Erwey A. Teng, MD

Medicare activity in 2024

Official CMS public-use data for Erwey A. Teng, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)184 services
2. Critical care, first 30-74 minutes (99291)146 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)14 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 pressure75%
• High cholesterol73%
• Heart failure60%
• COPD54%
• Atrial fibrillation52%
• Arthritis43%

Hospitals where Erwey A. Teng works

Medicare's Facility Affiliation Data lists Erwey A. Teng 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.

• Central Maine Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200024
• Rumford HospitalRumford, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201306

Practice locations

Addresses where Erwey A. Teng is enrolled with Medicare (CMS data updated October 2, 2026).

• 300 Main StLewiston, ME 04240
• 76 High St, Suite 300Lewiston, ME 04240

Group practices

Medicare enrollment lists Erwey A. Teng as a member of this group (CMS data updated October 2, 2026).

• Central Maine Medical Center342 clinicians in the group

Specialties

• Pulmonary Diseaseprimary

Find other Pulmonary Disease doctors in Maine →

Other pulmonologists in Lewiston

Clinicians with the same Medicare primary specialty in Lewiston, ME — not a recommendation.

• Mallory N. Lesieur, MD
• Simrina Sabharwal, MD
• Linda Benes
• Benjamin P. Smith, MD
• Michele Guzowski, MD

All pulmonologists in Lewiston →

Other clinicians in Central Maine Medical Center

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

• Cristan Anderson, MD
• Sean T. O'Sullivan, DO
• Jennifer A. Waterman, DO
• Nicholas Knowland, MD
• Robert Gayle, DO
• Robert A. Cambria, 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