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DR. RONALD ALAN SEFF MD
NPI 1144216011
Ophthalmology in Baltimore, MD

Active since September 26, 2005
19 FONTANA LN, SUITE 108, BALTIMORE, MD 21237(410) 574-4040 Get Directions Write a Review

NPPES record last updated: October 1, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Alan Seff Md NPPES

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

DR. RONALD ALAN SEFF MD (NPI 1144216011) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (D16254) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1144216011
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. RONALD ALAN SEFFCredential: MD
Location Address19 FONTANA LN, SUITE 108Baltimore, MD 21237-3047
Mailing Address19 Fontana Lane, Suite 108Baltimore, MD 21237-3047 · (410) 574-4040
Phone(410) 574-4040
Sole ProprietorYes
Enumeration DateSeptember 26, 2005
Last NPPES UpdateOctober 1, 2013
✔ NPI 1144216011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MD · D16254
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
19 FONTANA LN, Baltimore, MD 21237
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Other Identifiers 3

Medicaid310303P0000MD
Medicare UPINB70183MD
Other938QMD · Medicare P Ten

Other Providers at the Same Location NPPES 14

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

DR. STEPHEN THOMAS YOUNISS D.D.S.
Dentist (General Practice)
19 FONTANA LN, SUITE 202
BALTIMORE, MD 21237
Baltimore County (410) 574-3666
HATEM S ABDO MD
Neurological Surgery
19 FONTANA LN, STE 206
BALTIMORE, MD 21237
Baltimore County (410) 391-6904
DR. ZIA A ZAKAI M.D.,P.A.,M.SC.
Orthopaedic Surgery
19 FONTANA LN, SUITE 208-210
BALTIMORE, MD 21237
Baltimore County (410) 574-4720
PARKVILLE ANESTHESIA, LLC
Anesthesiology
19 FONTANA LN, STE 104
BALTIMORE, MD 21237
Baltimore County (410) 574-7776
RONALD A SEFF, MD, PA
Ophthalmology
19 FONTANA LN, SUITE 108
BALTIMORE, MD 21237
Baltimore County (410) 574-4040
BALTIMORE AMBULATORY CENTER FOR ENDOSCOPY
Clinic/Center (Ambulatory Surgical)
19 FONTANA LN, SUITE 104
BALTIMORE, MD 21237
Baltimore County (410) 574-7776
DR. DAVID B LUMSDEN MD
Orthopaedic Surgery
19 FONTANA LN, SUITE 208-210
ROSEDALE, MD 21237
Baltimore County (410) 574-4720
GREATER BALTIMORE ORTHOPEDIC SURGERY, LLC
Orthopaedic Surgery
19 FONTANA LN, SUITE 208-210
ROSEDALE, MD 21237
Baltimore County (410) 574-4720

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 Ronald Seff's NPI number?

The NPI number for Ronald Seff is 1144216011. It was assigned to this individual provider in the NPPES registry on September 26, 2005.

Where is Ronald Seff located?

Ronald Seff practices at 19 Fontana Ln Suite 108, Baltimore, MD 21237. The listed phone number is (410) 574-4040.

What is Ronald Seff's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Ronald Seff was last updated on October 1, 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.