SILVERSTEIN MEDICAL LLC
NPI 1457820573
General Practice in Havre De Grace, MD

Active since November 19, 2018CLIA 21D0215186 · Microscopy
805 S UNION AVE, HAVRE DE GRACE, MD 21078(141) 093-9584 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 27, 2026, Nov 19, 2018 (2 updates tracked since 2018).

About Silverstein Medical Llc NPPES

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

SILVERSTEIN MEDICAL LLC (NPI 1457820573) is a healthcare organization registered as a general practice in Havre De Grace, Maryland and active in the NPI registry since November 2018. The organization holds a CLIA Microscopy certificate valid through February 1, 2027 and lists Christy Silverstein, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1457820573
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameSILVERSTEIN MEDICAL LLC
Location Address805 S UNION AVEHavre De Grace, MD 21078-3676
Mailing Address805 S Union AveHavre De Grace, MD 21078-3610 · (410) 939-5843 · Fax (410) 939-3538
Organization SubpartNo
Authorized OfficialChristy SilversteinPractice Administrator · (410) 939-5843
Enumeration DateNovember 19, 2018
Last NPPES UpdateApril 27, 20262 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1457820573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
805 S UNION AVE, Havre De Grace, MD 21078

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Silverstein Medical Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Silverstein Medical LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Nurse Practitioner
NPI 1083181432
805 S UNION AVE
Havre De Grace, MD 21078
(410) 939-5843
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1699100263
805 S UNION AVE
Havre De Grace, MD 21078
(410) 939-5843
✔ PECOS✔ Accepts MedicareSame address
General Practice
NPI 1033103775
805 S UNION AVE
Havre De Grace, MD 21078
(410) 939-5843
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1669689881
1206-B EXPRESSCARE OF BEL AIR
Bel Air, MD 21014
(410) 838-2301
✔ PECOS✔ Accepts Medicare14 mi
Family Practice
NPI 1457573578
9832 YORK RD SUITE F
Cockeysville, MD 21030
(410) 628-1861
✔ PECOS✔ Accepts Medicare30 mi
Nurse Practitioner
NPI 1487498234
235 WELLESLEY ST
Weston, MA 02493
(781) 768-7000
✔ PECOS316 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 21D0215186

Silverstein Medical LLC · Havre De Grace, MD
Active · expires Feb 1, 2027
CLIA Number21D0215186
Laboratory TypePhysician Office
Certificate Effective DateFebruary 2, 2025
Certificate Expiration DateFebruary 1, 2027
Laboratory DirectorLouis Silverstein
Laboratory Phone(410) 939-5843
Laboratory LocationSilverstein Medical LLC805 South Union Avenue, Havre De Grace, MD 21078
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Silverstein Medical LLC's NPI number?

The NPI number for Silverstein Medical LLC is 1457820573. It was assigned to this organization in the NPPES registry on November 19, 2018.

Where is Silverstein Medical LLC located?

Silverstein Medical LLC is located at 805 S Union Ave, Havre De Grace, MD 21078. The listed phone number is (141) 093-9584.

What is Silverstein Medical LLC's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Silverstein Medical LLC enrolled in Medicare?

Yes. Silverstein Medical LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Silverstein Medical LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 4 Medicare specialties reassign their Medicare billing to Silverstein Medical LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3), Family Practice (1) and General Practice (1). Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Silverstein Medical LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 21D0215186) is associated with this NPI, valid through February 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Silverstein Medical LLC was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.