Daniel Sajewski, M.D.
NPI 1669485041 · Anesthesiology Physician · Roslyn, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Sajewski, M.D. is a Anesthesiology Physician provider in Roslyn, NY (NPI 1669485041).
Provider details
- NPI number
- 1669485041
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 191875 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,102 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 607 | $106 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 68 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $150 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 41 | $116 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 40 | $176 |
| Anesthesia for Procedure to Assess Heart Electrical Activity |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 258 | 41 |
| Tizanidine Hcl | 114 | 41 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 94 | 18 |
| Fentanyl | 88 | 12 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 78 | 13 |
| Gabapentin | 71 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,662 across 70 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-15
- Last updated
- 2013-06-06
Frequently asked questions
- What is Daniel Sajewski's NPI number?
- Daniel Sajewski's National Provider Identifier (NPI) is 1669485041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Sajewski's specialty?
- Daniel Sajewski is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Sajewski located?
- Daniel Sajewski's practice location on file with NPPES is 100 Port Washington Blvd, Roslyn, NY 11576-1353.
- What is Daniel Sajewski's phone number?
- The practice phone number listed in the NPPES registry for Daniel Sajewski is (516) 627-6624.
- Does Daniel Sajewski accept Medicare?
- Daniel Sajewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Sajewski's NPI active?
- Yes — Daniel Sajewski's NPI (1669485041) is active in the NPPES registry as of the last update on 2013-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.