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Nurse Practitioner

Melissa J. Haynes, NP

Works at hospitals in Chestertown, MD · Easton, MD · Maryland

Summary

Melissa J. Haynes, NP is a nurse practitioner at 219 S Washington St, Easton, MD 21601. Phone: (410) 822-1000. Accepts Medicare assignment. In 2024, Melissa J. Haynes had 160 Original Medicare patients and 351 services. NPI 1619506516. 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 Melissa J. Haynes, 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 Melissa J. Haynes accept Medicare assignment?
Yes. Medicare's clinician data says Melissa J. Haynes 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 Melissa J. Haynes see?
In 2024, CMS data shows 160 Original Medicare patients and 351 services for Melissa J. Haynes. This counts Original Medicare only and measures volume, not quality.
What is Melissa J. Haynes's NPI number?
1619506516. 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 Melissa J. Haynes, 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 patients160
Services billed to Medicare351
Different services or procedures15
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Advance care planning, first 30 minutes (99497)93 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)76 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)60 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)36 services
  5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)28 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%
  • Heart failure59%
  • Arthritis55%
  • Chronic kidney disease54%
  • Atrial fibrillation53%

Hospitals where Melissa J. Haynes works

Medicare's Facility Affiliation Data lists Melissa J. Haynes 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 Melissa J. Haynes is enrolled with Medicare (CMS data updated October 2, 2026).

  • 219 S Washington StEaston, MD 21601
  • 500 Cadmus Ln, Suite 209Easton, MD 21601 (410) 822‑1000

Group practices

Medicare enrollment lists Melissa J. Haynes as a member of this group (CMS data updated October 2, 2026).

  • University of Maryland Community Medical Group Inc477 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maryland →

Other nurse practitioners in Easton

Clinicians with the same Medicare primary specialty in Easton, MD — not a recommendation.

All nurse practitioners in Easton →

Other clinicians in University of Maryland Community Medical Group Inc

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

Clinician information

CredentialNP
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1619506516
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