Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael A Greene, MD

Internal Medicine Physician in Montgomery Village, MD · enumerated 2006 · practices at Michael A Greene MD PA.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326141714

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael A Greene

Credential MD

Sex Male

Practice address 19640 Club House Rd, #410, Montgomery Village, MD, 20886

Phone (301) 963-0040

Fax (301) 840-1504

Enumeration date Sep 7, 2006

Last updated in NPPES Jun 28, 2026

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D0020425 (MD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Michael Greene?

The National Provider Identifier (NPI) for Michael Greene is 1326141714, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Greene practice?

The practice location on file with NPPES is in Montgomery Village, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Michael A Greene MD PA Internal Medicine Physician · Montgomery Village, MD NPI 1043313430

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-28.