Gregory R. Grotz, MD

Medicare activity in 2024

Official CMS public-use data for Gregory R. Grotz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. X-ray of chest, 2 views (71046)429 services
2. X-ray of chest, 1 view (71045)335 services
3. Screening mammography (77067)281 services
4. Screening 3d breast mammography (77063)280 services
5. Dxa bone density measurement of hip, pelvis, spine (77080)276 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure62%
• High cholesterol55%
• Arthritis44%
• Ischemic heart disease24%
• Chronic kidney disease24%
• Depression23%

Hospitals where Gregory R. Grotz works

Medicare's Facility Affiliation Data lists Gregory R. Grotz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• MaineHealth Pen Bay HospitalRockport, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200063
• MaineHealth Waldo HospitalBelfast, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201312
• Northern Light Eastern Maine Medical CenterBangor, ME · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 200033

Practice locations

Addresses where Gregory R. Grotz is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 Franklin Health CmnsFarmington, ME 04938 (207) 778‑6031
• 118 Northport AveBelfast, ME 04915 (207) 338‑2500

Group practices

Medicare enrollment lists Gregory R. Grotz as a member of this group (CMS data updated October 2, 2026).

• New England Radiological Consortium LLC19 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Maine →

Other radiologists in Maine

Clinicians with the same Medicare primary specialty in Maine — not a recommendation.

• James Hayes, MD
• Maureen Magut Charette, MD
• Amninder Singh, MD
• Kenneth Mendelson, MD
• Elena L. Resnick, MD
• David A. Biermann, MD
• Michael O. Quinn, MD
• Robert T. Baril, DO

All radiologists in Maine →

Other clinicians in New England Radiological Consortium LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• James Hayes, MD
• John Pierce, MD
• James Johnston, MD
• Jeffrey Mendel, MD
• Timothy Norton, MD
• John T. Jones, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians