Riad R. Hajjar MD PC
NPI 1164620753 · Internal Medicine Physician · Port Huron, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riad R. Hajjar MD PC is a Internal Medicine Physician organization in Port Huron, MI (NPI 1164620753).
Provider details
- NPI number
- 1164620753
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Carol Klann, Office Manager(810) 966-9556
- License
- RH066725 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-05
- Last updated
- 2009-12-17
Frequently asked questions
- What is Riad R. Hajjar MD PC's NPI number?
- Riad R. Hajjar MD PC's National Provider Identifier (NPI) is 1164620753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Riad R. Hajjar MD PC?
- Riad R. Hajjar MD PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Riad R. Hajjar MD PC located?
- Riad R. Hajjar MD PC's practice location on file with NPPES is 1201 Stone St, Port Huron, MI 48060-3563.
- What is Riad R. Hajjar MD PC's phone number?
- The practice phone number listed in the NPPES registry for Riad R. Hajjar MD PC is (810) 966-9556.
- Does Riad R. Hajjar MD PC accept Medicare?
- Riad R. Hajjar MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Riad R. Hajjar MD PC?
- The authorized official listed on Riad R. Hajjar MD PC's NPPES record is Carol Klann, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Riad R. Hajjar MD PC's NPI active?
- Yes — Riad R. Hajjar MD PC's NPI (1164620753) is active in the NPPES registry as of the last update on 2009-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.