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Physical Medicine and Rehabilitation

Jessica L. Mack, MD

Works at hospitals in Concord, NH · Laconia, NH · New London, NH … · New Hampshire

Summary

Dr. Jessica L. Mack, MD is a rehabilitation doctor at 264 Pleasant St, Concord, NH 03301. Phone: (603) 224-3368. Accepts Medicare assignment. In 2024, Jessica L. Mack had 366 Original Medicare patients and 1,205 services. NPI 1144544784. 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 Jessica L. Mack, 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 Jessica L. Mack accept Medicare assignment?
Yes. Medicare's clinician data says Jessica L. Mack 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 Jessica L. Mack see?
In 2024, CMS data shows 366 Original Medicare patients and 1,205 services for Jessica L. Mack. This counts Original Medicare only and measures volume, not quality.
What is Jessica L. Mack's NPI number?
1144544784. 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 Jessica L. Mack, 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 patients366
Services billed to Medicare1,205
Different services or procedures47
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)207 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)164 services
  3. Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)138 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
  5. Injection of lower or sacral spine facet joint using imaging guidance, single level (64493)83 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 cholesterol75%
  • Arthritis75%
  • High blood pressure64%
  • Anxiety30%
  • Depression25%
  • Diabetes19%

Hospitals where Jessica L. Mack works

Medicare's Facility Affiliation Data lists Jessica L. Mack 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
  • New London HospitalNew London, NH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 301304
  • Speare Memorial HospitalPlymouth, NH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 301311

Practice locations

Addresses where Jessica L. Mack is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jessica L. Mack as a member of this group (CMS data updated October 2, 2026).

  • Northeast Orthopaedic Alliance PLLC291 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in New Hampshire →

Other rehabilitation doctors in Concord

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

All rehabilitation doctors in Concord →

Other clinicians in Northeast Orthopaedic Alliance PLLC

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144544784
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