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Cardiovascular Disease (Cardiology)

Lakshman Subrahmanyan, MD

Works at hospitals in Lebanon, NH · Keene, NH · Wolfeboro, NH … · New Hampshire, Vermont

Summary

Dr. Lakshman Subrahmanyan, MD is a cardiologist at 1 Medical Ctr Dr, Lebanon, NH 03756. Phone: (603) 650-5000. Accepts Medicare assignment. In 2024, Lakshman Subrahmanyan had 2,130 Original Medicare patients and 3,507 services. NPI 1316100498. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Lakshman Subrahmanyan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lakshman Subrahmanyan accept Medicare assignment?
Yes. Medicare's clinician data says Lakshman Subrahmanyan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Lakshman Subrahmanyan see?
In 2024, CMS data shows 2,130 Original Medicare patients and 3,507 services for Lakshman Subrahmanyan. This counts Original Medicare only and measures volume, not quality.
What is Lakshman Subrahmanyan's NPI number?
1316100498. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Lakshman Subrahmanyan, 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.

Original Medicare patients2,130
Services billed to Medicare3,507
Different services or procedures35
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,402 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)599 services
  3. Ultrasound of heart blood flow, valves and chambers, follow-up (93321)210 services
  4. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)185 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)170 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 cholesterol72%
  • Ischemic heart disease47%
  • Arthritis45%
  • Atrial fibrillation42%
  • Heart failure40%

Hospitals where Lakshman Subrahmanyan works

Medicare's Facility Affiliation Data lists Lakshman Subrahmanyan 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.

  • Alice Peck Day Memorial HospitalLebanon, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301305
  • Cheshire Medical CenterKeene, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300019
  • Huggins HospitalWolfeboro, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301312
  • Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300003
  • Mt Ascutney HospitalWindsor, VT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 471302

Practice locations

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

Group practices

Medicare enrollment lists Lakshman Subrahmanyan as a member of these groups (CMS data updated October 2, 2026).

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group
  • Mary Hitchcock Memorial Hospital1,280 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New Hampshire →

Other cardiologists in Lebanon

Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.

All cardiologists in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1316100498
CorrectionsReport an error or suggest an update →

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