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DR. MARK H GREENE M.D.
NPI 1801045638
Internal Medicine - Medical Oncology in Rockville, MD

Active since September 17, 2008
6120 EXECUTIVE BLVD, ROOM EPS 7032, ROCKVILLE, MD 20852(301) 594-7641 Get Directions Write a Review

NPPES record last updated: September 17, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark H Greene M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK H GREENE M.D. (NPI 1801045638) is an individual medical oncology provider in Rockville, Maryland, licensed in Maryland (D0022149) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1801045638
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MARK H GREENECredential: M.D.
Location Address6120 EXECUTIVE BLVD, ROOM EPS 7032Rockville, MD 20852-4906
Mailing Address6120 Executive Blvd, Room Eps 7032Rockville, MD 20852-4906 · (301) 594-7641
Phone(301) 594-7641
Sole ProprietorNo
Enumeration DateSeptember 17, 2008
✔ NPI 1801045638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MD · D0022149
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License D0022149 (MD)
6120 EXECUTIVE BLVD, Rockville, MD 20852
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Other Identifiers 1

Medicare UPINE52309AZ

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JUNE A PETERS MS
Genetic Counselor, MS
6120 EXECUTIVE BLVD, EPS 7026
ROCKVILLE, MD 20852
Montgomery County (301) 594-7646
DR. CHARLES S. RABKIN M.D.
Internal Medicine
6120 EXECUTIVE BLVD, EPS 7086
ROCKVILLE, MD 20852
Montgomery County (301) 496-8115
DR. JORGE R TORO M.D.
Dermatology
6120 EXECUTIVE BLVD, EXECTUIVE PLAZA SOUTH SUITE 7012
ROCKVILLE, MD 20852
Montgomery County (249) 042-6851

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Greene's NPI number?

The NPI number for Mark Greene is 1801045638. It was assigned to this individual provider in the NPPES registry on September 17, 2008.

Where is Mark Greene located?

Mark Greene practices at 6120 Executive Blvd Room Eps 7032, Rockville, MD 20852. The listed phone number is (301) 594-7641.

What is Mark Greene's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Mark Greene was last updated on September 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.