Dr. Derek Christopher Harshaw, DO
- Medicare services, 2024
- 663
- Medicare patients, 2024
- 238
- Part D claims, 2024
- 3,636
- Hospital affiliations
- 2
- Industry payments
- $341
- Practice address
- 425 West 5th Street, East Liverpool, OH 43920
- Practice phone
- Call (330) 385-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harshaw's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Derek Christopher Harshaw is an internist in East Liverpool, Ohio
Dr. Harshaw practices at East Liverpool City Hospital in East Liverpool, Ohio, part of Prime Healthcare Services.
Dr. Harshaw's NPI, 1588010649, was assigned on May 9, 2016. Dr. Harshaw graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016. Dr. Harshaw holds Ohio license 34.013770.
- NPI
- 1588010649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739432725
- NPI enumeration date
- May 9, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 385-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek Christopher Harshaw practices at East Liverpool City Hospital in East Liverpool, Ohio
Dr. Harshaw's primary practice is East Liverpool City Hospital, at 425 West 5th Street, East Liverpool, OH 43920 in Columbiana County. The practice phone is (330) 385-7200.
- East Liverpool City Hospital425 West 5th Street, East Liverpool, OH 43920 · Columbiana CountyPhone(330) 385-7200
Source: Dmand AI Affiliation Data
Dr. Derek Christopher Harshaw is affiliated with 6 sites of care and 4 medical groups
Dr. Harshaw's primary practice is East Liverpool City Hospital in East Liverpool, Ohio, part of Prime Healthcare Services. Dr. Harshaw is also affiliated with Mercy Health - St. Elizabeth Youngstown Hospital. The medical group on file is River Valley Physicians. Dmand AI also links Dr. Harshaw to 3 more medical groups, 2 home health agencies, 1 hospice and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Derek Christopher Harshaw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harshaw practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Liverpool City Hospital | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derek Christopher Harshaw is one of 4,708 internists in Ohio
Internal medicine is Dr. Harshaw's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Harshaw's licenses on file in 2 states: Ohio and West Virginia.
Specialties and state licenses
- Internal medicine, OhioPrimary
- Family medicine, West Virginia
Internists near Dr. Harshaw
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Derek Christopher Harshaw billed Medicare for 663 services in 2024
CMS data shows 663 Medicare services from Dr. Harshaw across 7 procedure codes in 2024, for 238 Medicare patients. Medicare paid $60,922 for them.
Dr. Harshaw's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6592024: 6631%
- Tests and treatments
- 2023: 152024: 0100%
Where Dr. Harshaw's Medicare services took place, 2024
- In an office7611%
- In a facility58789%
Dr. Harshaw compared with the Ohio median for internists, 2024
- Dr. Harshaw
- Ohio median
- Medicare services
- 663vs 48736% above
- Medicare patients
- 238vs 19224% above
- Part D claims
- 3,189vs 29410.8 times
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Harshaw's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harshaw and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek Christopher Harshaw treated 238 Medicare patients in 2024, average age 78
CMS counts 238 Medicare patients who saw Dr. Harshaw in 2024. The largest group is 75 to 84, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Harshaw's median patient age at 71, with 62% women.
Dr. Harshaw's Medicare patients by age, 2024
Dr. Harshaw's Medicare patients by sex, 2024
- Women14360%
- Men9540%
Chronic conditions among Dr. Harshaw's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders57%
- Anxiety55%
- Depression54%
- Chronic kidney disease46%
- Diabetes44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harshaw's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek Christopher Harshaw wrote 3,636 Medicare Part D claims in 2024
In 2024, Dr. Harshaw wrote 3,636 Medicare Part D claims for 260 patients. 82% of them were for generic drugs. CMS names the drug for 3,189 of them, across 97 drugs with 11 or more claims each, at $214,806 in total drug cost. In 2023, CMS named 2,210 claims across 68 drugs.
Dr. Harshaw's Part D claims by kind of drug, 2024
- Generic2,995 claims82%
- Brand-name and other641 claims18%
Dr. Harshaw's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Harshaw's Part D claims, 2024
- Opioids3%94 of 3,636 claims
- Antibiotics5%191 of 3,636 claims
- Antipsychotics, patients 65 and over1%25 of 3,636 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2102024: 3,18944%
Drugs named by CMS: 97 in 2024, 68 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Derek Christopher Harshaw takes part in Medicare
Dr. Harshaw accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Derek Christopher Harshaw received $341 in industry payments from 2018 to 2023
CMS Open Payments shows 10 general payments to Dr. Harshaw from 8 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $117.
General payments to Dr. Harshaw by program year, 2018 to 2023
Companies that paid Dr. Harshaw the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek Christopher Harshaw graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Harshaw graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek Christopher Harshaw's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Derek Christopher Harshaw
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Derek Christopher Harshaw's NPI number?
Dr. Derek Christopher Harshaw's NPI number is 1588010649. It was assigned on May 9, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek Christopher Harshaw?
Dr. Derek Christopher Harshaw is an internist in East Liverpool, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Derek Christopher Harshaw practice?
Dr. Harshaw practices at 425 West 5th Street, East Liverpool, OH 43920. Dr. Harshaw's primary practice is East Liverpool City Hospital in East Liverpool, Ohio, part of Prime Healthcare Services. Dmand AI also links Dr. Harshaw to 3 medical groups, 2 home health agencies, 1 hospice and 1 skilled nursing facility.
What is Dr. Derek Christopher Harshaw's office phone number?
The practice phone on file for Dr. Harshaw is (330) 385-7200.
What is Dr. Derek Christopher Harshaw's medical license number?
Dr. Harshaw holds Ohio license 34.013770, one of the licenses on file in 2 states.
Which states has Dr. Derek Christopher Harshaw been licensed in?
Dmand AI has state licenses on file for Dr. Harshaw in Ohio and West Virginia.
Which hospitals is Dr. Derek Christopher Harshaw affiliated with?
Dr. Harshaw practices at East Liverpool City Hospital in East Liverpool, Ohio. Dr. Harshaw is also affiliated with Mercy Health - St. Elizabeth Youngstown Hospital.
What medical group is Dr. Derek Christopher Harshaw part of?
Dr. Harshaw is linked to River Valley Physicians. Dmand AI links Dr. Harshaw to 3 more medical groups.
Does Dr. Derek Christopher Harshaw accept Medicare?
Yes. CMS data shows Dr. Harshaw billed Medicare for 663 services in 2024, and Dr. Harshaw accepts Medicare assignment.
How many Medicare patients does Dr. Derek Christopher Harshaw see?
CMS counts 238 Medicare patients who saw Dr. Harshaw in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Derek Christopher Harshaw bill to Medicare?
In 2024, Dr. Harshaw's most billed Medicare services were nursing facility care (99310), hospital inpatient care (99233) and hospital inpatient care (99232).
Where did Dr. Derek Christopher Harshaw go to medical school?
Dr. Harshaw graduated from Lake Erie College of Osteopathic Medicine, Erie in 2016.
What drugs does Dr. Derek Christopher Harshaw prescribe most?
In 2024 Medicare Part D data, Dr. Harshaw's most prescribed drugs by claims were Furosemide, Levothyroxine Sodium and Pantoprazole Sodium.
Has Dr. Derek Christopher Harshaw received payments from drug or device companies?
CMS Open Payments shows $341 in general payments to Dr. Harshaw from 8 companies from 2018 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Derek Christopher Harshaw been practicing?
Dr. Harshaw graduated from medical school in 2016, 10 years ago.
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