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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HAROLD J ALFERT M.D.
NPI 1316901903
Urology in Baltimore, MD

Active since April 12, 2006
4940 EASTERN AVE, BALTIMORE, MD 21224(410) 550-7008 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Harold J Alfert M.d. NPPES

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

HAROLD J ALFERT M.D. (NPI 1316901903) is an individual urology provider in Baltimore, Maryland, licensed in Maryland (D37525) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1316901903
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameHAROLD J ALFERTCredential: M.D.
Location Address4940 EASTERN AVEBaltimore, MD 21224-2735
Mailing AddressPo Box 64255Baltimore, MD 21264-4255
Phone(410) 550-7008
Sole ProprietorNo
Enumeration DateApril 12, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1316901903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in MD · D37525
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.
4940 EASTERN AVE, Baltimore, MD 21224
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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.

DR. SUSRUTHA KOTWAL MD
Internal Medicine
4940 EASTERN AVE, MFL BLDG, WEST TOWER, 6TH FLOOR
BALTIMORE, MD 21224
Baltimore City (410) 550-5018
DR. SAMANTHA A WOLFE MD
Otolaryngology
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (410) 550-2370
MARK MILEY PA-C
Physician Assistant
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (410) 550-9227
REID C. WILKINS MD
Pathology (Anatomic Pathology & Clinical Pathology)
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (410) 550-5568
DEREK MASON MD, MPH
Student in an Organized Health Care Education/Training Program
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (410) 550-0100
RUCHITA SUDHIR PENDSE MD
Obstetrics & Gynecology (Gynecology)
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (410) 550-5568
VIVIANA KATHERINE PEARSON NEONATAL NURSE PRACT
Registered Nurse (Neonatal Intensive Care)
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (443) 297-7701
BRUCE ROBERT GIBSON M.D.
Surgery
4940 EASTERN AVE
BALTIMORE, MD 21224
Baltimore City (410) 550-0100

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 Harold Alfert's NPI number?

The NPI number for Harold Alfert is 1316901903. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Harold Alfert located?

Harold Alfert practices at 4940 Eastern Ave, Baltimore, MD 21224. The listed phone number is (410) 550-7008.

What is Harold Alfert'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 Harold Alfert was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.