Charles J. Duffy, MD, PHD
Neurology Physician · Hershey, PA
Charles J. Duffy, MD, PHD is a neurology physician with a practice address in Hershey, Pennsylvania, and NPI 1376578179, issued on Jul 11, 2006. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Charles J. Duffy
- Credential
- MD, PHD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 194405 NY
Self-reported in NPPES; status is on the state search - Practice location
- 30 Hope Drive, Hershey, PA 17033
- Phone
- (717) 531-3828
- Enumerated
- Jul 11, 2006
- Record last updated
- Sep 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (717) 531-0465
- Medicaid ID
- 01658593 NY
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,077 in Pennsylvania → Look up another NPI →
Also registered at 30 Hope Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joshua Galinato, CRNPAdult Health Nurse Practitioner1215392436
- Diana Hillam, ARNPNurse Practitioner1578037727
- Robert Kelly, PT, ATCPhysical Therapist1801191952
Verify Charles J. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average neurology physician in 2024
1,069 Medicare Part D claims for 278 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Memantine Hcl469 claims
- Donepezil Hcl213 claims
- Risperidone104 claims
- Rexulti42 claims
- Quetiapine Fumarate40 claims
- Duloxetine Hcl34 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $490.59
7 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Charles J. Duffy among 1,077 neurology physician records in Pennsylvania
Charles J. Duffy, MD, PHD is one of 1,077 neurology physician records with a practice address in Pennsylvania. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 neurology physician records list a practice address in Hershey
They are 50 of the 3,972 NPPES records with a practice address in Hershey, and 1,077 neurology physician records in Pennsylvania.
All 1,077 in Pennsylvania → Every provider in Hershey → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Sankar Bandyopadhyay, MDHershey, PA 170331821088329
- Debra Byler, MDHershey, PA 170331174525810
- Claire Flaherty, PHDHershey, PA 170331114985918
- David Good, MDHershey, PA 170331982662797
- Denny John, MDHershey, PA 170331568422848
- Gerald Podskalny, DOHershey, PA 170331770541575
- Raymond Reichwein, MDHershey, PA 170331841248960
- Stephen Ross, MDHershey, PA 170331215985338
Common questions
What is Charles J. Duffy, MD, PHD's NPI number?
Charles J. Duffy, MD, PHD's National Provider Identifier (NPI) is 1376578179, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles J. Duffy, MD, PHD located?
The NPPES record lists a practice address at 30 Hope Drive, Hershey, PA, 17033. Phone: (717) 531-3828. Providers update this record themselves, so call before visiting.
How can I verify Charles J. Duffy, MD, PHD's license?
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 Charles J. Duffy, MD, PHD prescribe under Medicare Part D?
In 2024, Charles J. Duffy, MD, PHD had 1,069 Medicare Part D claims for 278 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Charles J. Duffy, MD, PHD's MIPS final score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.