Dr. David J. Swierzewski, MD
- Medicare services, 2024
- 1,122
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 42
- Hospital affiliations
- 1
- Industry payments
- $8,643
- Practice address
- 25 Highland Avenue, Newburyport, MA 01950
- Practice phone
- Call (978) 463-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Swierzewski'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. David J. Swierzewski is a general surgeon in Newburyport, Massachusetts
Dr. Swierzewski practices at Anna Jaques Hospital in Newburyport, Massachusetts, part of Beth Israel Lahey Health.
Dr. Swierzewski's NPI, 1508862046, was assigned on June 21, 2005. Dr. Swierzewski graduated from Tufts University School of Medicine in 1998. Dr. Swierzewski holds Massachusetts license 222925.
- NPI
- 1508862046NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587607213
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 463-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David J. Swierzewski practices at Anna Jaques Hospital in Newburyport, Massachusetts
Dr. Swierzewski's primary practice is Anna Jaques Hospital, at 25 Highland Avenue, Newburyport, MA 01950 in Essex County. The practice phone is (978) 463-1000.
- Anna Jaques Hospital25 Highland Avenue, Newburyport, MA 01950 · Essex CountyPhone(978) 463-1000
Source: Dmand AI Affiliation Data
Dr. David J. Swierzewski is affiliated with 2 sites of care
Dr. Swierzewski's primary practice is Anna Jaques Hospital in Newburyport, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Swierzewski to 1 imaging center, named with a free account. Dr. Swierzewski's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David J. Swierzewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Swierzewski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Anna Jaques Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David J. Swierzewski is one of 732 general surgeons in Massachusetts
Surgery is Dr. Swierzewski's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Swierzewski is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Swierzewski
Counts of general surgeons 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. David J. Swierzewski billed Medicare for 1,122 services in 2024
CMS data shows 1,122 Medicare services from Dr. Swierzewski across 11 procedure codes in 2024, for 186 Medicare patients. Medicare paid $248,287 for them.
Dr. Swierzewski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5912024: 5536%
- Surgery
- 2023: 3812024: 3882%
- Tests and treatments
- 2023: 1822024: 1811%
Where Dr. Swierzewski's Medicare services took place, 2024
- In an office67360%
- In a facility44940%
Dr. Swierzewski compared with the Massachusetts median for general surgeons, 2024
- Dr. Swierzewski
- Massachusetts median
- Medicare services
- 1,122vs 2005.6 times
- Medicare patients
- 186vs 15222% above
- Part D claims
- 24vs 229% above
Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Swierzewski'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.
Need commercial claims for Dr. Swierzewski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Swierzewski and other general surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David J. Swierzewski treated 186 Medicare patients in 2024, average age 75
CMS counts 186 Medicare patients who saw Dr. Swierzewski in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.91, 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. Swierzewski's median patient age at 65, with 63% women.
Dr. Swierzewski's Medicare patients by age, 2024
Dr. Swierzewski's Medicare patients by sex, 2024
- Women10154%
- Men8546%
Chronic conditions among Dr. Swierzewski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease44%
- Anxiety35%
- Atrial fibrillation33%
- Diabetes33%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Swierzewski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David J. Swierzewski wrote 42 Medicare Part D claims in 2024
In 2024, Dr. Swierzewski wrote 42 Medicare Part D claims for 24 patients. 69% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $498 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Dr. Swierzewski's Part D claims by kind of drug, 2024
- Generic29 claims69%
- Brand-name13 claims31%
Dr. Swierzewski's most prescribed drugs by claims, 2023
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. Swierzewski's Part D claims, 2024
- Antibiotics29%12 of 42 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 122023: 24100%
Drugs named by CMS: 2 in 2023, 1 in 2022.
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. David J. Swierzewski ranks in the 95th percentile for varicose vein removal in Medicare
Dr. Swierzewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 348 procedures of varicose vein removal by Dr. Swierzewski, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Swierzewski ranks in Medicare procedure volume
- Varicose vein removal
- 95th percentile348 procedures
- Removal of tissue
- 91st percentile196 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David J. Swierzewski received $8,643 in industry payments from 2016 to 2025
CMS Open Payments shows 84 general payments to Dr. Swierzewski from 17 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 80% of the total. Vascular Solutions, Inc. paid the most, $6,890.
General payments to Dr. Swierzewski by program year, 2016 to 2025
General payments to Dr. Swierzewski by kind, 2016 to 2025
- Speaker and faculty fees$6,89080%
- Travel and lodging$94511%
- Food and beverage$8089%
Companies that paid Dr. Swierzewski the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David J. Swierzewski graduated from Tufts University School of Medicine
Dr. Swierzewski graduated from Tufts University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David J. Swierzewski'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)Doctors and Clinicians Utilization Data (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. David J. Swierzewski
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. David J. Swierzewski's NPI number?
Dr. David J. Swierzewski's NPI number is 1508862046. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David J. Swierzewski?
Dr. David J. Swierzewski is a general surgeon in Newburyport, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David J. Swierzewski practice?
Dr. Swierzewski practices at 25 Highland Avenue, Newburyport, MA 01950. Dr. Swierzewski's primary practice is Anna Jaques Hospital in Newburyport, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Swierzewski to 1 imaging center.
What is Dr. David J. Swierzewski's office phone number?
The practice phone on file for Dr. Swierzewski is (978) 463-1000.
What is Dr. David J. Swierzewski's medical license number?
Dr. Swierzewski holds Massachusetts license 222925.
Which hospitals is Dr. David J. Swierzewski affiliated with?
Dr. Swierzewski practices at Anna Jaques Hospital in Newburyport, Massachusetts.
Does Dr. David J. Swierzewski accept Medicare?
Yes. CMS data shows Dr. Swierzewski billed Medicare for 1,122 services in 2024, and Dr. Swierzewski accepts Medicare assignment.
How many Medicare patients does Dr. David J. Swierzewski see?
CMS counts 186 Medicare patients who saw Dr. Swierzewski in 2024, with an average age of 75.
What services does Dr. David J. Swierzewski bill to Medicare?
In 2024, Dr. Swierzewski's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: skin and soft tissue (11042).
Where did Dr. David J. Swierzewski go to medical school?
Dr. Swierzewski graduated from Tufts University School of Medicine in 1998.
Show 3 more questionsShow fewer questions
What drugs does Dr. David J. Swierzewski prescribe most?
In 2023 Medicare Part D data, Dr. Swierzewski's most prescribed drugs by claims were Silver Sulfadiazine and Minocycline HCl.
Has Dr. David J. Swierzewski received payments from drug or device companies?
CMS Open Payments shows $8,643 in general payments to Dr. Swierzewski from 17 companies from 2016 to 2025. The largest total came from Vascular Solutions, Inc.
How long has Dr. David J. Swierzewski been practicing?
Dr. Swierzewski graduated from medical school in 1998, 28 years ago.
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