NPPES file of Aug 9, 2026

Gretchen Leigh Nickell, DO

Internal Medicine Physician · East Liverpool, OH

Gretchen Leigh Nickell, DO is an internal medicine physician with a practice address in East Liverpool, Ohio, and NPI 1639130552, issued on Mar 30, 2006. Check the license (Ohio 34007999G, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639130552
Name
Gretchen Leigh Nickell
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
34007999G OH
Self-reported in NPPES; status is on the state search
Practice location
123 W 6TH St, East Liverpool, OH 43920
Phone
(330) 385-7170
Enumerated
Mar 30, 2006
Record last updated
Nov 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(330) 385-6359
Medicaid ID
2404204 OH
Medicare enrollment
Enrolled (PECOS I20230419002176); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 123 W 6TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Morgan Jones, CNPPrimary Care Nurse Practitioner1265954499
  2. Andrew KernInternal Medicine Physician1851957310
  3. Leo Meier, PA-CPhysician Assistant1669488623
  4. Pascal Phares, MDFamily Medicine Physician1306804240
  5. Pamela RastetterHospitalist Physician1861057614

Verify Gretchen Leigh Nickell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34007999G
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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10% more Medicare Part D claims than the average internal medicine physician in 2024

3,493 Medicare Part D claims for 185 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 37 claims were for opioids.

  1. Gretchen Nickell3,493
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium214 claims
  2. Furosemide156 claims
  3. Potassium Chloride144 claims
  4. Levothyroxine Sodium118 claims
  5. Lisinopril109 claims
  6. Duloxetine Hcl96 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. River Valley Physicians LLCChester, WV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gretchen Leigh Nickell among 5,277 internal medicine physician records in Ohio

Gretchen Leigh Nickell, DO is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2000 · median 2006 among the 3,414 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 internal medicine physician records list a practice address in East Liverpool

They are 24 of the 513 NPPES records with a practice address in East Liverpool, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kamlesh Aggarwal, MDE Liverpool, OH 439201861413627
  2. Clement Cahall, M.D.East Liverpool, OH 439201831172048
  3. Najeed Fazal, M.D.East Liverpool, OH 439201427069814
  4. Derek Harshaw, D.OEast Liverpool, OH 439201588010649
  5. Karl Hedderich, D.O.East Liverpool, OH 439201477964781
  6. Jean Holdren, DO PCEast Liverpool, OH 439201588675631
  7. Mumtaz Husain, MDEast Liverpool, OH 439201295751113
  8. Luke Joseph, D.O.East Liverpool, OH 439201760823587

Common questions

What is Gretchen Leigh Nickell, DO's NPI number?

Gretchen Leigh Nickell, DO's National Provider Identifier (NPI) is 1639130552, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Leigh Nickell, DO located?

The NPPES record lists a practice address at 123 W 6TH St, East Liverpool, OH, 43920. Phone: (330) 385-7170. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Leigh Nickell, DO's license?

NPPES lists Ohio license number 34007999G, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gretchen Leigh Nickell, DO prescribe under Medicare Part D?

In 2024, Gretchen Leigh Nickell, DO had 3,493 Medicare Part D claims for 185 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.