Gretchen Nickell, DO
NPI 1639130552 · Internal Medicine Physician · East Liverpool, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Nickell, DO is a Internal Medicine Physician provider in East Liverpool, OH (NPI 1639130552).
Provider details
- NPI number
- 1639130552
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 34007999G (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
397 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 176 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 104 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 101 | $164 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 16 | $75 |
Typical Medicare-allowed amounts for these services range $75–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 214 | 49 |
| Furosemide | 156 | 40 |
| Potassium Chloride | 144 | 36 |
| Levothyroxine Sodium | 118 | 26 |
| Lisinopril | 109 | 23 |
| Duloxetine Hcl | 96 | 12 |
| Gabapentin | 90 | 17 |
Practice location
Mailing address
Additional practice locations (4)
- 425 W 5th StEast Liverpool, OH 43920-2405Phone: (330) 386-2926Fax: (330) 386-2928
- 15655 State Route 170 Ste HEast Liverpool, OH 43920-9672Phone: (330) 932-0183Fax: (330) 932-0240
- 330 N Market St Ste BLisbon, OH 44432-1146Phone: (330) 870-4595Fax: (330) 870-4189
- 2229 East Market StWarren, OH 44483Phone: (330) 372-0260Fax: (330) 372-0261
Registry dates
- Enumerated
- 2006-03-30
- Last updated
- 2021-11-16
- Certified
- 2021-11-16
Frequently asked questions
- What is Gretchen Nickell's NPI number?
- Gretchen Nickell's National Provider Identifier (NPI) is 1639130552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Nickell's specialty?
- Gretchen Nickell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gretchen Nickell located?
- Gretchen Nickell's practice location on file with NPPES is 123 W 6th St, East Liverpool, OH 43920-2921.
- What is Gretchen Nickell's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Nickell is (330) 385-7170.
- Does Gretchen Nickell accept Medicare?
- Gretchen Nickell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Nickell's NPI active?
- Yes — Gretchen Nickell's NPI (1639130552) is active in the NPPES registry as of the last update on 2021-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.