Are you John J. Mast, M.D.? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

John J. Mast, M.D.

Is this you? Edit this profile

At a glance

About Dr. Mast

John J. Mast, M.D. practices geriatric medicine in Elizabethtown, PA. John is a 1996 graduate of Indiana University School of Medicine. John is also listed as specializing in family medicine. Medicare claims data shows John provided 853 services to 452 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif, and subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1154392371.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Geriatric Medicine (Primary)

Credentials & Licensing

PA licenceAs reported to the NPI registry
No. MD066311LAs reported
NPINational Provider Identifier
1154392371Issued 2006

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is John J. Mast's specialty?

John J. Mast is a geriatrician in Elizabethtown, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Geriatric Medicine”.

NPI registry

Where can I find John J. Mast?

John J. Mast is listed at 418 Cloverleaf Rd, Elizabethtown, PA 17022. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact John J. Mast?

The number on file is (717) 653-1467. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for John J. Mast?

John J. Mast's National Provider Identifier is 1154392371. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

What is John J. Mast's education?

John J. Mast attended Indiana University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.

CMS public data

How much experience does John J. Mast have?

John J. Mast has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.

CMS public data

What is John J. Mast known for?

According to Medicare billing data, John J. Mast the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is John J. Mast's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by John J. Mast. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.