Quick answers
- Does Marnina Shelkin accept Medicare assignment?
- Yes. Medicare's clinician data says Marnina Shelkin 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 Marnina Shelkin see?
- In 2024, CMS data shows 263 Original Medicare patients and 267 services for Marnina Shelkin. This counts Original Medicare only and measures volume, not quality.
- What is Marnina Shelkin's NPI number?
- 1174801161. 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 Marnina Shelkin, 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 | 263 |
|---|---|
| Services billed to Medicare | 267 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)245 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)11 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%
- Arthritis63%
- Chronic kidney disease53%
- Diabetes50%
- Ischemic heart disease46%
Hospitals where Marnina Shelkin works
Medicare's Facility Affiliation Data lists Marnina Shelkin 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.
- Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390133
- Lehigh Valley Hospital - HazletonHazleton, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390185
- Lehigh Valley Hospital - MacungieMacungie, PA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 390430
- Schuylkill Medical Center - South Jackson StreetPottsville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390030
Practice locations
Addresses where Marnina Shelkin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1107 Grosser RdGilbertsville, PA 19525
- 1107 Grosser Rd 3rd Floor, Lvpg Rheumatology GilbertsvilleGilbertsville, PA 19525 (610) 776‑5038
- 1109 Grosser RdGilbertsville, PA 19525 (484) 498‑6060
- 1200 S Cedar Crest BlvdAllentown, PA 18103
- 1200 S Cedar Crest Blvd 3rd Fl Kasych, Lvpg Burn SurgeryAllentown, PA 18103 (610) 402‑8355
Group practices
Medicare enrollment lists Marnina Shelkin as a member of this group (CMS data updated October 2, 2026).
- Lehigh Valley Physician Group2,542 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Gilbertsville
Clinicians with the same Medicare primary specialty in Gilbertsville, PA — not a recommendation.
Other clinicians in Lehigh Valley Physician Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174801161 |
| 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