Dr. Alan David Laszczynski, DO

  • Rock Hill, SC
  • Internist
NPI1104110329
Medicare services, 2020
359
Part D claims, 2024
193
Industry payments
$4,588
Affiliated sites
1
State license
1
Practice address
1274 East Main Street, Rock Hill, SC 29730
Practice phone
Call (803) 526-7666
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rock Hill Treatment Specialists

Opioid Treatment Program (Methadone Clinic) · Rock Hill, South Carolina

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Dr. Alan David Laszczynski is an internist in Rock Hill, South Carolina

Dr. Laszczynski practices at Rock Hill Treatment Specialists in Rock Hill, South Carolina.

Dr. Laszczynski's NPI, 1104110329, was assigned on June 6, 2011. Dr. Laszczynski holds South Carolina license 1485.

NPI and contact details
NPI enumeration date
June 6, 2011
NPI status
Active
Practice phone
(803) 526-7666
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. Alan David Laszczynski practices at Rock Hill Treatment Specialists in Rock Hill, South Carolina

Dr. Laszczynski's primary practice is Rock Hill Treatment Specialists, at 1274 East Main Street, Rock Hill, SC 29730. The practice phone is (803) 526-7666.

  • Rock Hill Treatment Specialists
    1274 East Main Street, Rock Hill, SC 29730Phone(803) 526-7666

Source: Dmand AI Affiliation Data

Dr. Alan David Laszczynski is affiliated with 1 site of care

Dr. Laszczynski's primary practice is Rock Hill Treatment Specialists in Rock Hill, South Carolina. Dr. Laszczynski's employer is on file too: a behavioral health center.

Rock Hill Treatment SpecialistsOpioid Treatment Program (Methadone Clinic) · Rock Hill, South CarolinaPrimary
Parent health systemName with a free accountEmployer: behavioral health centerName with a free account
See Dr. Laszczynski's affiliation in Dmand AI

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

Dmand AI tracks the EHR system at Dr. Alan David Laszczynski's practice

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

EHR by site
SiteEHR vendor and product
Rock Hill Treatment SpecialistsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alan David Laszczynski is one of 1,707 internists in South Carolina

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

Specialties and state licenses

  • Internal medicine, South CarolinaPrimaryLicense 1485 · taxonomy 207R00000X

Internists near Dr. Laszczynski

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. Alan David Laszczynski billed Medicare for 359 services in 2020

CMS data shows 359 Medicare services from Dr. Laszczynski across 3 procedure codes in 2020. Medicare paid $13,073 for them.

Medicare services, 2020359
Paid by Medicare$13,073
Procedure codes3

Dr. Laszczynski's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 7742020: 35954%

Where Dr. Laszczynski's Medicare services took place, 2020

  • In an office33694%
  • In a facility236%

Dr. Laszczynski compared with the South Carolina median for internists, 2020

  • Dr. Laszczynski
  • South Carolina median
Medicare services
359vs 74051% below
Part D claims
162vs 33151% below

Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.

Dr. Laszczynski's most billed Medicare procedure codes, 2020

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. Laszczynski

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Laszczynski and other internists in South Carolina.

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

Dr. Alan David Laszczynski's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Dr. Laszczynski's median patient age at 72, with 50% women.

Dr. Laszczynski's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Alan David Laszczynski wrote 193 Medicare Part D claims in 2024

In 2024, Dr. Laszczynski wrote 193 Medicare Part D claims for 11 patients. 71% of them were for generic drugs. CMS names the drug for 162 of them, across 9 drugs with 11 or more claims each, at $20,332 in total drug cost. In 2023, CMS named 261 claims across 14 drugs.

Part D claims, 2024193
Drugs named by CMS9
Total drug cost$20,332
Part D patients11

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

  • Generic137 claims71%
  • Brand-name56 claims29%

Dr. Laszczynski'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2612024: 16238%

Drugs named by CMS: 9 in 2024, 14 in 2023.

See all prescribing by Dr. Laszczynski

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

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Dr. Alan David Laszczynski received $4,588 in industry payments from 2016 to 2020

CMS Open Payments shows 13 general payments to Dr. Laszczynski from 3 drug and device companies from 2016 to 2020. Honoraria make up the largest share, 92% of the total. Sun Pharmaceutical Industries Inc. paid the most, $4,508.

General payments to Dr. Laszczynski by program year, 2016 to 2020

General payments to Dr. Laszczynski by kind, 2016 to 2020

$4.6Kin total
  • Honoraria$4,22592%
  • Food and beverage$3638%

Companies that paid Dr. Laszczynski the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Laszczynski

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

Sources for Dr. Alan David Laszczynski'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 Data
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)
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. Alan David Laszczynski

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. Alan David Laszczynski's NPI number?

Dr. Alan David Laszczynski's NPI number is 1104110329. It was assigned on June 6, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Alan David Laszczynski?

Dr. Alan David Laszczynski is an internist in Rock Hill, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Alan David Laszczynski practice?

Dr. Laszczynski practices at 1274 East Main Street, Rock Hill, SC 29730. Dr. Laszczynski's primary practice is Rock Hill Treatment Specialists in Rock Hill, South Carolina.

What is Dr. Alan David Laszczynski's office phone number?

The practice phone on file for Dr. Laszczynski is (803) 526-7666.

What is Dr. Alan David Laszczynski's medical license number?

Dr. Laszczynski holds South Carolina license 1485.

Does Dr. Alan David Laszczynski accept Medicare?

Yes. CMS data shows Dr. Laszczynski billed Medicare for 359 services in 2020.

What services does Dr. Alan David Laszczynski bill to Medicare?

In 2020, Dr. Laszczynski's most billed Medicare services were care management and other visits (99490), nursing facility care (99309) and nursing facility care (99305).

What drugs does Dr. Alan David Laszczynski prescribe most?

In 2024 Medicare Part D data, Dr. Laszczynski's most prescribed drugs by claims were Eliquis, Ropinirole HCl and Baclofen.

Has Dr. Alan David Laszczynski received payments from drug or device companies?

CMS Open Payments shows $4,588 in general payments to Dr. Laszczynski from 3 companies from 2016 to 2020. The largest total came from Sun Pharmaceutical Industries Inc.

How long has Dr. Alan David Laszczynski been practicing?

Dr. Laszczynski's NPI was assigned in 2011.

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