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Otolaryngology

Cynthia Chrosniak, MD

Works at hospitals in Olney, MD · Maryland

Summary

Dr. Cynthia Chrosniak, MD is an ENT doctor at 18111 Prince Philip Dr, Suite 224, Olney, MD 20832. Phone: (301) 774-0074. Accepts Medicare assignment. In 2024, Cynthia Chrosniak had 1,429 Original Medicare patients and 4,949 services. NPI 1346247616. 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: ENT doctor (Medicare lists Otolaryngology)
  • Address: 18111 Prince Philip Dr, Suite 224, Olney, MD 20832 · Directions (1 more location)
  • Phone: (301) 774‑0074
  • Medicare: Accepts Medicare assignment
  • Hospital: MedStar Montgomery Medical Center
  • Group practice: Centers for Advanced Ent Care LLC
  • Medical school: University Of Virginia School Of Medicine · graduated 1989 (37 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cynthia Chrosniak, 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 Cynthia Chrosniak accept Medicare assignment?
Yes. Medicare's clinician data says Cynthia Chrosniak 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 Cynthia Chrosniak see?
In 2024, CMS data shows 1,429 Original Medicare patients and 4,949 services for Cynthia Chrosniak. This counts Original Medicare only and measures volume, not quality.
What is Cynthia Chrosniak's NPI number?
1346247616. 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 Cynthia Chrosniak, 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 patients1,429
Services billed to Medicare4,949
Different services or procedures54
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Test for allergy using allergenic extract (95004)952 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)570 services
  3. Removal of impacted ear wax (69210)512 services
  4. Comprehensive hearing and speech recognition test (92557)493 services
  5. Test to assess middle ear function (92567)430 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%
  • Diabetes25%
  • Ischemic heart disease24%
  • Osteoporosis23%

Hospitals where Cynthia Chrosniak works

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

Group practices

Medicare enrollment lists Cynthia Chrosniak as a member of this group (CMS data updated October 2, 2026).

  • Centers for Advanced Ent Care LLC103 clinicians in the group

Specialties

Find other Otolaryngology doctors in Maryland →

Other ENT doctors in Maryland

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

All ENT doctors in Maryland →

Other clinicians in Centers for Advanced Ent Care LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346247616
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