MARK H RATNER MD
NPI 1568544112
Urology in Rockville, MD

Q: What is Mark Ratner's NPI number?

The NPI number for Mark Ratner is 1568544112. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Q: What is Mark Ratner's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Ratner was last updated on September 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since October 20, 2006

9420 KEY WEST AVE, SUITE 420, ROCKVILLE, MD 20850(301) 258-1919(301) 258-9180 Get Directions Write a Review

NPPES record last updated: September 28, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mark H Ratner Md NPPES

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

MARK H RATNER MD (NPI 1568544112) is an individual urology provider in Rockville, Maryland, licensed in Maryland (D0033617) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1568544112

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameMARK H RATNERCredential: MD

Location Address9420 KEY WEST AVE, SUITE 420Rockville, MD 20850

Mailing Address25 Crossroads Drive, Suite 306Owings Mills, MD 21117 · (443) 738-2872

Phone(301) 258-1919

Fax(301) 258-9180

Sole ProprietorNo

Enumeration DateOctober 20, 2006

Last NPPES UpdateSeptember 28, 2017

✔ NPI 1568544112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in MD · D0033617

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

9420 KEY WEST AVE, Rockville, MD 20850

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Other Identifiers 2

Medicaid406091100MD

Medicare UPINB94423

Other Providers at the Same Location NPPES 20

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

JOHN M SCHRUEFER MD

Internal Medicine

9420 KEY WEST AVE, #204
ROCKVILLE, MD 20850

Montgomery County (630) 725-2730

ACCUCARE SEDATION, LLC

Specialist

9420 KEY WEST AVE, SUITE 104
ROCKVILLE, MD 20850

Montgomery County (301) 838-7665

CHRISTOPHER HO-HON CHEUNG

Physical Therapist

9420 KEY WEST AVE, SUITE 300
ROCKVILLE, MD 20850

Montgomery County (301) 251-1433

STEPHEN ANDREW LAKNER MD

Obstetrics & Gynecology

9420 KEY WEST AVE, STE 415
ROCKVILLE, MD 20850

Montgomery County (301) 279-9400

ANDREA CAROLINA ESPARZA

Counselor (Mental Health)

9420 KEY WEST AVE
ROCKVILLE, MD 20850

Montgomery County (301) 579-0089

DOROTHY CHIU LEE MD

Obstetrics & Gynecology

9420 KEY WEST AVE, STE 415
ROCKVILLE, MD 20850

Montgomery County (301) 279-9400

PROACTIVE HAND AND PHYSICAL THERAPY

Clinic/Center (Physical Therapy)

9420 KEY WEST AVE, SUITE 140
ROCKVILLE, MD 20850

Montgomery County (301) 545-1677

BRET JOSEPH GREBOWSKY PT, DPT

Physical Therapist

9420 KEY WEST AVE, SUITE 140
ROCKVILLE, MD 20850

Montgomery County (301) 545-1677

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 Ratner's NPI number?

The NPI number for Mark Ratner is 1568544112. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Mark Ratner located?

Mark Ratner practices at 9420 Key West Ave Suite 420, Rockville, MD 20850. The listed phone number is (301) 258-1919.

What is Mark Ratner's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

When was this NPI record last updated?

The NPPES record for Mark Ratner was last updated on September 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.