Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ISABEL CAROLINA DOS SANTOS MARQUES MD
NPI 1104403997
Surgery in Baltimore, MD

Q: What is Isabel Dos Santos Marques's NPI number?

The NPI number for Isabel Dos Santos Marques is 1104403997. It was assigned to this individual provider in the NPPES registry on March 26, 2021.

Q: What is Isabel Dos Santos Marques's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Active since March 26, 2021PECOS Enrolled

4940 EASTERN AVE, BALTIMORE, MD 21224(410) 933-6423 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 15, 2026, Aug 28, 2023, Mar 26, 2021 (3 updates tracked since 2021).

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About Isabel Carolina Dos Santos Marques Md NPPES

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

ISABEL CAROLINA DOS SANTOS MARQUES MD (NPI 1104403997) is an individual surgery provider in Baltimore, Maryland, licensed in Maryland (D0107236) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Edinburg.

NPPES Registry Identity

NPI1104403997

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameISABEL CAROLINA DOS SANTOS MARQUESCredential: MD

Location Address4940 EASTERN AVEBaltimore, MD 21224-2735

Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-6423

Phone(410) 933-6423

Sole ProprietorNo

Enumeration DateMarch 26, 2021

Last NPPES UpdateJuly 15, 20263 updates tracked since enumeration

NPPES CertifiedJuly 15, 2026

✔ NPI 1104403997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in MD · D0107236

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4940 EASTERN AVE, Baltimore, MD 21224

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Secondary Practice Location 1

Location 15501 S McColl RdEdinburg, TX 78539-5503 · Phone (956) 342-1389

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabel Carolina Dos Santos Marques 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 21224 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

$94.08 typical visit price

range $60.73 – $183.44

Typical copayment $23.52 (range $15.18 – $45.86)

Most-billed visit code 99203

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

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.

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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