Jaroslaw Tkacz, M.D.
NPI 1518938745 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaroslaw Tkacz, M.D. is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1518938745).
Provider details
- NPI number
- 1518938745
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 209716 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,437 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 372 | $9 |
| X-Ray of Chest, 2 Views71046 | 334 | $11 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 116 | $90 |
| Complete Ultrasound Scan of Abdomen76700 | 92 | $40 |
| X-Ray of Abdomen, 1 View74018 | 71 | $9 |
| Ct Scan of Chest With Contrast71260 | 68 | $55 |
Practice location
Mailing address
Additional practice locations (5)
- 736 Cambridge StBrighton, MA 02135Phone: (617) 789-2762Fax: (617) 562-7916
- 235 North Pearl StBrockton, MA 02301Phone: (508) 427-2665Fax: (508) 427-2368
- 140 Lincoln AveHaverhill, MA 01830-6700Phone: (978) 374-2000
- 1 General StLawrence, MA 01841-2961Phone: (978) 683-4000
- 70 East StMethuen, MA 01844-4597Phone: (978) 867-0151
Registry dates
- Enumerated
- 2006-01-27
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Jaroslaw Tkacz's NPI number?
- Jaroslaw Tkacz's National Provider Identifier (NPI) is 1518938745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaroslaw Tkacz's specialty?
- Jaroslaw Tkacz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jaroslaw Tkacz located?
- Jaroslaw Tkacz's practice location on file with NPPES is 840 Harrison Ave, Boston, MA 02118-2905.
- What is Jaroslaw Tkacz's phone number?
- The practice phone number listed in the NPPES registry for Jaroslaw Tkacz is (617) 638-6610.
- Does Jaroslaw Tkacz accept Medicare?
- Jaroslaw Tkacz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaroslaw Tkacz's NPI active?
- Yes — Jaroslaw Tkacz's NPI (1518938745) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.