Derek Christopher Harshaw, D.O
Internal Medicine · East Liverpool, OH
At a glance
425 W 5Th St, East Liverpool, OH 43920
NPPES record updated Oct 28, 2021. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
425 W 5Th StEast Liverpool, OH 43920
Additional reported practice locations
218 Three Springs DrWeirton, WV 260623815
Phone: 3047233627 330 N Market St Ste B
Lisbon, OH 444321146
Phone: 3308704601
Fax: 3308704189 123 W 6Th St
East Liverpool, OH 439202921
Phone: 3303857170
Fax: 3303856359 16761 Saint Clair Ave # 2
East Liverpool, OH 439209400
Phone: 3303859670
Fax: 3303859672
Education & affiliations
- Medical / professional school
- Lake Erie College Of Osteopathic Medicine, Erie
- Graduation year
- 2016
- CMS specialties
- Internal Medicine
Practice groups
Reported hospital affiliations
- East Liverpool City Hospital East Liverpool, OH
- Mh St Elizabeth Youngstown Hospital Youngstown, OH
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- May 9, 2016
- Record updated
- Oct 28, 2021
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- D.O
Reported taxonomies and licenses
207Q00000X
License reported: 3350 WV
207R00000X · Primary
License reported: 34.013770 OH
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
425 W 5Th StEast Liverpool, OH 43920
- Phone
- (330) 385-7200
Mailing address
PO BOX 645409PITTSBURGH, PA 152645252
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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