Doctor profile · Federal record

Dr. Mary Vrabec, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Denver, CO

  • NPI 1447387444
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4500 E 9Th Ave Ste 450
Denver, CO 802203933
(303) 394-9355
fax (303) 388-8564
Mailing address
4900 S Monaco St Ste 210
Denver, CO 802373487

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
February 9, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Colorado #DR.0040812

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447387444. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
511
Distinct HCPCS
7
Medicare allowed
$41,105
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 301 210 $93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 117 117 $65
G0444 Annual depression screening, 5 to 15 minutes 30 30 $19
99213 Established patient office or other outpatient visit, 20-29 minutes 24 23 $58
G0008 Administration of influenza virus vaccine 14 12 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 13 11 $75
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $168

In context: peer comparison

Among 78 peers in Denver Internal Medicine Physician, average services per provider: 111. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$233
Transactions
12
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 3 $53.29
Boehringer Ingelheim Pharmaceuticals, INC. 2 $48.61
Exact Sciences Corporation 2 $37.09
Hologic Sales and Service, LLC 1 $25.63
Abbvie INC. 1 $20.76
Janssen Pharmaceuticals, INC 1 $19.76
AstraZeneca Pharmaceuticals Lp 1 $14.48
GlaxoSmithKline, LLC. 1 $13.39

By nature of payment

Food and Beverage
$233

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,789
Patients
605
Total drug cost
$103,703
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 236 86 $4,595
Amlodipine Besylate Generic 228 77 $1,926
Atorvastatin Calcium Generic 216 79 $3,073
Rosuvastatin Calcium Generic 148 54 $3,085
Losartan Potassium Generic 122 39 $1,733
Lisinopril Generic 112 40 $953
Metformin Hcl Generic 100 32 $971
Gabapentin Generic 98 30 $1,803
Omeprazole Generic 92 29 $2,417
Escitalopram Oxalate Generic 79 22 $1,164

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Vrabec's medical specialty?
Dr. Mary Vrabec practices Internal Medicine Physician in Denver, CO.
Where does Dr. Mary Vrabec practice?
Dr. Mary Vrabec practices at 4500 E 9Th Ave Ste 450, Denver, CO 802203933. Office phone: 3033949355.
What is Dr. Mary Vrabec's NPI?
Dr. Mary Vrabec's National Provider Identifier (NPI) is 1447387444, issued by NPPES.
Does Dr. Mary Vrabec accept Medicare assignment?
Yes. Dr. Mary Vrabec accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Vrabec 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); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.