MARIEM ALI SADEK SAWAN MBBS
NPI 1821442344
Internal Medicine - Cardiovascular Disease in Baltimore, MD

Q: What is Mariem Sawan's NPI number?

The NPI number for Mariem Sawan is 1821442344. It was assigned to this individual provider in the NPPES registry on April 21, 2016.

Q: What is Mariem Sawan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mariem Sawan was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since April 21, 2016PECOS EnrolledAccepts Medicare Assignment

22 S GREENE ST, ROOM N3E09, BALTIMORE, MD 21201(410) 328-6110 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 3, 2025, May 19, 2024 (2 updates tracked since 2024).

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About Mariem Ali Sadek Sawan Mbbs NPPES

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

MARIEM ALI SADEK SAWAN MBBS (NPI 1821442344) is an individual cardiovascular disease provider in Baltimore, Maryland, licensed in Georgia (85287) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1821442344

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameMARIEM ALI SADEK SAWANCredential: MBBS

Location Address22 S GREENE ST, ROOM N3E09Baltimore, MD 21201-1544

Mailing Address22 S Greene St Rm N3e09Baltimore, MD 21201-1544 · (410) 328-6110

Phone(410) 328-6110

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateApril 21, 2016

Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 3, 2025

✔ NPI 1821442344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in GA · 85287

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.

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

22 S GREENE ST, Baltimore, MD 21201

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mariem Ali Sadek Sawan Mbbs is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234424508

PECOS Enrollment IDI20250818004659

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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Duke University Hospital

Acute Care Hospitals · Durham, NC

5/5 CMS rating

OwnershipProprietary

CMS Certification Number340030

Location2100 Erwin RdDurham, NC 27705 · Durham County

Emergency services Birthing friendly

Maria Parham Medical Center

Acute Care Hospitals · Henderson, NC

2/5 CMS rating

OwnershipProprietary

CMS Certification Number340132

LocationPO Box 59Henderson, NC 27536 · Vance County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

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.

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. LEONARD ANANG SOWAH M.D.

Internal Medicine

22 S GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 706-4619

VISHAL BHATNAGAR MD

Student in an Organized Health Care Education/Training Program

22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201

Baltimore City (410) 328-6110

NANCE J FOX P.A.-C

Physician Assistant (Medical)

22 S GREENE ST, G2K36
BALTIMORE, MD 21201

Baltimore City (410) 328-1170

HILARY TAMARA WOLF MD

Pediatrics (Adolescent Medicine)

22 S GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 328-7373

MS. LINDSAY BREAM O'MEARA CRNP

Nurse Practitioner (Acute Care)

22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201

Baltimore City (410) 328-3365

NORA T OLIVER M.D., M.P.H.

Student in an Organized Health Care Education/Training Program

22 S GREENE ST, N3E09
BALTIMORE, MD 21201

Baltimore City (410) 328-5756

SHOSHANA JO WEINER

Internal Medicine

22 S GREENE ST
BALTIMORE, MD 21201

Baltimore City (617) 214-1332

JENNA VANLIERE CANZONIERO M.D.

Internal Medicine

22 S GREENE ST, N3E09
BALTIMORE, MD 21201

Baltimore City (410) 328-5756

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 Mariem Sawan's NPI number?

The NPI number for Mariem Sawan is 1821442344. It was assigned to this individual provider in the NPPES registry on April 21, 2016.

Where is Mariem Sawan located?

Mariem Sawan practices at 22 S Greene St Room N3e09, Baltimore, MD 21201. The listed phone number is (410) 328-6110.

What is Mariem Sawan's specialty?

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

Is Mariem Sawan enrolled in Medicare?

Yes. Mariem Sawan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mariem Sawan accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Mariem Sawan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mariem Sawan affiliated with any hospitals?

According to CMS data, Mariem Sawan is affiliated with Duke University Hospital and Maria Parham Medical Center.

When was this NPI record last updated?

The NPPES record for Mariem Sawan was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.