Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Otolaryngology

Chandler Marietta, MD

Works at hospitals in Concord, NH · Laconia, NH · Plymouth, NH · New Hampshire

Summary

Dr. Chandler Marietta, MD is an ENT doctor at 246 Pleasant St, Concord, NH 03301. Phone: (603) 228-7200. Accepts Medicare assignment. In 2024, Chandler Marietta had 394 Original Medicare patients and 1,237 services. NPI 1568477982. 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 Chandler Marietta, 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 Chandler Marietta accept Medicare assignment?
Yes. Medicare's clinician data says Chandler Marietta 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 Chandler Marietta see?
In 2024, CMS data shows 394 Original Medicare patients and 1,237 services for Chandler Marietta. This counts Original Medicare only and measures volume, not quality.
What is Chandler Marietta's NPI number?
1568477982. 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 Chandler Marietta, 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 patients394
Services billed to Medicare1,237
Different services or procedures36
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Removal of impacted ear wax (69210)298 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)255 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)185 services
  4. Professional service for preparation and provision of 1 or more antigens (95165)142 services
  5. 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)75 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 cholesterol69%
  • High blood pressure66%
  • Arthritis45%
  • Anxiety21%
  • Depression19%
  • Diabetes16%

Hospitals where Chandler Marietta works

Medicare's Facility Affiliation Data lists Chandler Marietta 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.

  • Concord HospitalConcord, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 300001
  • Concord Hospital- LaconiaLaconia, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300005
  • Speare Memorial HospitalPlymouth, NH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 301311

Practice locations

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

Group practices

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

  • Concord Hospital Inc567 clinicians in the group
  • Concord Hospital-Laconia273 clinicians in the group

Specialties

Find other Otolaryngology doctors in New Hampshire →

Other ENT doctors in Concord

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

All ENT doctors in Concord →

Other clinicians in Concord Hospital Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568477982
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