Doctor profile · Federal record

Dr. John Mast, M.D.

Family Medicine Physician (CMS: Geriatric Medicine) · Elizabethtown, PA

  • NPI 1154392371
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
418 Cloverleaf RD
Elizabethtown, PA 170229320
(717) 653-1467
fax (717) 653-1001

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
October 25, 2007
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #MD066311L
Medicaid
PA #0017331020001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154392371. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
783
Distinct HCPCS
6
Medicare allowed
$80,624
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 383 119 $102
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 114 66 $71
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 93 82 $175
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 92 64 $147
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 64 42 $38
G0317 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 qualifi 37 22 $29

In context: peer comparison

Among 16 peers in Elizabethtown Family Medicine Physician, average services per provider: 74. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,574
Patients
427
Total drug cost
$142,123
Drug Type Claims Patients Total cost
Memantine Hcl Generic 367 40 $15,408
Levothyroxine Sodium Generic 365 46 $3,027
Gabapentin Generic 265 43 $3,526
Eliquis (Apixaban) Brand 205 38 $99,380
Metoprolol Succinate Generic 174 38 $2,855
Atorvastatin Calcium Generic 156 33 $1,724
Escitalopram Oxalate Generic 136 21 $1,610
Sertraline Hcl Generic 135 21 $1,596
Omeprazole Generic 131 30 $1,710
Potassium Chloride Generic 120 28 $2,970

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mast's medical specialty?
Dr. John Mast practices Family Medicine Physician in Elizabethtown, PA.
Where does Dr. John Mast practice?
Dr. John Mast practices at 418 Cloverleaf RD, Elizabethtown, PA 170229320. Office phone: 7176531467.
What is Dr. John Mast's NPI?
Dr. John Mast's National Provider Identifier (NPI) is 1154392371, issued by NPPES.
Does Dr. John Mast accept Medicare assignment?
Yes. Dr. John Mast accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mast commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.