Doctor profile · Federal record

Dr. Gregory Streff, DO

Pulmonary Disease Physician · Grand Blanc, MI

  • NPI 1558314005
  • MIPS 24.3 / 100 · 2023
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9450 S Saginaw RD, Suite E
Grand Blanc, MI 484398206
(810) 695-4000
fax (810) 695-4055

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Michigan #5101008684
Medicaid
MI #3361051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558314005. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,844
Distinct HCPCS
10
Medicare allowed
$168,741
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 884 464 $120
94060 Test to measure expiratory airflow and volume changes before and after medication administration 240 238 $35
94729 Test to examine how well the lungs exchange gases 238 236 $52
94726 Test to determine lung volumes using sensors 213 213 $50
99205 New patient office or other outpatient visit, 60-74 minutes 85 85 $206
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 64 62 $56
99213 Established patient office or other outpatient visit, 20-29 minutes 41 40 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 24 20 $171
94618 Test for exercise-induced lung stress 23 21 $32
94727 Test to determine lung volumes using gas dilution or washout 21 21 $38

In context: peer comparison

Among 6 peers in this city , average services per provider: 125. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,330
Transactions
84
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 12 $319.55
JAZZ PHARMACEUTICALS INC. 10 $222.46
GlaxoSmithKline, LLC. 13 $187.04
HARMONY BIOSCIENCES LLC 5 $144.85
Regeneron Healthcare Solutions, Inc. 5 $142.80
Janssen Pharmaceuticals, Inc 4 $142.65
Grifols USA, LLC 7 $142.33
Boehringer Ingelheim Pharmaceuticals, Inc. 5 $96.74
Amgen Inc. 4 $84.66
Resmed Corp 4 $77.55
Takeda Pharmaceuticals U.S.A., Inc. 4 $75.22
United Therapeutics Corporation 3 $73.12
Actelion Pharmaceuticals US, Inc. 3 $60.56
Mylan Specialty L.P. 3 $59.57
Inspire Medical Systems, Inc. 2 $58.20

By nature of payment

Food and Beverage
$2,250
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,364
Patients
725
Total drug cost
$493,844
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 239 110 $5,925
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 224 137 $12,302
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 151 68 $209,523
Pantoprazole Sodium Generic 103 54 $1,922
Prednisone Generic 103 69 $554
Ventolin Hfa (Albuterol Sulfate) Brand 78 42 $9,116
Carbidopa-Levodopa Er (Carbidopa/Levodopa) Brand 69 34 $2,675
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 67 27 $63,315
Spiriva Respimat (Tiotropium Bromide) Brand 54 25 $54,711
Symbicort (Budesonide/Formoterol Fumarate) Brand 54 22 $44,677

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Streff's medical specialty?
Dr. Gregory Streff practices Pulmonary Disease Physician in Grand Blanc, MI.
Where does Dr. Gregory Streff practice?
Dr. Gregory Streff practices at 9450 S Saginaw RD, Grand Blanc, MI 484398206. Office phone: 8106954000.
What is Dr. Gregory Streff's NPI?
Dr. Gregory Streff's National Provider Identifier (NPI) is 1558314005, issued by NPPES.
What procedures does Dr. Gregory Streff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS 94060); Test to examine how well the lungs exchange gases (HCPCS 94729). Source: CMS Medicare Physician & Other Practitioners file.