Nichole Harrison, M.D.
Internal Medicine Physician · Warren, PA
Nichole Harrison, M.D. is an internal medicine physician with a practice address in Warren, Pennsylvania, and NPI 1609888643, issued on Aug 11, 2006. Check the license (Pennsylvania MD434692, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Nichole Harrison
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD434692 PA
237551-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 103 W Saint Clair St, Warren, PA 16365
- Phone
- (814) 726-0273
- Enumerated
- Aug 11, 2006
- Entity
- Type 1 · individual
Also registered at 103 W Saint Clair St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lonnie Heeter, CRNPFamily Nurse Practitioner1407812167
- Christopher John, PA-CPhysician Assistant1902996903
- Van Johnson, MDOrthopaedic Surgery Physician1780647958
- Charles Keller, O.D.Optometrist1245212885
- Gary McAfoos, MDSurgery Physician1609870641
Verify Nichole Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD434692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
66% fewer Medicare Part D claims than the average internal medicine physician in 2024
941 Medicare Part D claims for 28 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Lorazepam100 claims
- Clonazepam97 claims
- Olanzapine91 claims
- Haloperidol87 claims
- Olanzapine Odt70 claims
- Quetiapine Fumarate50 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.
5 internal medicine physician records list a Warren practice address
They are 5 of the 314 NPPES records with a Warren practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 5 in Warren → All 8,636 in Pennsylvania → Every provider in Warren →
Other internal medicine physician records in Pennsylvania
- Erin Aakhus, M.D.Philadelphia, PA1255652087
- Muhammad Aamir, MDAllentown, PA1477039147
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Cybele Abad, M.D.Pittsburgh, PA1619900453
- Mario Abad, MDDuncannon, PA1710022975
- Joseph Abalos, M.D.Seneca, PA1215128434
- Ali Abbas, MDYork, PA1023343779
- Huda Abbas, MDDoylestown, PA1316187024
Common questions
What is Nichole Harrison, M.D.'s NPI number?
Nichole Harrison, M.D.'s National Provider Identifier (NPI) is 1609888643, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nichole Harrison, M.D. located?
The NPPES record lists a practice address at 103 W Saint Clair St, Warren, PA, 16365. Phone: (814) 726-0273. Providers update this record themselves, so call before visiting.
How can I verify Nichole Harrison, M.D.'s license?
NPPES lists Pennsylvania license number MD434692, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nichole Harrison, M.D. prescribe under Medicare Part D?
In 2024, Nichole Harrison, M.D. had 941 Medicare Part D claims for 28 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.