Doctor profile · Federal record

Dr. Jay Mast, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Indianapolis, IN

  • NPI 1447516620
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 W 86Th St
Indianapolis, IN 462601902
(317) 338-2345
Mailing address
8840 Commerce Park Pl Ste E
Indianapolis, IN 462683129

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
June 1, 2015
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #01075088A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447516620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
155
Distinct HCPCS
2
Medicare allowed
$21,436
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 84 84 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 71 71 $158

In context: peer comparison

Among 195 peers in Indianapolis Internal Medicine Physician, average services per provider: 101. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jay Mast's medical specialty?
Dr. Jay Mast practices Internal Medicine Physician in Indianapolis, IN.
Where does Dr. Jay Mast practice?
Dr. Jay Mast practices at 2001 W 86Th St, Indianapolis, IN 462601902. Office phone: 3173382345.
What is Dr. Jay Mast's NPI?
Dr. Jay Mast's National Provider Identifier (NPI) is 1447516620, issued by NPPES.
Does Dr. Jay Mast accept Medicare assignment?
Yes. Dr. Jay Mast accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jay Mast commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.