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DR. MARISSA ELYSE DEARDEN MD
NPI 1023501095
Orthopaedic Surgery - Hand Surgery in Bethesda, MD

Active since June 13, 2018PECOS Enrolled
ORTHOPAEDIC SURGERY 8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-4290 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 8, 2025, Jul 10, 2024, Jun 13, 2018 (3 updates tracked since 2018).

About Dr. Marissa Elyse Dearden Md NPPES

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

DR. MARISSA ELYSE DEARDEN MD (NPI 1023501095) is an individual hand surgery provider in Bethesda, Maryland, licensed in New York (329136) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1023501095
Entity TypeIndividualFemale
Primary Taxonomy207XS0106X
Provider Legal NameDR. MARISSA ELYSE DEARDENCredential: MD
Location AddressORTHOPAEDIC SURGERY 8901 WISCONSIN AVEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Phone(301) 295-4290
Sole ProprietorNo
Enumeration DateJune 13, 2018
Last NPPES UpdateAugust 8, 20253 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1023501095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0106X
License✔ Licensed in NY · 329136
Definition

An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
ORTHOPAEDIC SURGERY 8901 WISCONSIN AVE, Bethesda, MD 20889
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Secondary Practice Location 1

Location 1535 E 70th StNew York, NY 10021-4823 · Phone (212) 606-1000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marissa Elyse Dearden Md 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 20889 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

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 Marissa Dearden's NPI number?

The NPI number for Marissa Dearden is 1023501095. It was assigned to this individual provider in the NPPES registry on June 13, 2018.

Where is Marissa Dearden located?

Marissa Dearden practices at Orthopaedic Surgery 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-4290.

What is Marissa Dearden's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is Marissa Dearden enrolled in Medicare?

Yes. Marissa Dearden is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marissa Dearden was last updated on August 8, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.