Quick answers
- Does Janeen J. Masternick-Black accept Medicare assignment?
- Yes. Medicare's clinician data says Janeen J. Masternick-Black 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 Janeen J. Masternick-Black see?
- In 2024, CMS data shows 168 Original Medicare patients and 538 services for Janeen J. Masternick-Black. This counts Original Medicare only and measures volume, not quality.
- What is Janeen J. Masternick-Black's NPI number?
- 1295019560. 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 Janeen J. Masternick-Black, 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 | 168 |
|---|---|
| Services billed to Medicare | 538 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)86 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)79 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)42 services
- Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)31 services
- Injection of lower or sacral spine facet joint using imaging guidance, single level (64493)22 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%
- Diabetes38%
- Anxiety30%
- Depression27%
Hospitals where Janeen J. Masternick-Black works
Medicare's Facility Affiliation Data lists Janeen J. Masternick-Black 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.
- HMHP St Elizabeth Boardman Health CenterBoardman, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360276
- MH St Elizabeth Youngstown HospitalYoungstown, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360064
- MH St Joseph Warren HospitalWarren, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360161
Practice locations
Addresses where Janeen J. Masternick-Black is enrolled with Medicare (CMS data updated October 2, 2026).
- 1932 Niles Cortland Rd NE, Suite AWarren, OH 44484 (330) 856‑5614
- 656 Youngstown Warren RdNiles, OH 44446 (330) 505‑1362
Group practices
Medicare enrollment lists Janeen J. Masternick-Black as a member of these groups (CMS data updated October 2, 2026).
- Mercy Health Physicians Youngstown Specialty Care LLC472 clinicians in the group
- Novacare Rehabilitation of Ohio Inc80 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Ohio →
Other rehabilitation doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Mercy Health Physicians Youngstown Specialty Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | Ohio University, College Of Osteopathic Medicine |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295019560 |
| 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