Mark Saad-Naguib, MD
NPI 1669091492 · Internal Medicine Physician · Decatur, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Saad-Naguib, MD is a Internal Medicine Physician provider in Decatur, GA (NPI 1669091492).
Provider details
- NPI number
- 1669091492
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 98405 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-12
- Last updated
- 2024-01-15
- Certified
- 2024-01-15
Frequently asked questions
- What is Mark Saad-Naguib's NPI number?
- Mark Saad-Naguib's National Provider Identifier (NPI) is 1669091492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Saad-Naguib's specialty?
- Mark Saad-Naguib is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Saad-Naguib located?
- Mark Saad-Naguib's practice location on file with NPPES is 1670 Clairmont Rd, Decatur, GA 30033-4004.
- What is Mark Saad-Naguib's phone number?
- The practice phone number listed in the NPPES registry for Mark Saad-Naguib is (404) 321-6111.
- Does Mark Saad-Naguib accept Medicare?
- Mark Saad-Naguib is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Saad-Naguib's NPI active?
- Yes — Mark Saad-Naguib's NPI (1669091492) is active in the NPPES registry as of the last update on 2024-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.