect prescription orders processed for Medicare beneficiaries during the year 2023. This informational profile does not aggregate prescription data for individuals utilizing private commercial health plans, state Medicaid coverage, or self-pay options. However, because medical decision-making remains highly consistent across clinical settings, this public registry provides a reliable proxy for understanding the general prescribing preferences and pharmaceutical care approach used by this provider.