NPPES file of Aug 9, 2026

John Rizzari Gandionco, MD

Internal Medicine Physician · Dover, PA

John Rizzari 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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770515405
Name
John Rizzari 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
Record last updated
Feb 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(717) 851-6410
Medicaid ID
101246966 PA
Medicare enrollment
Enrolled (PECOS I20050607000016); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1992
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4020 Carlisle RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Due, MDInternal Medicine Physician1558464644
  2. Rajesh Nallapati, MDInternal Medicine Physician1104855758
  3. Donna Vesnaver, BS,RPSGT,RST,RRT-SDSOther Technician1013344522

Verify John Rizzari Gandionco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD425873
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.4 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 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 435 claims were for opioids.

  1. John Gandionco10,837
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium677 claims
  2. Amlodipine Besylate407 claims
  3. Metformin Hcl362 claims
  4. Levothyroxine Sodium319 claims
  5. Lisinopril305 claims
  6. 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.

Bills Medicare through one group practice

  1. Wellspan Medical GroupYork, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Rizzari Gandionco among 7,300 internal medicine physician records in Pennsylvania

John Rizzari Gandionco, 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
  • Graduated1992 · median 2008 among the 4,208 with a school on file
  • Record last updated2019 · 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).

3 internal medicine physician records list a practice address in Dover

They are 3 of the 117 NPPES records with a practice address in Dover, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Christopher Due, MDDover, PA 173151558464644
  2. Patricia Margetas, D.O.York, PA 173151346475340
  3. Rajesh Nallapati, MDDover, PA 173151104855758
  4. Dale Kresge, M.D.Dallastown, PA 173131083685176
  5. Dipak Patel, MDDallastown, PA 173131053322412
  6. Shubha Acharya, MDGettysburg, PA 173251407847809
  7. Marijka Grey, MDGettysburg, PA 173251083666309
  8. Susan Holland, M.D.Gettysburg, PA 173251932195948

Common questions

What is John Rizzari Gandionco, MD's NPI number?

John Rizzari 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 Rizzari 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 Rizzari 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 Rizzari Gandionco, MD prescribe under Medicare Part D?

In 2024, John Rizzari Gandionco, MD had 10,837 Medicare Part D claims for 731 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.