1. Home
  2. Directory
  3. Maryland
  4. Rockville
  5. Internal Medicine
  6. NPI Profile

DR. STEPHEN M HELLMAN M.D.
NPI 1942296926
Internal Medicine - Nephrology in Rockville, MD

Active since September 23, 2005
6240 MONTROSE RD, ROCKVILLE, MD 20852(301) 231-7111(301) 231-9040 Get Directions Write a Review

NPPES record last updated: September 16, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen M Hellman M.d. NPPES

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

DR. STEPHEN M HELLMAN M.D. (NPI 1942296926) is an individual nephrology provider in Rockville, Maryland, licensed in Maryland (D20674) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1942296926
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. STEPHEN M HELLMANCredential: M.D.
Location Address6240 MONTROSE RDRockville, MD 20852-4119
Mailing Address6240 Montrose RdRockville, MD 20852-4119 · (301) 231-7111 · Fax (301) 231-9040
Phone(301) 231-7111
Fax(301) 231-9040
Sole ProprietorYes
Enumeration DateSeptember 23, 2005
Last NPPES UpdateSeptember 16, 2013
✔ NPI 1942296926 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in MD · D20674
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
6240 MONTROSE RD, Rockville, MD 20852
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINB94719MD
Medicare ID-Type Unspecified129736MD
Medicaid461801700MD

Other Providers at the Same Location NPPES 4

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

JEFFREY ALAN PERLMUTTER M.D.
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 231-7111
NEPHROLOGY ASSOCIATES OF MONTGOMERY COUNTY
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 231-7111
STEPHEN M HELLMAN MD LLC
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 685-6262
DR. STEPHEN VACCAREZZA M.D.
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 231-7111

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 Stephen Hellman's NPI number?

The NPI number for Stephen Hellman is 1942296926. It was assigned to this individual provider in the NPPES registry on September 23, 2005.

Where is Stephen Hellman located?

Stephen Hellman practices at 6240 Montrose Rd, Rockville, MD 20852. The listed phone number is (301) 231-7111.

What is Stephen Hellman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for Stephen Hellman was last updated on September 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.