NPPES file of Aug 9, 2026

John O. Chan, MD

Neonatal-Perinatal Medicine Physician · Johnstown, PA

John O. Chan, MD is a neonatal-perinatal medicine physician with a practice address in Johnstown, Pennsylvania, and NPI 1407850993, issued on Jun 13, 2005. Check the license (Pennsylvania MD045331E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1407850993
Name
John O. Chan
Credential
MD
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
MD045331E PA
Self-reported in NPPES; status is on the state search
Practice location
1086 Franklin St, Johnstown, PA 15905
Phone
(814) 534-9794
Enumerated
Jun 13, 2005
Record last updated
Oct 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(814) 534-3479
Medicaid ID
001590313 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest neonatal-perinatal medicine physician records → All 393 in Pennsylvania → Look up another NPI →

Also registered at 1086 Franklin St

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

  1. Gebran Abboud, M.D.Gastroenterology Physician1518160373
  2. Muhammad Abdullah, MDInternal Medicine Physician1073341509
  3. Joanathan Abrahams, MDDiagnostic Radiology Physician1629129374
  4. Zakaria Abu Elkishik, MDInternal Medicine Physician1245121193
  5. Suzanne Abuhadba, DOEmergency Medicine Physician1437834579
  6. Nuzhat Ahmad, MDFamily Medicine Physician1154007342

Verify John O. Chan 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 MD045331E    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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John O. Chan among 393 neonatal-perinatal medicine physician records in Pennsylvania

John O. Chan, MD is one of 393 neonatal-perinatal medicine physician records with a practice address in Pennsylvania. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2014 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Pennsylvania

There are 393 neonatal-perinatal medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 393 in Pennsylvania → Every provider in Johnstown → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Anuj MalikJohnstown, PA 159051427332980
  2. Nkechi Okotcha, MDJohnstown, PA 159051215423850
  3. Mohamed Hassan, MDDu Bois, PA 158011629187844
  4. W. Siar, MDDu Bois, PA 158011639174055
  5. Chinwe Offor, MDSeneca, PA 163461508811019
  6. Leah KingErie, PA 165071497510796
  7. Avinash Purohit, MDErie, PA 165441801860077
  8. Susheel Narain Thekkiam Muralidharan, M.DErie, PA 165441427302926

Common questions

What is John O. Chan, MD's NPI number?

John O. Chan, MD's National Provider Identifier (NPI) is 1407850993, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John O. Chan, MD located?

The NPPES record lists a practice address at 1086 Franklin St, Johnstown, PA, 15905. Phone: (814) 534-9794. Providers update this record themselves, so call before visiting.

How can I verify John O. Chan, MD's license?

NPPES lists Pennsylvania license number MD045331E, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.