Physician Profile
Unclaimed ProfileAbout MAST
Based in Indianapolis, IN, Jay Edward Mast, MD is listed in the NPI registry under internal medicine. Jay graduated from Indiana University School of Medicine in 2012. Jay is also listed as specialising in student in an organized health care education program.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Mast's specialty?
Dr. Mast is an internal medicine in Indianapolis, IN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Mast?
Dr. Mast is listed at 2001 W 86TH ST, Indianapolis, IN 46260. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mast?
The number on file is (317) 338-2345. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mast's NPI number?
Dr. Mast's National Provider Identifier is 1447516620. 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 Dr. Mast's medical education?
Dr. Mast attended Indiana University School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mast been practising?
Dr. Mast has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mast known for?
According to Medicare billing data, Dr. 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
Has Dr. Mast confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mast. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (317) 338-2345
- Email not available
Practice Locations
2001 W 86TH ST
Indianapolis, IN 46260
Procedures Most Often Billed to Medicare
179 services · 177 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
115 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
49 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other internal medicines in Indianapolis 8
Same specialty, same city.
Trained at Indiana University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Indiana University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.