John Gandionco, MD
Internal Medicine Physician · Dover, PA
John Gandionco, MD is an internal medicine physician with a practice address in Dover, Pennsylvania, and NPI 1770515405, issued on Jul 6, 2006. Check the license (Pennsylvania MD425873, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John Gandionco
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD425873 PA
199304 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4020 Carlisle RD, Dover, PA 17315
- Phone
- (717) 851-6400
- Enumerated
- Jul 6, 2006
- Entity
- Type 1 · individual
Also registered at 4020 Carlisle RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Donna Vesnaver, BS,RPSGT,RST,RRT-SDSOther Technician1013344522
Verify John Gandionco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD425873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.9 times the Medicare Part D claims of the average internal medicine physician in 2024
10,837 Medicare Part D claims for 731 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 435 claims were for opioids.
Most prescribed
- Atorvastatin Calcium677 claims
- Amlodipine Besylate407 claims
- Metformin Hcl362 claims
- Levothyroxine Sodium319 claims
- Lisinopril305 claims
- Gabapentin268 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.
One hospital or facility affiliation
- Wellspan Medical GroupYork, PA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 internal medicine physician records list a Dover practice address
They are 3 of the 117 NPPES records with a Dover practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 3 in Dover → All 8,636 in Pennsylvania → Every provider in Dover →
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 John Gandionco, MD's NPI number?
John Gandionco, MD's National Provider Identifier (NPI) is 1770515405, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Gandionco, MD located?
The NPPES record lists a practice address at 4020 Carlisle RD, Dover, PA, 17315. Phone: (717) 851-6400. Providers update this record themselves, so call before visiting.
How can I verify John Gandionco, MD's license?
NPPES lists Pennsylvania license number MD425873, 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 Gandionco, MD prescribe under Medicare Part D?
In 2024, John Gandionco, MD had 10,837 Medicare Part D claims for 731 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.