Dr. Aleksander Lech Chojecki, MD

  • Charlotte, NC
  • Hematology (internal medicine) physician
NPI1780997585PAC ID9335433788
Medicare services, 2024
256
Medicare patients, 2024
70
Part D claims, 2024
514
Publications
16
MIPS score, 2024
100
Practice address
1000 Blythe Blvd, Charlotte, NC 28203
Practice phone
Call (704) 355-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Atrium Health Carolinas Medical Center

Hospital · Charlotte, North Carolina

See all 4 affiliations

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Dr. Aleksander Lech Chojecki is a hematology (internal medicine) physician in Charlotte, North Carolina

Dr. Chojecki practices at Atrium Health Carolinas Medical Center in Charlotte, North Carolina, part of Advocate Health.

Dr. Chojecki's NPI, 1780997585, was assigned on July 21, 2010. Dr. Chojecki holds North Carolina license 2016-01066.

NPI and contact details
Medicare PAC ID
9335433788
NPI enumeration date
July 21, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(704) 355-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. Aleksander Lech Chojecki practices at Atrium Health Carolinas Medical Center in Charlotte, North Carolina

Dr. Chojecki's primary practice is Atrium Health Carolinas Medical Center, at 1000 Blythe Blvd, Charlotte, NC 28203 in Mecklenburg County. The practice phone is (704) 355-2000.

Source: Dmand AI Affiliation Data

Dr. Aleksander Lech Chojecki is affiliated with 3 sites of care and 1 medical group

Dr. Chojecki's primary practice is Atrium Health Carolinas Medical Center in Charlotte, North Carolina, part of Advocate Health. Dr. Chojecki is also affiliated with Atrium Health Wake Forest Baptist Medical Center. The medical group on file is Atrium Health Levine Cancer Institute. Dmand AI also links Dr. Chojecki to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Chojecki

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Aleksander Lech Chojecki's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chojecki practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Atrium Health Carolinas Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aleksander Lech Chojecki is one of 66 hematology (internal medicine) physicians in North Carolina

Internal medicine is Dr. Chojecki's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Chojecki is licensed in North Carolina.

Specialties and state licenses

  • Hematology (internal medicine), North CarolinaPrimaryLicense 2016-01066 · taxonomy 207RH0000X

Hematology (internal medicine) physicians near Dr. Chojecki

Counts of hematology (internal medicine) physicians 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. Aleksander Lech Chojecki billed Medicare for 256 services in 2024

CMS data shows 256 Medicare services from Dr. Chojecki across 2 procedure codes in 2024, all of them office visits, for 70 Medicare patients. Medicare paid $22,705 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024256
Medicare patients70
Paid by Medicare$22,705
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 2532024: 2561%

Dr. Chojecki compared with the North Carolina median for hematology (internal medicine) physicians, 2024

  • Dr. Chojecki
  • North Carolina median
Medicare services
256vs 32421% below
Medicare patients
70vs 11941% below
Part D claims
348vs 352Close to median

Medians across 67 hematology (internal medicine) physicians in North Carolina with Dmand AI profiles that report each measure.

Dr. Chojecki'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. Chojecki

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chojecki and other hematology (internal medicine) physicians in North Carolina.

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

Dr. Aleksander Lech Chojecki treated 70 Medicare patients in 2024, average age 75

CMS counts 70 Medicare patients who saw Dr. Chojecki in 2024. The largest group is 75 to 84, with 32 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 2.41, 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. Chojecki's median patient age at 74, with 47% women.

Medicare patients, 202470
Average age75
Average risk score2.41

Dr. Chojecki's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chojecki's Medicare patients by sex, 2024

  • Women3449%
  • Men3651%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis39%
  4. Ischemic heart disease27%
  5. Mood disorders27%
  6. Anxiety24%
  7. COPD23%
  8. Depression23%

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

Dr. Chojecki's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women47%
  • Men53%

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

Dr. Aleksander Lech Chojecki wrote 514 Medicare Part D claims in 2024

In 2024, Dr. Chojecki wrote 514 Medicare Part D claims for 62 patients. 53% of them were for generic drugs. CMS names the drug for 348 of them, across 17 drugs with 11 or more claims each, at $2,805,723 in total drug cost. In 2023, CMS named 373 claims across 15 drugs.

Part D claims, 2024514
Drugs named by CMS17
Total drug cost$2.8M
Part D patients62

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

  • Generic272 claims53%
  • Brand-name242 claims47%

Dr. Chojecki'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. Chojecki's Part D claims, 2024

  • Antibiotics5%28 of 514 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: 3732024: 3487%

Drugs named by CMS: 17 in 2024, 15 in 2023.

See all prescribing by Dr. Chojecki

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. Aleksander Lech Chojecki scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chojecki for performance year 2024, reported as part of a group. Dr. Chojecki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chojecki as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Chojecki's MIPS scores, performance year 2024

  • 100of 100Final score
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Aleksander Lech Chojecki has 16 publications on record

Dmand AI links 16 papers to Dr. Chojecki, published from 2018 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Hematopoietic Stem Cell Transplantation, Hematologic Neoplasms and Leukemia, Myeloid, Acute. Dr. Chojecki has published most often in Acta Haematol. Dr. Chojecki's most frequent co-authors are Jing Ai, MD, Michael Richard Grunwald, MD and Thomas Gregory Knight, MD.

Papers16
Years published2018 to 2025

Dr. Chojecki's papers by year, 2018 to 2025

Topics Dr. Chojecki writes about most

  • Hematopoietic Stem Cell Transplantation
  • Hematologic Neoplasms
  • Leukemia, Myeloid, Acute
  • Graft vs Host Disease
  • Hematocrit
  • Hydroxyurea
  • Nitriles
  • Polycythemia Vera

Dr. Chojecki's most frequent co-authors

Recent publications by Dr. Chojecki

See all 16 publications and co-authors

See who Dr. Chojecki researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chojecki works with, so you can find a warm path to the right hematology (internal medicine) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Aleksander Lech Chojecki received $13,288 in industry payments from 2016 to 2023

CMS Open Payments shows 34 general payments to Dr. Chojecki from 11 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 78% of the total. Servier Pharmaceuticals LLC paid the most, $5,528.

General payments to Dr. Chojecki by program year, 2016 to 2023

General payments to Dr. Chojecki by kind, 2016 to 2023

$13.3Kin total
  • Consulting fees$10,40578%
  • Food and beverage$1,46911%
  • Travel and lodging$1,32210%
  • Education$921%

Companies that paid Dr. Chojecki the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Chojecki

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

Sources for Dr. Aleksander Lech Chojecki'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Aleksander Lech Chojecki

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. Aleksander Lech Chojecki's NPI number?

Dr. Aleksander Lech Chojecki's NPI number is 1780997585. It was assigned on July 21, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Aleksander Lech Chojecki?

Dr. Aleksander Lech Chojecki is a hematology (internal medicine) physician in Charlotte, North Carolina. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).

Where does Dr. Aleksander Lech Chojecki practice?

Dr. Chojecki practices at 1000 Blythe Blvd, Charlotte, NC 28203. Dr. Chojecki's primary practice is Atrium Health Carolinas Medical Center in Charlotte, North Carolina, part of Advocate Health. Dmand AI also links Dr. Chojecki to 1 group practice or clinic.

What is Dr. Aleksander Lech Chojecki's office phone number?

The practice phone on file for Dr. Chojecki is (704) 355-2000.

What is Dr. Aleksander Lech Chojecki's medical license number?

Dr. Chojecki holds North Carolina license 2016-01066.

Which hospitals is Dr. Aleksander Lech Chojecki affiliated with?

Dr. Chojecki practices at Atrium Health Carolinas Medical Center in Charlotte, North Carolina. Dr. Chojecki is also affiliated with Atrium Health Wake Forest Baptist Medical Center.

What medical group is Dr. Aleksander Lech Chojecki part of?

Dr. Chojecki is linked to Atrium Health Levine Cancer Institute.

Does Dr. Aleksander Lech Chojecki accept Medicare?

Yes. CMS data shows Dr. Chojecki billed Medicare for 256 services in 2024, and Dr. Chojecki accepts Medicare assignment.

Does Dr. Aleksander Lech Chojecki offer telehealth?

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

What is Dr. Aleksander Lech Chojecki's MIPS score?

Dr. Chojecki's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Aleksander Lech Chojecki see?

CMS counts 70 Medicare patients who saw Dr. Chojecki in 2024, with an average age of 75.

What services does Dr. Aleksander Lech Chojecki bill to Medicare?

In 2024, Dr. Chojecki's most billed Medicare services were office visit, established patient (99215) and office visit, established patient (99214).

What drugs does Dr. Aleksander Lech Chojecki prescribe most?

In 2024 Medicare Part D data, Dr. Chojecki's most prescribed drugs by claims were Jakafi, Hydroxyurea and Acyclovir.

Has Dr. Aleksander Lech Chojecki received payments from drug or device companies?

CMS Open Payments shows $13,288 in general payments to Dr. Chojecki from 11 companies from 2016 to 2023. The largest total came from Servier Pharmaceuticals LLC.

How long has Dr. Aleksander Lech Chojecki been practicing?

Dr. Chojecki graduated from medical school in 2010, 16 years ago.

Does Dr. Aleksander Lech Chojecki do research?

Dmand AI links 16 publications to Dr. Chojecki, published from 2018 to 2025.

Who does Dr. Aleksander Lech Chojecki publish with?

Dr. Chojecki's most frequent co-authors are Jing Ai, MD (7 shared papers), Michael Richard Grunwald, MD (7 shared papers) and Thomas Gregory Knight, MD (7 shared papers).

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