DR. MARK A SHELLY (M.D.) – Infectious Disease Physician, NPI 1023027927
Infectious Disease Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
568 INFECTIOUS DISEASE in PA
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Provider Addresses for DR. MARK A SHELLY (M.D.)
Geisinger Medical Center Danville, 100, North Academy Avenue, Danville, Montour County, Pennsylvania, 17822, United States
DANVILLE, PA 17822
Phone: (570) 271-6408
Fax: (570) 271-5845
Type: Location
1000 South Ave # 45
Rochester, NY 146202733
Phone: (585) 341-6821
Fax: (585) 341-8305
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-06-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110506000191 | I | Infectious Disease | NY | TBD |
| I20180619001365 | I | Infectious Disease | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 61 | 38 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 17822)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NC | |
| - | PA | |
| P S Y C H I A T R Y | NY | |
| Internal Medicine, Hospice/Palliative Care | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| Physician Assistant | PA | |
| - | PA | |
| - | PA | |
| Physician Assistant | PA |
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