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Nurse Practitioner

Marissa R. Schwartz

Works at hospitals in New Britain, CT · Connecticut

Summary

Marissa R. Schwartz is a nurse practitioner at 201 N Mountain Rd, Plainville, CT 06062. Phone: (860) 229-8881. Accepts Medicare assignment. In 2024, Marissa R. Schwartz had 180 Original Medicare patients and 818 services. NPI 1750034906. 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: Nurse practitioner
  • Address: 201 N Mountain Rd, Plainville, CT 06062 · Directions (1 more location)
  • Phone: (860) 229‑8881
  • Medicare: Accepts Medicare assignment
  • Hospital: The Hospital of Central Connecticut
  • Group practice: Hartford Healthcare Medical Group Specialists PLLC
  • School: Emory University School Of Medicine · graduated 2021
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marissa R. Schwartz, 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 Marissa R. Schwartz accept Medicare assignment?
Yes. Medicare's clinician data says Marissa R. Schwartz 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 Marissa R. Schwartz see?
In 2024, CMS data shows 180 Original Medicare patients and 818 services for Marissa R. Schwartz. This counts Original Medicare only and measures volume, not quality.
What is Marissa R. Schwartz's NPI number?
1750034906. 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 Marissa R. Schwartz, 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 patients180
Services billed to Medicare818
Different services or procedures16
Participating Medicare providerYes
Average age of these patients75

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)92 services
  2. Urinalysis, manual test (81002)78 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
  4. Automated urinalysis test (81003)41 services
  5. Ultrasound measurement of bladder capacity after voiding (51798)31 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%
  • Arthritis52%
  • Ischemic heart disease37%
  • Diabetes34%
  • Chronic kidney disease34%

Hospitals where Marissa R. Schwartz works

Medicare's Facility Affiliation Data lists Marissa R. Schwartz 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 Marissa R. Schwartz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marissa R. Schwartz as a member of this group (CMS data updated October 2, 2026).

  • Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Connecticut →

Other nurse practitioners in Plainville

Clinicians with the same Medicare primary specialty in Plainville, CT — not a recommendation.

All nurse practitioners in Plainville →

Other clinicians in Hartford Healthcare Medical Group Specialists PLLC

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

Clinician information

SchoolEmory University School Of Medicine
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750034906
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