Dr. Marzena T. Laszewski, MD

  • Rocky Mount, NC
  • Internist
NPI1023002912PAC ID6002823093
Medicare services, 2024
2,478
Medicare patients, 2024
350
Part D claims, 2024
8,561
Hospital affiliations
1
Industry payments
$31
Practice address
901 N Winstead Ave, Rocky Mount, NC 27804
Practice phone
Call (252) 937-0291
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Boice-Willis Clinic -Rocky Mount Medical Park

Rocky Mount, North Carolina

See all 12 affiliations

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Dr. Marzena T. Laszewski is an internist in Rocky Mount, North Carolina

Dr. Laszewski practices at Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina.

Dr. Laszewski's NPI, 1023002912, was assigned on September 7, 2005. Dr. Laszewski graduated from Boston University School of Medicine in 1987. Dr. Laszewski holds North Carolina license 9601655.

NPI and contact details
Medicare PAC ID
6002823093
NPI enumeration date
September 7, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(252) 937-0291
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marzena T. Laszewski practices at Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina

Dr. Laszewski's primary practice is Boice-Willis Clinic -Rocky Mount Medical Park, at 901 N Winstead Ave, Rocky Mount, NC 27804 in Nash County. The practice phone is (252) 937-0291.

  • Boice-Willis Clinic -Rocky Mount Medical Park
    901 N Winstead Ave, Rocky Mount, NC 27804 · Nash CountyPhone(252) 937-0291

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Marzena T. Laszewski is affiliated with 9 sites of care and 3 medical groups

Dr. Laszewski's primary practice is Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina. Dr. Laszewski is also affiliated with Nash General Hospital. The medical group on file is Broad River Rehab. Dmand AI also links Dr. Laszewski to 3 more group practices and clinics, 3 home health agencies, 2 medical groups and 1 hospice, each named with a free account.

See all 12 affiliations for Dr. Laszewski

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Marzena T. Laszewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Laszewski practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Boice-Willis Clinic -Rocky Mount Medical ParkAvailable with a free account
+8 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marzena T. Laszewski is one of 3,705 internists in North Carolina

Internal medicine is Dr. Laszewski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Laszewski is licensed in North Carolina.

Specialties and state licenses

  • Internal medicine, North CarolinaPrimaryLicense 9601655 · taxonomy 207R00000X

Internists near Dr. Laszewski

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Marzena T. Laszewski billed Medicare for 2,478 services in 2024

CMS data shows 2,478 Medicare services from Dr. Laszewski across 21 procedure codes in 2024, for 350 Medicare patients. Medicare paid $127,966 for them.

Medicare services, 20242,478
Medicare patients350
Paid by Medicare$127,966
Procedure codes21

Dr. Laszewski's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 5662024: 85351%
Office and hospital visits
2023: 7532024: 7037%
Surgery
2023: 02024: 382
Tests and treatments
2023: 4192024: 36214%
Imaging
2023: 1732024: 12627%
Drugs given in the office
2023: 782024: 5233%

Where Dr. Laszewski's Medicare services took place, 2024

  • In an office2,33694%
  • In a facility1426%

Dr. Laszewski compared with the North Carolina median for internists, 2024

  • Dr. Laszewski
  • North Carolina median
Medicare services
2,478vs 5214.8 times
Medicare patients
350vs 18589% above
Part D claims
7,997vs 27229.4 times

Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.

Dr. Laszewski's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Laszewski

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marzena T. Laszewski treated 350 Medicare patients in 2024, average age 75

CMS counts 350 Medicare patients who saw Dr. Laszewski in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Laszewski's median patient age at 70, with 72% women.

Medicare patients, 2024350
Average age75
Average risk score1.54
Also on Medicaid15%

Dr. Laszewski's Medicare patients by age, 2024

Dr. Laszewski's Medicare patients by sex, 2024

  • Women23868%
  • Men11232%

Chronic conditions among Dr. Laszewski's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease44%
  4. Arthritis41%
  5. Diabetes35%
  6. Ischemic heart disease31%
  7. Mood disorders28%
  8. Anxiety27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Laszewski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women72%
  • Men28%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marzena T. Laszewski wrote 8,561 Medicare Part D claims in 2024

In 2024, Dr. Laszewski wrote 8,561 Medicare Part D claims for 495 patients. 90% of them were for generic drugs. CMS names the drug for 7,997 of them, across 109 drugs with 11 or more claims each, at $465,476 in total drug cost. In 2023, CMS named 7,299 claims across 106 drugs.

Part D claims, 20248,561
Drugs named by CMS109
Total drug cost$465,476
Part D patients495

Dr. Laszewski's Part D claims by kind of drug, 2024

  • Generic7,698 claims90%
  • Brand-name832 claims10%
  • Other31 claims0%

Dr. Laszewski's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Laszewski's Part D claims, 2024

  • Opioids2%156 of 8,561 claims
  • Antibiotics1%70 of 8,561 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7,2992024: 7,99710%

Drugs named by CMS: 109 in 2024, 106 in 2023.

See all prescribing by Dr. Laszewski

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Marzena T. Laszewski offers telehealth to Medicare patients

Dr. Laszewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Laszewski as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Marzena T. Laszewski received $31 in industry payments from 2016 to 2024

CMS Open Payments shows 2 general payments to Dr. Laszewski from 1 drug or device company from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $31.

General payments to Dr. Laszewski by program year, 2016 to 2024

Companies that paid Dr. Laszewski the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Laszewski

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Marzena T. Laszewski graduated from Boston University School of Medicine

Dr. Laszewski graduated from Boston University School of Medicine in 1987.

  1. Medical schoolBoston University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Marzena T. Laszewski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marzena T. Laszewski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Marzena T. Laszewski's NPI number?

Dr. Marzena T. Laszewski's NPI number is 1023002912. It was assigned on September 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Marzena T. Laszewski?

Dr. Marzena T. Laszewski is an internist in Rocky Mount, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Marzena T. Laszewski practice?

Dr. Laszewski practices at 901 N Winstead Ave, Rocky Mount, NC 27804. Dr. Laszewski's primary practice is Boice-Willis Clinic -Rocky Mount Medical Park in Rocky Mount, North Carolina. Dmand AI also links Dr. Laszewski to 3 group practices and clinics, 3 home health agencies, 2 medical groups and 1 hospice.

What is Dr. Marzena T. Laszewski's office phone number?

The practice phone on file for Dr. Laszewski is (252) 937-0291.

What is Dr. Marzena T. Laszewski's medical license number?

Dr. Laszewski holds North Carolina license 9601655.

Which hospitals is Dr. Marzena T. Laszewski affiliated with?

Dr. Laszewski is affiliated with Nash General Hospital.

What medical group is Dr. Marzena T. Laszewski part of?

Dr. Laszewski is linked to Broad River Rehab. Dmand AI links Dr. Laszewski to 2 more medical groups.

Does Dr. Marzena T. Laszewski accept Medicare?

Yes. CMS data shows Dr. Laszewski billed Medicare for 2,478 services in 2024, and Dr. Laszewski accepts Medicare assignment.

Does Dr. Marzena T. Laszewski offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Laszewski as offering telehealth services.

How many Medicare patients does Dr. Marzena T. Laszewski see?

CMS counts 350 Medicare patients who saw Dr. Laszewski in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Dr. Marzena T. Laszewski bill to Medicare?

In 2024, Dr. Laszewski's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G2211).

Where did Dr. Marzena T. Laszewski go to medical school?

Dr. Laszewski graduated from Boston University School of Medicine in 1987.

What drugs does Dr. Marzena T. Laszewski prescribe most?

In 2024 Medicare Part D data, Dr. Laszewski's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.

Has Dr. Marzena T. Laszewski received payments from drug or device companies?

CMS Open Payments shows $31 in general payments to Dr. Laszewski from 1 company from 2016 to 2024. The largest total came from Novo Nordisk Inc.

How long has Dr. Marzena T. Laszewski been practicing?

Dr. Laszewski graduated from medical school in 1987, 39 years ago.

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