Jayachidambaram Ambalavanan, MD

Medicare activity in 2024

Official CMS public-use data for Jayachidambaram Ambalavanan, 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. 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
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)19 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)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 blood pressure69%
• High cholesterol67%
• Diabetes46%
• Arthritis46%
• Chronic kidney disease38%
• Osteoporosis36%

Hospitals where Jayachidambaram Ambalavanan works

Medicare's Facility Affiliation Data lists Jayachidambaram Ambalavanan 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
• MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 201315
• St Mary's Regional Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200034

Practice locations

Addresses where Jayachidambaram Ambalavanan is enrolled with Medicare (CMS data updated October 2, 2026).

• 175 US Route 1Scarborough, ME 04074 (207) 396‑7700
• 22 Bramhall StPortland, ME 04102

Group practices

Medicare enrollment lists Jayachidambaram Ambalavanan as a member of this group (CMS data updated October 2, 2026).

• MaineHealth2,633 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in Maine →

Other endocrinologists in Scarborough

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

• Marie M. Caldwell, MD
• Jacob Quaytman, MD
• Stephan P. Babirak, MD
• Rahfa Kurdi Zerikly, MD
• Kathryn E. Nagel, MD
• Heidi M. Golden, MD
• Emily W. Demetriou, MD
• Daniel S. Oppenheim, MD

All endocrinologists in Scarborough →

Other clinicians in MaineHealth

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

• Rosemarie Smith, MD
• Meagan J. Clark, MD
• Brad G. Samojla, DPM
• Brooke Pfister, MD
• Kara K. Duffy
• Samuel R. Backman, 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