Nathan Olszewski, MD
NPI 1376905109 · Orthopaedic Trauma Physician · Boston, MA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Olszewski, MD is a Orthopaedic Trauma Physician provider in Boston, MA (NPI 1376905109).
Provider details
- NPI number
- 1376905109
- Entity type
- Individual
- Primary specialty
- Orthopaedic Trauma PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61139365 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
290 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 51 | $181 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 41 | $124 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $102 |
| Imaging Guidance for Procedure, 60 Minutes Or Less76000 | 38 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,280 across 20 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
Additional practice locations (1)
- 325 9th AveSeattle, WA 98104-2420Phone: (206) 520-5000
Registry dates
- Enumerated
- 2016-03-22
- Last updated
- 2022-08-10
- Certified
- 2022-08-05
Frequently asked questions
- What is Nathan Olszewski's NPI number?
- Nathan Olszewski's National Provider Identifier (NPI) is 1376905109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Olszewski's specialty?
- Nathan Olszewski is listed in the NPPES registry with a primary specialty of Orthopaedic Trauma Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Olszewski located?
- Nathan Olszewski's practice location on file with NPPES is 725 Albany St Ste 4b, Boston, MA 02118-3549.
- What is Nathan Olszewski's phone number?
- The practice phone number listed in the NPPES registry for Nathan Olszewski is (617) 638-5633.
- Does Nathan Olszewski accept Medicare?
- Nathan Olszewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Olszewski's NPI active?
- Yes — Nathan Olszewski's NPI (1376905109) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.