Doctor profile · Federal record

Dr. Douglas Mazurek, M.D.

Specialist · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Valparaiso, IN

  • NPI 1033223235
  • MIPS 87.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 Glendale Blvd, Suite 103
Valparaiso, IN 463833767
(219) 464-9054
fax (219) 465-1749
Mailing address
2022 Kelle Dr
Chesterton, IN 463048708

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 11, 2020
Specialty taxonomy
174400000X — NUCC code
State licenses (2)
Indiana #01038566A · Indiana #01038566
Medicaid
IN #200016720

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033223235. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,904
Distinct HCPCS
10
Medicare allowed
$139,921
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 797 194 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 242 90 $112
99213 Established patient office or other outpatient visit, 20-29 minutes 141 134 $84
94729 Test to examine how well the lungs exchange gases 119 118 $8
94060 Test to measure expiratory airflow and volume changes before and after medication administration 118 117 $10
94726 Test to determine lung volumes using sensors 118 117 $11
99214 Established patient office or other outpatient visit, 30-39 minutes 110 96 $120
94004 Nursing facility ventilation assistance and management 61 13 $45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 55 54 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 35 $165

In context: peer comparison

Among 1 peers in Valparaiso Specialist, average services per provider: 136. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$495
Transactions
21
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 4 $97.04
Inspire Medical Systems, INC. 2 $76.85
Mallinckrodt Hospital Products INC. 2 $51.76
Regeneron Healthcare Solutions, INC. 1 $39.74
Boehringer Ingelheim Pharmaceuticals, INC. 2 $36.04
AstraZeneca Pharmaceuticals Lp 2 $35.82
GlaxoSmithKline, LLC. 2 $33.69
Amgen INC. 1 $28.75
Baxter Healthcare 1 $24.35
Abbvie INC. 1 $21.91
Philips North America LLC 1 $18.79
Mylan Specialty L.P. 1 $15.20
Electromed, INC. 1 $14.99

By nature of payment

Food and Beverage
$495

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,402
Patients
573
Total drug cost
$502,584
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 396 118 $16,416
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 365 93 $391,974
Prednisone Generic 327 104 $975
Doxycycline Hyclate Generic 187 72 $1,738
Montelukast Sodium Generic 141 46 $3,026
Famotidine Generic 119 19 $1,797
Metoprolol Tartrate Generic 119 14 $1,255
Gabapentin Generic 109 11 $4,044
Levetiracetam Generic 109 11 $5,805
Atorvastatin Calcium Generic 106 18 $2,012

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Mazurek's medical specialty?
Dr. Douglas Mazurek practices Specialist in Valparaiso, IN.
Where does Dr. Douglas Mazurek practice?
Dr. Douglas Mazurek practices at 1101 Glendale Blvd, Valparaiso, IN 463833767. Office phone: 2194649054.
What is Dr. Douglas Mazurek's NPI?
Dr. Douglas Mazurek's National Provider Identifier (NPI) is 1033223235, issued by NPPES.
What procedures does Dr. Douglas Mazurek commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.