Dr. Dariusz J. Nasiek, MD
- Medicare services, 2024
- 30
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 142
- Industry payments
- $1,269
- Affiliated sites
- 2
- Practice address
- 19 Kotte Place, Hackensack, NJ 07601
- Practice phone
- Call (201) 996-1921
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hackensack Surgery Center
Surgery Center - Medicare-Certified · Hackensack, New Jersey
Find Dr. Nasiek's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Dariusz J. Nasiek is an anesthesiologist in Hackensack, New Jersey
Dr. Nasiek practices at Hackensack Surgery Center in Hackensack, New Jersey.
Dr. Nasiek's NPI, 1285636852, was assigned on August 12, 2005. Dr. Nasiek graduated from Medical University of Silesia in 1989. Dr. Nasiek holds New Jersey license 25MA06262500.
- NPI
- 1285636852NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537132188
- NPI enumeration date
- August 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (201) 996-1921
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dariusz J. Nasiek practices at Hackensack Surgery Center in Hackensack, New Jersey
Dr. Nasiek's primary practice is Hackensack Surgery Center, at 19 Kotte Place, Hackensack, NJ 07601. The practice phone is (201) 996-1921.
- Hackensack Surgery Center19 Kotte Place, Hackensack, NJ 07601Phone(201) 996-1921
Source: Dmand AI Affiliation Data
Dr. Dariusz J. Nasiek is affiliated with 2 sites of care and 1 medical group
Dr. Nasiek's primary practice is Hackensack Surgery Center in Hackensack, New Jersey. The medical group on file is Anesthesiology and Pain Professional Practice. Dmand AI also links Dr. Nasiek to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dariusz J. Nasiek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nasiek practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hackensack Surgery Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dariusz J. Nasiek is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is Dr. Nasiek's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nasiek is licensed in New Jersey.
Specialties and state licenses
- Anesthesiology, New JerseyPrimary
Anesthesiologists near Dr. Nasiek
Counts of anesthesiologists 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. Dariusz J. Nasiek billed Medicare for 30 services in 2024
CMS data shows 30 Medicare services from Dr. Nasiek across 1 procedure code in 2024, all of them office visits, for 20 Medicare patients. Medicare paid $2,215 for them. Every service was in an office.
Dr. Nasiek's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 02024: 30
- Anesthesia
- 2021: 182024: 0100%
Dr. Nasiek compared with the New Jersey median for anesthesiologists, 2024
- Dr. Nasiek
- New Jersey median
- Medicare services
- 30vs 9267% below
- Medicare patients
- 20vs 16988% below
- Part D claims
- 88vs 273.3 times
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Nasiek'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nasiek and other anesthesiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dariusz J. Nasiek treated 20 Medicare patients in 2024, average age 72
CMS counts 20 Medicare patients who saw Dr. Nasiek in 2024. 75% of them have high blood pressure, and 70% have arthritis. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nasiek's median patient age at 51, with 45% women.
Chronic conditions among Dr. Nasiek's Medicare patients, 2024
- High blood pressure75%
- Arthritis70%
- High cholesterol70%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nasiek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dariusz J. Nasiek wrote 142 Medicare Part D claims in 2024
In 2024, Dr. Nasiek wrote 142 Medicare Part D claims for 39 patients. 98% of them were for generic drugs. CMS names the drug for 88 of them, across 6 drugs with 11 or more claims each, at $595 in total drug cost. In 2023, CMS named 120 claims across 7 drugs.
Dr. Nasiek's Part D claims by kind of drug, 2024
- Generic139 claims98%
- Brand-name and other3 claims2%
Dr. Nasiek'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. Nasiek's Part D claims, 2024
- Opioids30%42 of 142 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: 1202024: 8827%
Drugs named by CMS: 6 in 2024, 7 in 2023.
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. Dariusz J. Nasiek offers telehealth to Medicare patients
Dr. Nasiek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nasiek as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dariusz J. Nasiek received $1,269 in industry payments from 2016 to 2024
CMS Open Payments shows 15 general payments to Dr. Nasiek from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 59% of the total. SeaPearl Inc paid the most, $517.
General payments to Dr. Nasiek by program year, 2016 to 2024
General payments to Dr. Nasiek by kind, 2016 to 2024
- Food and beverage$75259%
- Education$51741%
Companies that paid Dr. Nasiek the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dariusz J. Nasiek graduated from Medical University of Silesia
Dr. Nasiek graduated from Medical University of Silesia in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dariusz J. Nasiek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Dariusz J. Nasiek
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. Dariusz J. Nasiek's NPI number?
Dr. Dariusz J. Nasiek's NPI number is 1285636852. It was assigned on August 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Dariusz J. Nasiek?
Dr. Dariusz J. Nasiek is an anesthesiologist in Hackensack, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Dariusz J. Nasiek practice?
Dr. Nasiek practices at 19 Kotte Place, Hackensack, NJ 07601. Dr. Nasiek's primary practice is Hackensack Surgery Center in Hackensack, New Jersey. Dmand AI also links Dr. Nasiek to 1 group practice or clinic.
What is Dr. Dariusz J. Nasiek's office phone number?
The practice phone on file for Dr. Nasiek is (201) 996-1921.
What is Dr. Dariusz J. Nasiek's medical license number?
Dr. Nasiek holds New Jersey license 25MA06262500.
What medical group is Dr. Dariusz J. Nasiek part of?
Dr. Nasiek is linked to Anesthesiology and Pain Professional Practice.
Does Dr. Dariusz J. Nasiek accept Medicare?
Yes. CMS data shows Dr. Nasiek billed Medicare for 30 services in 2024, and Dr. Nasiek accepts Medicare assignment.
Does Dr. Dariusz J. Nasiek offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nasiek as offering telehealth services.
How many Medicare patients does Dr. Dariusz J. Nasiek see?
CMS counts 20 Medicare patients who saw Dr. Nasiek in 2024, with an average age of 72.
What services does Dr. Dariusz J. Nasiek bill to Medicare?
In 2024, Dr. Nasiek's most billed Medicare services were office visit, established patient (99213).
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Where did Dr. Dariusz J. Nasiek go to medical school?
Dr. Nasiek graduated from Medical University of Silesia in 1989.
What drugs does Dr. Dariusz J. Nasiek prescribe most?
In 2024 Medicare Part D data, Dr. Nasiek's most prescribed drugs by claims were Tramadol HCl, Cyclobenzaprine HCl and Ibuprofen.
Has Dr. Dariusz J. Nasiek received payments from drug or device companies?
CMS Open Payments shows $1,269 in general payments to Dr. Nasiek from 12 companies from 2016 to 2024. The largest total came from SeaPearl Inc.
How long has Dr. Dariusz J. Nasiek been practicing?
Dr. Nasiek graduated from medical school in 1989, 37 years ago.
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