DR. GRETCHEN LEIGH NICKELL (DO) – Internal Medicine Physician, NPI 1639130552
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,199 INTERNAL MEDICINE in OH
Provider Addresses for DR. GRETCHEN LEIGH NICKELL (DO)
15655 State Route 170 Ste H
East Liverpool, OH 439209672
Phone: (330) 932-0183
Fax: (330) 932-0240
Type: Location
330 N Market St Ste B
Lisbon, OH 444321146
Phone: (330) 870-4595
Fax: (330) 870-4189
Type: Location
425 W 5th St
East Liverpool, OH 439202405
Phone: (330) 386-2926
Fax: (330) 386-2928
Type: Location
2229 East Market St
Warren, OH 44483
Phone: (330) 372-0260
Fax: (330) 372-0261
Type: Location
PO BOX 645409
PITTSBURGH, PA 152645252
Phone: (330) 386-6442
Fax: (330) 386-3660
Type: Mailing
123 W 6TH ST
EAST LIVERPOOL, OH 439202921
Phone: (330) 385-7170
Fax: (330) 385-6359
Type: Location
2229, East Market Street, Iddings Park, Belvedere Park, Warren, Trumbull County, Ohio, 44483, United States
WARREN, OH 44483
Phone: (330) 372-0260
Fax: (330) 372-0261
Type: Mailing
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: 2023-04-19
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 |
|---|---|---|---|---|
| I20100727000198 | I | Internal Medicine | OH | TBD |
| I20230419002176 | I | Internal Medicine | WV | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 157 | 79 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 82 | 76 | $0 |
| 99310 | Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 79 | 28 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 72 | 68 | $0 |
Insurance plans in this area (ZIP 43920)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OH | |
| - | OH | |
| Internal Medicine | OH | |
| Emergency Medicine, Internal Medicine | OH | |
| Internal Medicine | MI | |
| Emergency Medicine | AR | |
| Emergency Medicine | WI | |
| Emergency Medicine | OH | |
| Internal Medicine | OH | |
| Nurse Practitioner | OH |
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