GREGORY J STREFF DO NPI 1558314005

NPI Information

  • NPI: 1558314005
  • Provider Name: GREGORY J STREFF, DO
  • Classification: Internal Medicine - 207RP1001X
  • Specialization: Pulmonary Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 9450 S SAGINAW RD
    SUITE E
    GRAND BLANC, MI
    ZIP 48439
  • Phone: (810) 695-4000

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NPI Details

Gregory J Streff, DO is a pulmonary disease internal medicine in Grand Blanc, MI. The provider is an internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs. Gregory J Streff, DO NPI is 1558314005. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

9450 S SAGINAW RD
SUITE E
GRAND BLANC, MI
ZIP 48439-206
Phone: (810) 695-4000
Fax: (810) 695-4055

The NPI 1558314005 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Test to examine how well the lungs exchange gases (HCPCS:94729)
  • Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS:94060)
  • Test to determine lung volumes using sensors (HCPCS:94726)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Test to determine lung volumes using gas dilution or washout (HCPCS:94727)
  • Sleep study including heart rate, breathing, airflow, and effort (HCPCS:95806)
  • 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 (HCPCS:G0399)
  • Test for exercise-induced lung stress (HCPCS:94618)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Sleep study in sleep lab with continuous airway pressure (6 years or older) (HCPCS:95811)
  • Sleep study in sleep lab (6 years or older) (HCPCS:95810)

The enumeration date for this NPI number is 5/18/2006 and was last updated on 7/8/2007.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RP1001XInternal MedicinePulmonary Disease5101008684MICHIGANYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1E50073MEDICARE UPIN
23361051MEDICAIDMICHIGAN
3C4234OTHERMICHIGANMCARE
40152500505OTHERMICHIGANHEALTHPLUS
5OM43260004MEDICARE ID-TYPE UNSPECIFIEDMICHIGAN
6103OTHERMICHIGANCOMMUNITY CHOICE

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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