Andrea S. Klayman, MD

Medicare activity in 2024

Official CMS public-use data for Andrea S. Klayman, 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. Insertion of needle into vein for collection of blood sample (36415)281 services
2. Blood test, comprehensive group of blood chemicals (80053)150 services
3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)107 services
4. Blood test, lipids (cholesterol and triglycerides) (80061)98 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)94 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 cholesterol54%
• High blood pressure50%
• Arthritis44%
• Anxiety20%
• Chronic kidney disease19%
• Osteoporosis19%

Hospitals where Andrea S. Klayman works

Medicare's Facility Affiliation Data lists Andrea S. Klayman 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.

• Maine General Medical CenterAugusta, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200039
• 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
• Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200008
• The Memorial HospitalNorth Conway, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301307

Practice locations

Addresses where Andrea S. Klayman is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Foden RdSouth Portland, ME 04106 (207) 874‑1489
• 50 Forest Falls DrYarmouth, ME 04096
• 730 Ctr St, Suite 9Auburn, ME 04210 (207) 783‑3450

Group practices

Medicare enrollment lists Andrea S. Klayman as a member of these groups (CMS data updated October 2, 2026).

• Select Physical Therapy Holdings Inc2,024 clinicians in the group
• Intermed PA183 clinicians in the group
• Riverview Physical Therapy Limited Partnership63 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Maine →

Other internal medicine doctors in South Portland

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

• Peter W. Emery, MD
• Daniel J. Griffin, MD
• John W. Gilboy, MD
• Scott A. Cathcart, MD
• Meagan Moore
• Phyllidia M. Ku Ruth, MD
• Jason A. Yahwak, MD
• Stephen R. Gorman, DO

All internal medicine doctors in South Portland →

Other clinicians in Select Physical Therapy Holdings Inc

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

• Samantha L. Abernethy, PT
• George H. Lien, MD
• Mark D. Williams, DO
• Stephen T. Staelin, MD
• Megan E. McBrady, MD
• Christopher Jetter, DPM

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