Dr. Daniel H. Sajewski, MD
- Medicare services, 2024
- 1,102
- Medicare patients, 2024
- 499
- Part D claims, 2024
- 1,218
- Hospital affiliations
- 2
- Industry payments
- $167,127
- Practice address
- 100 Port Washington Boulevard, Roslyn, NY 11576
- Practice phone
- Call (516) 562-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sajewski'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. Daniel H. Sajewski is an anesthesiologist in Roslyn, New York
Dr. Sajewski practices at St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre.
Dr. Sajewski's NPI, 1669485041, was assigned on August 15, 2006. Dr. Sajewski graduated from Rutgers New Jersey Medical School in 1989. Dr. Sajewski holds New York license 191875.
- NPI
- 1669485041NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911195649
- NPI enumeration date
- August 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 562-6000
- 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. Daniel H. Sajewski practices at St. Francis Hospital & Heart Center in Roslyn, New York
Dr. Sajewski's primary practice is St. Francis Hospital & Heart Center, at 100 Port Washington Boulevard, Roslyn, NY 11576 in Nassau County. The practice phone is (516) 562-6000.
- St. Francis Hospital & Heart Center100 Port Washington Boulevard, Roslyn, NY 11576 · Nassau CountyPhone(516) 562-6000
Source: Dmand AI Affiliation Data
Dr. Daniel H. Sajewski is affiliated with 2 sites of care and 2 medical groups
Dr. Sajewski's primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dr. Sajewski is also affiliated with Mercy Hospital. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dr. Sajewski to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel H. Sajewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sajewski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis Hospital & Heart Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Daniel H. Sajewski is one of 3,858 anesthesiologists in New York
Anesthesiology is Dr. Sajewski's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Sajewski is licensed in New York.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
Anesthesiologists near Dr. Sajewski
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. Daniel H. Sajewski billed Medicare for 1,102 services in 2024
CMS data shows 1,102 Medicare services from Dr. Sajewski across 18 procedure codes in 2024, for 499 Medicare patients. Medicare paid $112,707 for them.
Dr. Sajewski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6252024: 6728%
- Anesthesia
- 2023: 2092024: 24618%
- Surgery
- 2023: 1492024: 1533%
- Imaging
- 2023: 342024: 319%
Where Dr. Sajewski's Medicare services took place, 2024
- In an office67261%
- In a facility43039%
Dr. Sajewski compared with the New York median for anesthesiologists, 2024
- Dr. Sajewski
- New York median
- Medicare services
- 1,102vs 7614.5 times
- Medicare patients
- 499vs 1323.8 times
- Part D claims
- 1,105vs 2446.0 times
Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.
Dr. Sajewski'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. Sajewski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sajewski and other anesthesiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel H. Sajewski treated 499 Medicare patients in 2024, average age 76
CMS counts 499 Medicare patients who saw Dr. Sajewski in 2024. The largest group is 75 to 84, with 215 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.57, 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. Sajewski's median patient age at 65, with 52% women.
Dr. Sajewski's Medicare patients by age, 2024
Dr. Sajewski's Medicare patients by sex, 2024
- Women24649%
- Men25351%
Chronic conditions among Dr. Sajewski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Ischemic heart disease60%
- Atrial fibrillation40%
- Diabetes38%
- Heart failure33%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sajewski'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
- Women52%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel H. Sajewski wrote 1,218 Medicare Part D claims in 2024
In 2024, Dr. Sajewski wrote 1,218 Medicare Part D claims for 104 patients. 88% of them were for generic drugs. CMS names the drug for 1,105 of them, across 22 drugs with 11 or more claims each, at $127,764 in total drug cost. In 2023, CMS named 1,003 claims across 20 drugs.
Dr. Sajewski's Part D claims by kind of drug, 2024
- Generic1,071 claims88%
- Brand-name147 claims12%
Dr. Sajewski'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. Sajewski's Part D claims, 2024
- Opioids66%801 of 1,218 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: 1,0032024: 1,10510%
Drugs named by CMS: 22 in 2024, 20 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
How Dr. Daniel H. Sajewski takes part in Medicare
Dr. Sajewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Daniel H. Sajewski received $167,127 in industry payments from 2016 to 2025
CMS Open Payments shows 843 general payments to Dr. Sajewski from 62 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 62% of the total. Cumberland Pharmaceuticals, Inc. paid the most, $152,808.
General payments to Dr. Sajewski by program year, 2016 to 2025
General payments to Dr. Sajewski by kind, 2016 to 2025
- Speaker and faculty fees$103,85162%
- Travel and lodging$22,07613%
- Food and beverage$19,41712%
- Compensation for serving as faculty or as a speaker for a medical education program$11,8797%
- Other$9,7476%
Companies that paid Dr. Sajewski 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. Daniel H. Sajewski graduated from Rutgers New Jersey Medical School
Dr. Sajewski graduated from Rutgers New Jersey Medical School in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel H. Sajewski'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. Daniel H. Sajewski
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. Daniel H. Sajewski's NPI number?
Dr. Daniel H. Sajewski's NPI number is 1669485041. It was assigned on August 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel H. Sajewski?
Dr. Daniel H. Sajewski is an anesthesiologist in Roslyn, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Daniel H. Sajewski practice?
Dr. Sajewski practices at 100 Port Washington Boulevard, Roslyn, NY 11576. Dr. Sajewski's primary practice is St. Francis Hospital & Heart Center in Roslyn, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Sajewski to 1 medical group.
What is Dr. Daniel H. Sajewski's office phone number?
The practice phone on file for Dr. Sajewski is (516) 562-6000.
What is Dr. Daniel H. Sajewski's medical license number?
Dr. Sajewski holds New York license 191875.
Which hospitals is Dr. Daniel H. Sajewski affiliated with?
Dr. Sajewski practices at St. Francis Hospital & Heart Center in Roslyn, New York. Dr. Sajewski is also affiliated with Mercy Hospital.
What medical group is Dr. Daniel H. Sajewski part of?
Dr. Sajewski is linked to Cardiac Interventional Group. Dmand AI links Dr. Sajewski to 1 more medical group.
Does Dr. Daniel H. Sajewski accept Medicare?
Yes. CMS data shows Dr. Sajewski billed Medicare for 1,102 services in 2024, and Dr. Sajewski accepts Medicare assignment.
How many Medicare patients does Dr. Daniel H. Sajewski see?
CMS counts 499 Medicare patients who saw Dr. Sajewski in 2024, with an average age of 76.
What services does Dr. Daniel H. Sajewski bill to Medicare?
In 2024, Dr. Sajewski's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36620) and office visit, established patient (99214).
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Where did Dr. Daniel H. Sajewski go to medical school?
Dr. Sajewski graduated from Rutgers New Jersey Medical School in 1989.
What drugs does Dr. Daniel H. Sajewski prescribe most?
In 2024 Medicare Part D data, Dr. Sajewski's most prescribed drugs by claims were Oxycodone HCl, Tizanidine HCl and Hydrocodone-Acetaminophen.
Has Dr. Daniel H. Sajewski received payments from drug or device companies?
CMS Open Payments shows $167,127 in general payments to Dr. Sajewski from 62 companies from 2016 to 2025. The largest total came from Cumberland Pharmaceuticals, Inc.
How long has Dr. Daniel H. Sajewski been practicing?
Dr. Sajewski graduated from medical school in 1989, 37 years ago.
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