John Robert Guzek, MD
Internal Medicine Physician · Scranton, PA
John Robert Guzek, MD is an internal medicine physician with a practice address in Scranton, Pennsylvania, and NPI 1861460545, issued on Mar 9, 2006. Check the license (Pennsylvania MD022387E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John Robert Guzek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD022387E PA
Self-reported in NPPES; status is on the state search - Practice location
- 700 Quincy Ave, Scranton, PA 18510
- Phone
- (866) 519-0457
- Enumerated
- Mar 9, 2006
- Record last updated
- Jan 8, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (570) 770-5263
- Medicaid ID
- 1013404940005 PA
- Medicare enrollment
- Enrolled (PECOS I20080519000210); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 700 Quincy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie BartlettPhysician Assistant1538830872
- Renee Beecham, RPHPharmacist1629168950
- Susan Bistarkey, CRNACertified Registered Nurse Anesthetist1215977228
- Michelle BoyleCertified Registered Nurse Anesthetist1831169440
- Elizabeth Buchanan, PA-CMedical Physician Assistant1942970140
- Michele Catalano-Musheno, RPHPharmacotherapy Pharmacist1689782419
Verify John Robert Guzek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD022387ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average internal medicine physician in 2024
3,540 Medicare Part D claims for 434 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 55 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium206 claims
- Atorvastatin Calcium116 claims
- Omeprazole110 claims
- Ozempic107 claims
- Mounjaro95 claims
- Metoprolol Succinate94 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.
Industry payments in 2024: $2,612.27
154 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Geisinger ClinicCarbondale, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Robert Guzek among 7,300 internal medicine physician records in Pennsylvania
John Robert Guzek, MD 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 fileYes · 58% of these records are
- Graduated1978 · median 2008 among the 4,208 with a school on file
- Record last updated2014 · 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).
129 internal medicine physician records list a practice address in Scranton
They are 129 of the 2,695 NPPES records with a practice address in Scranton, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Scranton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Alocci, MDDunmore, PA 185101487634531
- John Diakiw, MDScranton, PA 185101245208081
- Leon Goliger, M.D.Scranton, PA 185101912005802
- Philip Huffman, M.D.Scranton, PA 185101568434041
- Yitzchok Kurtzer, MDScranton, PA 185101154321891
- Julie Marvania, MDScranton, PA 185101437244100
- Mary Ann McDonald, M.D.Dunmore, PA 185101730143603
- John McGeehan, M.D.Scranton, PA 185101366426181
Common questions
What is John Robert Guzek, MD's NPI number?
John Robert Guzek, MD's National Provider Identifier (NPI) is 1861460545, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Robert Guzek, MD located?
The NPPES record lists a practice address at 700 Quincy Ave, Scranton, PA, 18510. Phone: (866) 519-0457. Providers update this record themselves, so call before visiting.
How can I verify John Robert Guzek, MD's license?
NPPES lists Pennsylvania license number MD022387E, 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 John Robert Guzek, MD prescribe under Medicare Part D?
In 2024, John Robert Guzek, MD had 3,540 Medicare Part D claims for 434 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.