Nichole B. Harrison, M.D.
Internal Medicine Physician · Warren, PA
Nichole B. 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 B. 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
- Record last updated
- Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
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, CRNPNurse Practitioner1407812167
- Christopher John, PA-CPhysician Assistant1902996903
- Van Johnson, MDOrthopaedic Surgery Physician1780647958
- Charles Keller, O.D.Optometrist1245212885
- Gary McAfoos, MDSurgery Physician1609870641
Verify Nichole B. 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
70% 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 3,176 among the 108,855 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.
Nichole B. Harrison among 7,300 internal medicine physician records in Pennsylvania
Nichole B. Harrison, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2012 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Warren
They are 6 of the 314 NPPES records with a practice address in Warren, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Warren → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Bialas, M.D.Warren, PA 163651326077702
- Lee Denlinger, MDWarren, PA 163651811990229
- Robert Gabreski, MDWarren, PA 163651376521450
- Timothy Stanton, MDWarren, PA 163651811969173
- Alex Strassburg, MDWarren, PA 163651619168689
- Scott McAllister, MDTitusville, PA 163541598757338
- Cristian Popescu, MDTitusville, PA 163541386646834
- James Wilkens, M.D.Titusville, PA 163541104821396
Common questions
What is Nichole B. Harrison, M.D.'s NPI number?
Nichole B. 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 B. 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 B. 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 B. Harrison, M.D. prescribe under Medicare Part D?
In 2024, Nichole B. Harrison, M.D. had 941 Medicare Part D claims for 28 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.