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Emergency Medicine

Hosana Mamata

Works at hospitals in W Concord, MA · Worcester, MA · Massachusetts

Summary

Hosana Mamata is an emergency medicine doctor at 133 Old Rd To 9 Acre Cor, Concord, MA 01742. Phone: (978) 287-3020. Accepts Medicare assignment. In 2024, Hosana Mamata had 281 Original Medicare patients and 386 services. NPI 1811456924. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 133 Old Rd To 9 Acre Cor, Concord, MA 01742 · Directions (4 more locations)
  • Phone: (978) 287‑3020
  • Medicare: Accepts Medicare assignment
  • Hospitals: Emerson Hospital -, UMass Memorial Medical Center/University Campus
  • Group practice: UMass Memorial Medical Group Inc (+1 more)
  • Medical school: University Of Massachusetts Medical School · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Hosana Mamata, 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 Hosana Mamata accept Medicare assignment?
Yes. Medicare's clinician data says Hosana Mamata 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 Hosana Mamata see?
In 2024, CMS data shows 281 Original Medicare patients and 386 services for Hosana Mamata. This counts Original Medicare only and measures volume, not quality.
What is Hosana Mamata's NPI number?
1811456924. 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 Hosana Mamata, 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 patients281
Services billed to Medicare386
Different services or procedures34
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)134 services
  2. Emergency department visit with moderate level of medical decision making (99284)77 services
  3. Critical care, first 30-74 minutes (99291)52 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)42 services
  5. Critical care, each additional 30 minutes (99292)19 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 cholesterol75%
  • Anxiety47%
  • Arthritis46%
  • Depression40%
  • Diabetes39%

Hospitals where Hosana Mamata works

Medicare's Facility Affiliation Data lists Hosana Mamata 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.

Practice locations

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

Group practices

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

  • UMass Memorial Medical Group Inc2,516 clinicians in the group
  • Emerson Practice Associates, Inc240 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Massachusetts →

Other emergency medicine doctors in Concord

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

All emergency medicine doctors in Concord →

Other clinicians in UMass Memorial Medical Group Inc

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

Clinician information

Medical schoolUniversity Of Massachusetts Medical School
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811456924
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