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Certified Clinical Nurse Specialist (CNS)

Roberta L. Worrall Feldhausen, CNS

Sees patients in Olney, MD · Silver Spring, MD · Bethesda, MD · Maryland

Summary

Roberta L. Worrall Feldhausen, CNS is a clinical nurse specialist at 2923 Olney Sandy Spring Rd, Suite E, Olney, MD 20832. Phone: (301) 570-4400. Accepts Medicare assignment. In 2024, Roberta L. Worrall Feldhausen had 173 Original Medicare patients and 2,197 services. NPI 1841222973. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical nurse specialist (Medicare lists Certified Clinical Nurse Specialist (CNS))
  • Address: 2923 Olney Sandy Spring Rd, Suite E, Olney, MD 20832 · Directions (2 more locations)
  • Phone: (301) 570‑4400
  • Medicare: Accepts Medicare assignment
  • Group practice: Erickson Health Medical Group of Maryland, PC (+1 more)
  • School: University Of Maryland School Of Medicine · graduated 1997
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Roberta L. Worrall Feldhausen, 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 Roberta L. Worrall Feldhausen accept Medicare assignment?
Yes. Medicare's clinician data says Roberta L. Worrall Feldhausen 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 Roberta L. Worrall Feldhausen see?
In 2024, CMS data shows 173 Original Medicare patients and 2,197 services for Roberta L. Worrall Feldhausen. This counts Original Medicare only and measures volume, not quality.
What is Roberta L. Worrall Feldhausen's NPI number?
1841222973. 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 Roberta L. Worrall Feldhausen, 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 patients173
Services billed to Medicare2,197
Different services or procedures29
Participating Medicare providerYes
Average age of these patients85

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)529 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)377 services
  3. Psychotherapy with evaluation and management visit, 45 minutes (90836)335 services
  4. Psychotherapy, 45 minutes (90834)184 services
  5. Psychotherapy with evaluation and management visit, 30 minutes (90833)161 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%
  • Arthritis71%
  • Anxiety66%
  • Chronic kidney disease65%
  • Depression55%

Practice locations

Addresses where Roberta L. Worrall Feldhausen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Roberta L. Worrall Feldhausen as a member of these groups (CMS data updated October 2, 2026).

  • Erickson Health Medical Group of Maryland, PC39 clinicians in the group
  • Harrison and Feldhausen PC2 clinicians in the group

Specialties

Find other clinicians: Certified Clinical Nurse Specialist (CNS), Maryland →

Other clinical nurse specialists in Maryland

Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.

All clinical nurse specialists in Maryland →

Other clinicians in Erickson Health Medical Group of Maryland, PC

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

Clinician information

CredentialCNS
SchoolUniversity Of Maryland School Of Medicine
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841222973
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians