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Orthopedic Surgery

Rhyne C. Dengenis, DO

Works at hospitals in Bethpage, NY · East Meadow, NY · New York

Summary

Dr. Rhyne C. Dengenis, DO is an orthopedic surgeon at 2201 Hempstead Tpke, Fl 19, East Meadow, NY 11554. Accepts Medicare assignment. In 2024, Rhyne C. Dengenis had 723 Original Medicare patients and 7,068 services. NPI 1144663667. 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: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 2201 Hempstead Tpke, Fl 19, East Meadow, NY 11554 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospitals: Chsli St Joseph Hospital, Nassau University Medical Center
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Rhyne C. Dengenis, 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 Rhyne C. Dengenis accept Medicare assignment?
Yes. Medicare's clinician data says Rhyne C. Dengenis 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 Rhyne C. Dengenis see?
In 2024, CMS data shows 723 Original Medicare patients and 7,068 services for Rhyne C. Dengenis. This counts Original Medicare only and measures volume, not quality.
What is Rhyne C. Dengenis's NPI number?
1144663667. 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 Rhyne C. Dengenis, 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 patients723
Services billed to Medicare7,068
Different services or procedures103
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg (J7331)3,764 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)813 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)434 services
  4. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)382 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)320 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 cholesterol75%
  • Arthritis72%
  • High blood pressure71%
  • Diabetes36%
  • Ischemic heart disease34%
  • Anxiety26%

Hospitals where Rhyne C. Dengenis works

Medicare's Facility Affiliation Data lists Rhyne C. Dengenis 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.

  • Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
  • Nassau University Medical CenterEast Meadow, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330027

Practice locations

Addresses where Rhyne C. Dengenis is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2201 Hempstead Tpke, Fl 19East Meadow, NY 11554
  • 5500 Merrick RdMassapequa, NY 11758

Specialties

Find other Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in East Meadow

Clinicians with the same Medicare primary specialty in East Meadow, NY — not a recommendation.

All orthopedic surgeons in East Meadow →

Clinician information

CredentialDO
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144663667
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