Jeffrey Gronkiewicz, M.D.
NPI 1417121120 · Diagnostic Radiology Physician · Lakeland, FL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Gronkiewicz, M.D. is a Diagnostic Radiology Physician provider in Lakeland, FL (NPI 1417121120).
Provider details
- NPI number
- 1417121120
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0067589 (CO)
Specialties & taxonomies
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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,083 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 | 506 | $8 |
| Screening 3d Breast Mammography77063 | 354 | $27 |
| Screening Mammography77067 | 350 | $35 |
| Ct Scan Head Or Brain Without Contrast70450 | 210 | $38 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 204 | $84 |
| Screening 3d Breast Mammography77063 | 159 | $52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-15
- Last updated
- 2022-04-19
- Certified
- 2022-04-19
Frequently asked questions
- What is Jeffrey Gronkiewicz's NPI number?
- Jeffrey Gronkiewicz's National Provider Identifier (NPI) is 1417121120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Gronkiewicz's specialty?
- Jeffrey Gronkiewicz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Gronkiewicz located?
- Jeffrey Gronkiewicz's practice location on file with NPPES is 2125 Crystal Grove Dr, Lakeland, FL 33801-6875.
- What is Jeffrey Gronkiewicz's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Gronkiewicz is (863) 688-2334.
- Does Jeffrey Gronkiewicz accept Medicare?
- Jeffrey Gronkiewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Gronkiewicz's NPI active?
- Yes — Jeffrey Gronkiewicz's NPI (1417121120) is active in the NPPES registry as of the last update on 2022-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.