Thomas Ptak, MD PHD
NPI 1467436394 · Diagnostic Radiology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ptak, MD PHD is a Diagnostic Radiology Physician provider in Worcester, MA (NPI 1467436394).
Provider details
- NPI number
- 1467436394
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 74590 (MA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
12 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,830 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, 2 Views71046 | 622 | $10 |
| X-Ray of Chest, 1 View71045 | 543 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 460 | $39 |
| 3d Radiographic Procedure76376 | 310 | $9 |
| Ct Scan of Upper Spine Without Contrast72125 | 271 | $47 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 224 | $86 |
| Ct Scan of Chest With Contrast |
Practice location
Mailing address
Additional practice locations (11)
- 22 S Greene St Rm S2a19Baltimore, MD 21201-1544Phone: (410) 328-3477Fax: (410) 328-1190
- 1201 Letort Springs WayCarlisle, PA 17015-8011Phone: (717) 674-7600
- 112 N 7th StChambersburg, PA 17201-1720Phone: (717) 262-4499
- 460 N Reading RdEphrata, PA 17522-9606Phone: (717) 721-4840
- 169 Martin AveEphrata, PA 17522-1734Phone: (717) 738-6414
- 36 Robinhood DrEtters, PA 17319-9528Phone: (717) 388-7300
- 147 Gettys StGettysburg, PA 17325-2534Phone: (717) 337-4207
- 35 Erick RdLancaster, PA 17601-3111Phone: (717) 690-0785
- 252 S 4th StLebanon, PA 17042-6111Phone: (717) 270-7732
Registry dates
- Enumerated
- 2005-12-05
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Thomas Ptak's NPI number?
- Thomas Ptak's National Provider Identifier (NPI) is 1467436394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ptak's specialty?
- Thomas Ptak is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ptak located?
- Thomas Ptak's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Thomas Ptak's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ptak is (508) 334-3850.
- Does Thomas Ptak accept Medicare?
- Thomas Ptak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ptak's NPI active?
- Yes — Thomas Ptak's NPI (1467436394) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.