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Orthopedic Surgery

Joshua R. Greenleaf, DO

Works at hospitals in Roaring Spring, PA · Lewistown, PA · Dubois, PA … · Pennsylvania

Summary

Dr. Joshua R. Greenleaf, DO is an orthopedic surgeon at 2 Celeste Dr, Johnstown, PA 15905. Phone: (814) 255-6781. Accepts Medicare assignment. In 2024, Joshua R. Greenleaf had 447 Original Medicare patients and 6,760 services. NPI 1982087037. 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 Joshua R. Greenleaf, 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 Joshua R. Greenleaf accept Medicare assignment?
Yes. Medicare's clinician data says Joshua R. Greenleaf 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 Joshua R. Greenleaf see?
In 2024, CMS data shows 447 Original Medicare patients and 6,760 services for Joshua R. Greenleaf. This counts Original Medicare only and measures volume, not quality.
What is Joshua R. Greenleaf's NPI number?
1982087037. 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 Joshua R. Greenleaf, 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 patients447
Services billed to Medicare6,760
Different services or procedures74
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (J7329)4,425 services
  2. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)843 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)319 services
  4. Aspiration and/or injection of fluid from large joint (20610)231 services
  5. X-ray of hip, 2-3 views (73502)208 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%
  • Arthritis75%
  • Diabetes28%
  • Ischemic heart disease28%
  • Chronic kidney disease28%

Hospitals where Joshua R. Greenleaf works

Medicare's Facility Affiliation Data lists Joshua R. Greenleaf 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.

  • Conemaugh Nason Medical CenterRoaring Spring, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390062
  • Geisinger-Lewistown HospitalLewistown, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390048
  • Penn Highlands DuboisDubois, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390086
  • Penn Highlands ElkSaint Marys, PA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 391315
  • UPMC AltoonaAltoona, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390073

Practice locations

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

Group practices

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

  • Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
  • Keystone Rehabilitation Systems Inc776 clinicians in the group
  • DLP Conemaugh Physician Practices LLC293 clinicians in the group
  • Vantage Physical Therapy and Rehabilitation Inc260 clinicians in the group
  • University Orthopedics Center, Ltd60 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Pennsylvania →

Other orthopedic surgeons in Johnstown

Clinicians with the same Medicare primary specialty in Johnstown, PA — not a recommendation.

All orthopedic surgeons in Johnstown →

Other clinicians in Phoenix Rehabilitation and Health Services Inc

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982087037
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