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MARK ANTHONY NADDAF MD
NPI 1124142500
Pediatrics - Pediatric Gastroenterology in Toledo, OH

Active since March 19, 2007PECOS EnrolledAccepts Medicare Assignment
2222 CHERRY ST, SUITE 1600, TOLEDO, OH 43608(419) 251-4880(419) 251-7714 Get Directions Write a Review

NPPES record last updated: June 16, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 16, 2023, Sep 6, 2022 (2 updates tracked since 2022).

About Mark Anthony Naddaf Md NPPES

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

MARK ANTHONY NADDAF MD (NPI 1124142500) is an individual pediatric gastroenterology provider in Toledo, Ohio, licensed in Ohio (89490) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1124142500
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameMARK ANTHONY NADDAFCredential: MD
Location Address2222 CHERRY ST, SUITE 1600Toledo, OH 43608-2673
Mailing Address700 Childrens DrColumbus, OH 43205-2664 · (614) 722-2000
Phone(419) 251-4880
Fax(419) 251-7714
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMarch 19, 2007
Last NPPES UpdateJune 16, 20232 updates tracked since enumeration
NPPES CertifiedJune 7, 2023
✔ NPI 1124142500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
Licenses✔ Licensed in OH · 89490✔ Licensed in MI · 4301083864
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 4301083864 (MI)
2222 CHERRY ST, Toledo, OH 43608
Open in Google Maps ↗

Secondary Practice Locations 6

Location 11400 E 2nd StDefiance, OH 43512-9905 · Phone (419) 251-4880
Location 2605 3rd AveFremont, OH 43420-3269 · Phone (419) 251-4880
Location 3500 W Market StTiffin, OH 44883-2610 · Phone (419) 251-8035
Location 4730 W. High StreetLima, OH 45801 · Phone (419) 251-4880
Location 54126 N Holland Sylvania Rd Ste 220Toledo, OH 43623-3537 · Phone (419) 251-4880
Location 62213 Cherry StToledo, OH 43608-2603 · Phone (567) 290-6543

Other Identifiers 1

Medicaid2743697OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Anthony Naddaf Md 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 ID8022179019
PECOS Enrollment IDI20110126000678
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Mark Naddaf reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Pediatric Specialists, LLC
Same address
Pediatrics
2213 CHERRY ST
Toledo, OH 43608
  • Reassigned Medicare billing, Ohio enrollment
  • 233 clinicians in this Medicare group
NPI 1033709100 (419) 251-3232
Mercy Health Physicians North Specialty Care LLC
0.9 mi
Surgery
2200 JEFFERSON AVE
Toledo, OH 43604
  • Reassigned Medicare billing, Ohio enrollment
  • 690 clinicians in this Medicare group
NPI 1306468418 (888) 696-3541
Mercy Health Physicians-North LLC
0.9 mi
Family Medicine
2200 JEFFERSON AVE
Toledo, OH 43604
  • Reassigned Medicare billing, Ohio enrollment
  • 457 clinicians in this Medicare group
NPI 1609000769 (419) 871-6359
Promedica Children's Specialists
1.4 mi
Pediatrics
100 MADISON AVE, MSC-S38805
Toledo, OH 43604
  • Reassigned Medicare billing, Ohio enrollment
  • 70 clinicians in this Medicare group
NPI 1245444959 (567) 585-1969
Mercy Medical Partners Northern Region LLC
49 mi
Multi-Specialty
1400 E SECOND ST
Defiance, OH 43512
  • Reassigned Medicare billing, Ohio enrollment
  • 136 clinicians in this Medicare group
NPI 1669756532 (419) 784-1414
Mercy Medical Partners Northern Region Specialty Care LLC
49 mi
Surgery
1400 E 2ND ST
Defiance, OH 43512
  • Reassigned Medicare billing, Ohio enrollment
  • 152 clinicians in this Medicare group
NPI 1730701749 (888) 696-3541

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43608 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.

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.

NAN E. TOBIAS RN, CNP
Nurse Practitioner (Pediatrics)
2222 CHERRY ST, SUITE 1800
TOLEDO, OH 43608
Lucas County (419) 251-8027
STEFANIE PEER LISW
Social Worker (Clinical)
2222 CHERRY ST, SUITE 2800
TOLEDO, OH 43608
Lucas County (419) 251-8213
ANDREA BIGELOW FNP
Nurse Practitioner (Family)
2222 CHERRY ST
TOLEDO, OH 43608
Lucas County (419) 251-1020
DR. DANIEL P OCONNOR DO
Internal Medicine (Pulmonary Disease)
2222 CHERRY ST
TOLEDO, OH 43608
Lucas County (419) 251-4790
LEONARD H MADOFF MD
Pathology (Anatomic Pathology & Clinical Pathology)
2222 CHERRY ST
TOLEDO, OH 43608
Lucas County (419) 251-4534
TANYANYIWA W CHINYADZA M.D.
Internal Medicine (Infectious Disease)
2222 CHERRY ST, STE 1400
TOLEDO, OH 43608
Lucas County (419) 251-4787
DR. NAUMAN NAEEM M.D.
Internal Medicine (Pulmonary Disease)
2222 CHERRY ST, SUITE 1400
TOLEDO, OH 43608
Lucas County (419) 251-4790
MRS. KOURY LEIGH BANKOWSKI NP
Nurse Practitioner (Family)
2222 CHERRY ST, SUITE 1400
TOLEDO, OH 43608
Lucas County (419) 251-4787

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 Naddaf's NPI number?

The NPI number for Mark Naddaf is 1124142500. It was assigned to this individual provider in the NPPES registry on March 19, 2007.

Where is Mark Naddaf located?

Mark Naddaf practices at 2222 Cherry St Suite 1600, Toledo, OH 43608. The listed phone number is (419) 251-4880.

What is Mark Naddaf's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Mark Naddaf enrolled in Medicare?

Yes. Mark Naddaf 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.

Which organizations bill Medicare for Mark Naddaf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Naddaf reassigns Medicare benefits to 6 organizations: Northwest Pediatric Specialists, LLC (Toledo, OH), Mercy Health Physicians North Specialty Care LLC (Toledo, OH), Mercy Health Physicians-North LLC (Toledo, OH), Promedica Children's Specialists (Toledo, OH), Mercy Medical Partners Northern Region LLC (Defiance, OH) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Naddaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Naddaf accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Care Network of Michigan and 4 other insurers list Mark Naddaf 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 Naddaf was last updated on June 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.