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Nurse Practitioner

Rachael R. Blackmar

Works at hospitals in Salem, MA · Massachusetts

Summary

Rachael R. Blackmar is a nurse practitioner at 55 Highland Ave, Suite 304, Salem, MA 01970. Phone: (978) 354-4611. Accepts Medicare assignment. In 2024, Rachael R. Blackmar had 81 Original Medicare patients and 933 services. NPI 1174196893. 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: 55 Highland Ave, Suite 304, Salem, MA 01970 · Directions (1 more location)
  • Phone: (978) 354‑4611
  • Medicare: Accepts Medicare assignment
  • Hospital: North Shore Medical Center -
  • Group practice: Mass General Brigham Medical Group Northern Massachusetts Inc (+1 more)
  • School: graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rachael R. Blackmar, 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 Rachael R. Blackmar accept Medicare assignment?
Yes. Medicare's clinician data says Rachael R. Blackmar 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 Rachael R. Blackmar see?
In 2024, CMS data shows 81 Original Medicare patients and 933 services for Rachael R. Blackmar. This counts Original Medicare only and measures volume, not quality.
What is Rachael R. Blackmar's NPI number?
1174196893. 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 Rachael R. Blackmar, 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 patients81
Services billed to Medicare933
Different services or procedures15
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)812 services
  2. Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes (99235)35 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)22 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)19 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 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%
  • Depression75%
  • Anxiety75%
  • Arthritis49%
  • Alzheimer's disease or dementia38%

Hospitals where Rachael R. Blackmar works

Medicare's Facility Affiliation Data lists Rachael R. Blackmar 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.

  • North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035

Practice locations

Addresses where Rachael R. Blackmar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rachael R. Blackmar as a member of these groups (CMS data updated October 2, 2026).

  • Mass General Brigham Medical Group Northern Massachusetts Inc827 clinicians in the group
  • Charter Health PC28 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Salem

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

All nurse practitioners in Salem →

Other clinicians in Mass General Brigham Medical Group Northern Massachusetts Inc

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

Clinician information

Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174196893
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