Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA LATIF MARZOUK
NPI 1639813017
Psychiatry & Neurology - Neurology in Philadelphia, PA

Q: What is Diana Marzouk's NPI number?

The NPI number for Diana Marzouk is 1639813017. It was assigned to this individual provider in the NPPES registry on April 22, 2022.

Q: What is Diana Marzouk's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Diana Marzouk was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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 22, 2022PECOS Enrolled

3400 SPRUCE ST, PHILADELPHIA, PA 19104(267) 239-1979 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 6, 2024, Apr 22, 2022 (2 updates tracked since 2022).

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About Diana Latif Marzouk NPPES

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

DIANA LATIF MARZOUK (NPI 1639813017) is an individual neurology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OT025581) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639813017

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameDIANA LATIF MARZOUK

Location Address3400 SPRUCE STPhiladelphia, PA 19104-4238

Mailing Address3400 Spruce StPhiladelphia, PA 19104-4238 · (804) 828-9783

Phone(267) 239-1979

Sole ProprietorNo

Enumeration DateApril 22, 2022

Last NPPES UpdateJune 23, 20262 updates tracked since enumeration

NPPES CertifiedJune 23, 2026

✔ NPI 1639813017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in PA · OT025581

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

3400 SPRUCE ST, Philadelphia, PA 19104

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Latif Marzouk 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 19104 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

Most-billed visit code 99214

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.

ELIZABETH FOGLIA MD

Pediatrics

3400 SPRUCE ST, 8 RAVDIN
PHILADELPHIA, PA 19104

Philadelphia County (215) 662-3228

JOEL M STEIN MD

Radiology (Diagnostic Radiology)

3400 SPRUCE ST
PHILADELPHIA, PA 19104

Philadelphia County (215) 662-3005

PRISCILLA NELSON M.D.

Anesthesiology

3400 SPRUCE ST, 6 DULLES
PHILADELPHIA, PA 19104

Philadelphia County (215) 349-8310

DR. JASON THOMAS ACKRIVO MD

Internal Medicine (Pulmonary Disease)

3400 SPRUCE ST
PHILADELPHIA, PA 19104

Philadelphia County (215) 614-0871

JEAN-PHILIPPE RICHARD DMD

Student in an Organized Health Care Education/Training Program

3400 SPRUCE ST
PHILADELPHIA, PA 19104

Philadelphia County (215) 662-6176

LEAH M LOPEZ PA-C

Physician Assistant (Medical)

3400 SPRUCE ST, 4 SILVERSTEIN
PHILADELPHIA, PA 19104

Philadelphia County (215) 662-7870

JOANIE M GARRATT MD

Radiology (Diagnostic Radiology)

3400 SPRUCE ST
PHILADELPHIA, PA 19104

Philadelphia County (215) 662-3000

JENNIFER DEKERLEGAND

Physical Therapist

3400 SPRUCE ST, 1 WHITE BUILDING
PHILADELPHIA, PA 19104

Philadelphia County (215) 662-3265

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 Diana Marzouk's NPI number?

The NPI number for Diana Marzouk is 1639813017. It was assigned to this individual provider in the NPPES registry on April 22, 2022.

Where is Diana Marzouk located?

Diana Marzouk practices at 3400 Spruce St, Philadelphia, PA 19104. The listed phone number is (267) 239-1979.

What is Diana Marzouk's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Diana Marzouk enrolled in Medicare?

Yes. Diana Marzouk is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diana Marzouk was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.