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STEVEN SEIDEN M.D.
NPI 1891786034
Internal Medicine - Cardiovascular Disease in Rockville Center, NY

Active since November 04, 2005PECOS Enrolled
84.47/100
CMS Quality Rating
242 MERRICK RD, SUITE 402, ROCKVILLE CENTER, NY 11570(516) 763-2800 Get Directions Write a Review

NPPES record last updated: March 29, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Steven Seiden M.d. NPPES

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

STEVEN SEIDEN M.D. (NPI 1891786034) is an individual cardiovascular disease provider in Rockville Center, New York, licensed in New York (147637) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891786034
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameSTEVEN SEIDENCredential: M.D.
Location Address242 MERRICK RD, SUITE 402Rockville Center, NY 11570-5254
Mailing Address242 Merrick Rd, Suite 402Rockville Center, NY 11570-5254 · (516) 763-2800
Phone(516) 763-2800
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateMarch 29, 2021
NPPES CertifiedMarch 29, 2021
✔ NPI 1891786034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NY · 147637
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
242 MERRICK RD, Rockville Center, NY 11570
Open in Google Maps ↗

Other Identifiers 1

Medicaid00892017NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven Seiden M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11570 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

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.

MS. MAUREEN IMELDA REESE PA
Physician Assistant
242 MERRICK RD
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 536-7336
MANISH B UNDAVIA M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
242 MERRICK RD, SUITE 402
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 763-2800
RICHARD HOROWITZ M.D.
Internal Medicine (Cardiovascular Disease)
242 MERRICK RD, SUITE 402
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 763-2800
RICHARD M. LEE MD
Internal Medicine (Hematology & Oncology)
242 MERRICK RD, SUITE 301
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 536-1455
VARVARA ALEXIADIS MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
242 MERRICK RD, STE 403
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 536-3700
MARK A KESSLER M.D.
Internal Medicine (Cardiovascular Disease)
242 MERRICK RD, SUITE 402
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 763-2800
DOUGLAS LAX DO
Internal Medicine (Nephrology)
242 MERRICK RD, SUITE 304
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 764-7070
ALLERGY & ASTHMA CARE OF LI, PC
Allergy & Immunology
242 MERRICK RD, SUITE 401
ROCKVILLE CENTRE, NY 11570
Nassau County (516) 536-7336

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 Steven Seiden's NPI number?

The NPI number for Steven Seiden is 1891786034. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Steven Seiden located?

Steven Seiden practices at 242 Merrick Rd Suite 402, Rockville Center, NY 11570. The listed phone number is (516) 763-2800.

What is Steven Seiden's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Steven Seiden enrolled in Medicare?

Yes. Steven Seiden is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Steven Seiden was last updated on March 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.