John McgrathD.O.
Otolaryngology·Philadelphia, PA
John Mcgrath, D.O. is an Otolaryngology provider in Philadelphia, PA, as of July 2026.
- NPI1659328086
- Registered2006
- Class of1990
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
John Mcgrath at a glance
- Provider
- John Mcgrath
- Credential
- D.O.
- Specialty
- Otolaryngology
- Procedures
- Otolaryngology CPT codes
- Location
- Philadelphia, PA
- Medical school
- Philadelphia College of Osteopathic Medicine
- Graduated
- 1990
- NPI registered
- 2006
- NPI
- 1659328086
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does John Mcgrath practice?
John Mcgrath, D.O. is based in Philadelphia, PA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Mcgrath's NPI number?
John Mcgrath's National Provider Identifier (NPI) is 1659328086, registered in 2006. Specialty on record: Otolaryngology; credential D.O.
Where did John Mcgrath go to medical school?
John Mcgrath, D.O. attended Philadelphia College of Osteopathic Medicine, graduating in 1990.
How many Otolaryngology providers in Pennsylvania work at ambulatory surgery centers?
52 Otolaryngology surgeons and proceduralists in Pennsylvania are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Mcgrath among them. The Pennsylvania Otolaryngology directory lists each one by city with credential, NPI, and center affiliations.
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