Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Philip Henry Greger Jr., MD
Specialist in Conroe, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578532966
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Registry record
Entity type Individual (Type 1)
Name Dr. Philip Henry Greger Jr.
Credential MD
Sex Male
Practice address 500 Medical Center Blvd, Suite 220, Conroe, TX, 77304
Phone (936) 441-9992
Fax (936) 756-8999
Enumeration date Mar 16, 2006
Last updated in NPPES Jul 23, 2016
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0314254-01 | Medicaid | TX | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Philip Greger?
The National Provider Identifier (NPI) for Philip Greger is 1578532966, a Type 1 (individual) record in the CMS NPPES registry.
Where does Philip Greger practice?
The practice location on file with NPPES is in Conroe, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → James Bonar Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Conroe, TX NPI 1871572123 Robert Williams Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · Conroe, TX NPI 1760446561 Co Nguyen Family Medicine Physician · Conroe, TX NPI 1780634394 Southern Texas Physicians Network Inc Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Conroe, TX NPI 1538104351 Holmes Internal Medicine Internal Medicine Physician · Conroe, TX NPI 1881624922 Network Radiology Associates Diagnostic Radiology Physician · Conroe, TX NPI 1720010085 Connie Hutton Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Conroe, TX NPI 1760402598 Southeast Texas Hyperbaric Medicine Center, P.A. Specialist · Conroe, TX NPI 1194838318
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-23.