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DR. MARK NASR YOUSSEF M.D.
NPI 1508203209
Internal Medicine in Cincinnati, OH

Active since June 04, 2013PECOS EnrolledAccepts Medicare Assignment
76.79/100
CMS Quality Rating
1508 JOHN STREET, STE B, CINCINNATI, OH 45214(513) 598-3900(513) 598-3919 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 17, 2020, Jul 13, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Mark Nasr Youssef M.d. NPPES

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

DR. MARK NASR YOUSSEF M.D. (NPI 1508203209) is an individual internal medicine provider in Cincinnati, Ohio, licensed in Ohio (35.125383) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Louisville School Of Medicine (2013).

NPPES Registry Identity

NPI1508203209
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARK NASR YOUSSEFCredential: M.D.
Location Address1508 JOHN STREET, STE BCincinnati, OH 45214-4104
Mailing Address1508 John Street, Ste BCincinnati, OH 45214-4104 · (513) 598-3900 · Fax (513) 598-3919
Phone(513) 598-3900
Fax(513) 598-3919
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2013
Enumeration DateJune 4, 2013
Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1508203209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in OH · 35.125383✔ Licensed in NH · 19488
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 35.125383 (OH)
1508 JOHN STREET, Cincinnati, OH 45214
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Other Identifiers 1

Medicaid3117394NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, MedMutual, Molina Healthcare and more.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

Dr. Mark Nasr Youssef M.d. 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 ID8527376854
PECOS Enrollment IDI20151006000819
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, onabotulinumtoxina, 1 unit J0585
Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.
7,400 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
31 services23 patients
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615
This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.
30 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45214 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

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.

76.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.65
Promoting Interoperability100
Improvement Activities40
Cost57.98

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%90 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Mark Youssef's NPI number?

The NPI number for Mark Youssef is 1508203209. It was assigned to this individual provider in the NPPES registry on June 4, 2013.

Where is Mark Youssef located?

Mark Youssef practices at 1508 John Street Ste B, Cincinnati, OH 45214. The listed phone number is (513) 598-3900.

What is Mark Youssef's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Youssef enrolled in Medicare?

Yes. Mark Youssef 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 Mark Youssef accept?

Health plans from CareSource, MedMutual, Molina Healthcare and UnitedHealthcare list Mark Youssef 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.

When was this NPI record last updated?

The NPPES record for Mark Youssef was last updated on September 11, 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.