Quick answers
- Does Nathan Bahary accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan Bahary 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 Nathan Bahary see?
- In 2024, CMS data shows 92 Original Medicare patients and 264 services for Nathan Bahary. This counts Original Medicare only and measures volume, not quality.
- What is Nathan Bahary's NPI number?
- 1578535803. 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 Nathan Bahary, 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 patients | 92 |
|---|---|
| Services billed to Medicare | 264 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)119 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)36 services
- 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)30 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)17 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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 cholesterol74%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)54%
- Arthritis45%
- Anxiety38%
- Diabetes37%
Hospitals where Nathan Bahary works
Medicare's Facility Affiliation Data lists Nathan Bahary 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.
- Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390050
- Allegheny Valley HospitalNatrona, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390032
- Canonsburg General HospitalCanonsburg, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390160
- Forbes HospitalMonroeville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390267
- West Penn HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390090
Practice locations
Addresses where Nathan Bahary is enrolled with Medicare (CMS data updated October 2, 2026).
- 6321 Route 30, Suite 300Greensburg, PA 15601 (724) 671‑1800
Group practices
Medicare enrollment lists Nathan Bahary as a member of this group (CMS data updated October 2, 2026).
- Allegheny Clinic Medical Oncology97 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Greensburg
Clinicians with the same Medicare primary specialty in Greensburg, PA — not a recommendation.
Other clinicians in Allegheny Clinic Medical Oncology
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578535803 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians