NPPES file of Aug 9, 2026

John Joseph Liantonio, MD

Hospice and Palliative Medicine (Family Medicine) Physician · Philadelphia, PA

John Joseph Liantonio, MD is a hospice and palliative medicine (family medicine) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1669783098, issued on Jun 30, 2010. Check the license (Pennsylvania MD450065, 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
1669783098
Name
John Joseph Liantonio
Credential
MD
Primary taxonomy
Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
License numbers
MD450065 PA
25MA12211400 NJ
Self-reported in NPPES; status is on the state search
Practice location
833 Chestnut St, Philadelphia, PA 19107
Phone
(215) 955-7190
Enumerated
Jun 30, 2010
Record last updated
Jul 22, 2025
Fax
(215) 546-8320
Medicare enrollment
Enrolled (PECOS I20241015000860); accepts Medicare assignment
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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8 nearest hospice and palliative medicine (family medicine) physician records → All 47 in Pennsylvania → Look up another NPI →

Also registered at 833 Chestnut St

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

  1. Zoe Agoos, M.D.Family Medicine Physician1659767044
  2. Marc Altshuler, M.D.Family Medicine Physician1013935220
  3. Archana Anantharaman, M.D.Student in an Organized Health Care Education/Training Program1255620837
  4. Kendall Annable, MSGenetic Counselor (M.S.)1477685097
  5. Sambina AnthonyStudent in an Organized Health Care Education/Training Program1033904784
  6. Christine Arenson, M.D.Family Medicine Physician1316970403

Verify John Joseph Liantonio 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 MD450065    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

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99% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024

13 Medicare Part D claims, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D.

  1. John Liantonio13
  2. Specialty average1,129

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 2 group practices

  1. Hackensack Meridian Health Medical Group - Specialty Care PCNeptune, NJ
  2. Jefferson University PhysiciansPhiladelphia, PA

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

John Joseph Liantonio among 47 hospice and palliative medicine (family medicine) physician records in Pennsylvania

John Joseph Liantonio, MD is one of 47 hospice and palliative medicine (family medicine) physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 43% of them.

  • NPI issued2010 · 43% of these records are older, 53% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2010 · median 2011 among the 23 with a school on file
  • Record last updated2025 · 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 207QH0002X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Family Medicine) Physician providers in Pennsylvania

There are 47 hospice and palliative medicine (family medicine) physician records in Pennsylvania.

All 47 in Pennsylvania → Every provider in Philadelphia → Hospice and Palliative Medicine (Family Medicine) Physician nationwide →

The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes

  1. Kathleen Mechler, MDPhiladelphia, PA 191071730425935
  2. Michael Scott, M.D.Philadelphia, PA 191111508277039
  3. Kenneth Vermette, M.D.Philadelphia, PA 191281992775977
  4. Lakisha CarterPhiladelphia, PA 191491063393593
  5. Samta Amin, MDWyndmoor, PA 190381235716929
  6. Maria Bertucci, M.D.Wyndmoor, PA 190381457568354
  7. Maurice Gross, M.D.Abington, PA 190011477551075
  8. Adam Tyson, MDPaoli, PA 193011437444973

Common questions

What is John Joseph Liantonio, MD's NPI number?

John Joseph Liantonio, MD's National Provider Identifier (NPI) is 1669783098, issued on Jun 30, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John Joseph Liantonio, MD located?

The NPPES record lists a practice address at 833 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 955-7190. Providers update this record themselves, so call before visiting.

How can I verify John Joseph Liantonio, MD's license?

NPPES lists Pennsylvania license number MD450065, 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 Joseph Liantonio, MD prescribe under Medicare Part D?

In 2024, John Joseph Liantonio, MD had 13 Medicare Part D claims; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.