Heidi R. Wierman, MD

Medicare activity in 2024

Official CMS public-use data for Heidi R. Wierman, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)79 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)38 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)20 services
4. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)17 services
5. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)13 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 cholesterol67%
• High blood pressure66%
• Alzheimer's disease or dementia64%
• Anxiety40%
• Arthritis39%
• Depression39%

Hospitals where Heidi R. Wierman works

Medicare's Facility Affiliation Data lists Heidi R. Wierman 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 Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
• MaineHealth Mid Coast HospitalBrunswick, ME · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 200021

Practice locations

Addresses where Heidi R. Wierman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

• 1 Medical Ctr DrBiddeford, ME 04005
• 100 Brickhill AveSouth Portland, ME 04106
• 100 Campus DrScarborough, ME 04074
• 22 Bramhall StPortland, ME 04102
• 265 Western Ave, Suite 2South Portland, ME 04106

Group practices

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

• MaineHealth2,633 clinicians in the group

Specialties

• Geriatric Medicineprimary
• Internal Medicinealso

Find other Geriatric Medicine doctors in Maine →

Other geriatricians in Maine

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

• Jabbar Fazeli, MD
• Debra M. Nathan, MD
• Olivia Simpson, MD
• Rebecca A. Spear, DO
• Miriam Uduebor, MD
• Deirdre B. Heersink, DO
• Ann K. Magner, DO
• Elizabeth A. Mohan, MD

All geriatricians in Maine →

Other clinicians in MaineHealth

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

• Jeffrey M. Howard, MD
• Gordon Paine, MD
• Gunnar Huffman, DO
• Ruth G. Jahn, CNA
• Michael G. Case, PA
• Kurt A. Grahnke, 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