OrganizationActive
Hesham E Gayar, MD, PC
NPI 1790955045 · Specialist · Owosso, MI
Hesham E Gayar, MD, PC is a Specialist organization in Owosso, MI (NPI 1790955045).
Provider details
- NPI number
- 1790955045
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Susan Knopp, Billing Manager(810) 342-3813
- License
- 4301056934 (MI)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
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
721 N. Shiawassee Street
Suite a
Owosso, MI 48867
Phone: (989) 723-1495
Fax: (810) 342-3874
Street-level locationGet directions
Mailing address
Po Box 1236
Grand Blanc, MI 48480-3236
Other names (DBA / former)
- Doing business as
- Radiation Oncology Consultants, PC
Registry dates
- Enumerated
- 2008-03-03
- Last updated
- 2009-10-06
Frequently asked questions
- What is Hesham E Gayar, MD, PC's NPI number?
- Hesham E Gayar, MD, PC's National Provider Identifier (NPI) is 1790955045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hesham E Gayar, MD, PC?
- Hesham E Gayar, MD, PC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Hesham E Gayar, MD, PC located?
- Hesham E Gayar, MD, PC's practice location on file with NPPES is 721 N. Shiawassee Street, Owosso, MI 48867.
- What is Hesham E Gayar, MD, PC's phone number?
- The practice phone number listed in the NPPES registry for Hesham E Gayar, MD, PC is (989) 723-1495.
- Who is the authorized official for Hesham E Gayar, MD, PC?
- The authorized official listed on Hesham E Gayar, MD, PC's NPPES record is Susan Knopp, Billing Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hesham E Gayar, MD, PC's NPI active?
- Yes — Hesham E Gayar, MD, PC's NPI (1790955045) is active in the NPPES registry as of the last update on 2009-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.