Doctor profile · Federal record

Dr. Mary Prem, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Munster, IN

  • NPI 1912918301
  • Accepts Medicare
  • 45 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7905 Calumet Ave
Munster, IN 463212549
(219) 836-5800
fax (219) 836-8073
Mailing address
Po Box 781076
Detroit, MI 482781076

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 16, 2023
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #01063227A · Pennsylvania #MT183455
Medicaid
IN #200873120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912918301. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,003
Distinct HCPCS
10
Medicare allowed
$113,602
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 444 208 $119
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 177 177 $123
99215 Established patient office or other outpatient visit, 40-54 minutes 153 97 $168
G0008 Administration of influenza virus vaccine 68 65 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 44 38 $82
90662 Influenza vaccine split virus, preservative free 38 38 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 19 18 $14
90682 Influenza vaccine, quadrivalent derived from recombinant dna 18 18 $70
G0009 Administration of pneumococcal vaccine 16 16 $29
99495 Transitional care management services for problem of at least moderate complexity 14 13 $193

In context: peer comparison

Among 8 peers in this city , average services per provider: 92. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $19.08
Dexcom, Inc. 1 $19.03
Xeris Pharmaceuticals, Inc. 1 $15.98
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $15.65

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,978
Patients
1,075
Total drug cost
$38,492
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 594 174 $7,433
Amlodipine Besylate Generic 430 122 $3,029
Alprazolam Generic 375 56 $2,081
Levothyroxine Sodium Generic 332 89 $4,590
Pantoprazole Sodium Generic 267 82 $3,086
Metformin Hcl Generic 254 78 $2,031
Lisinopril Generic 225 70 $2,003
Losartan Potassium Generic 220 62 $2,050
Metoprolol Tartrate Generic 214 59 $2,042
Gabapentin Generic 208 50 $2,260

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Prem's medical specialty?
Dr. Mary Prem practices Internal Medicine Physician in Munster, IN.
Where does Dr. Mary Prem practice?
Dr. Mary Prem practices at 7905 Calumet Ave, Munster, IN 463212549. Office phone: 2198365800.
What is Dr. Mary Prem's NPI?
Dr. Mary Prem's National Provider Identifier (NPI) is 1912918301, issued by NPPES.
Does Dr. Mary Prem accept Medicare assignment?
Yes. Dr. Mary Prem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Prem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.