What is Mark S. Reiter, M.D., S.c.'s NPI number?

Mark S. Reiter, M.D., S.c.'s National Provider Identifier (NPI) is 1013226703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Mark S. Reiter, M.D., S.c.?

Mark S. Reiter, M.D., S.c. is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).

Where is Mark S. Reiter, M.D., S.c. located?

Mark S. Reiter, M.D., S.c.'s practice location on file with NPPES is 4400 W 95th St, Oak Lawn, IL 60453-2654.

What is Mark S. Reiter, M.D., S.c.'s phone number?

The practice phone number listed in the NPPES registry for Mark S. Reiter, M.D., S.c. is (708) 499-2323.

Who is the authorized official for Mark S. Reiter, M.D., S.c.?

The authorized official listed on Mark S. Reiter, M.D., S.c.'s NPPES record is Mark Reiter, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Mark S. Reiter, M.D., S.c.'s NPI active?

Yes — Mark S. Reiter, M.D., S.c.'s NPI (1013226703) is active in the NPPES registry as of the last update on 2010-09-29.

OrganizationActive

Mark S. Reiter, M.D., S.c.

NPI 1013226703 · Clinic/Center · Oak Lawn, IL

Mark S. Reiter, M.D., S.c. is a Clinic/Center organization in Oak Lawn, IL (NPI 1013226703).

Provider details

NPI number: 1013226703
Entity type: Organization
Primary specialty: Clinic/CenterAmbulatory Health Care Facilities
Organization subpart: No
Authorized official: Mark Reiter, Owner/President(708) 499-2323

Practice location

4400 W 95th St

Suite 405

Oak Lawn, IL 60453-2654

Phone: (708) 499-2323

Fax: (708) 499-2324

Street-level locationGet directions

More IL providers

Mailing address

4400 W 95th St

Oak Lawn, IL 60453-2654

Specialties & taxonomies

Clinic/CenterPrimary261Q00000X
Ambulatory Health Care Facilities

Profile Score

Detailed profile(83/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
16 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.

Enumerated: 2010-09-29
Last updated: 2010-09-29

Frequently asked questions

What is Mark S. Reiter, M.D., S.c.'s NPI number?: Mark S. Reiter, M.D., S.c.'s National Provider Identifier (NPI) is 1013226703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Mark S. Reiter, M.D., S.c.?: Mark S. Reiter, M.D., S.c. is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
Where is Mark S. Reiter, M.D., S.c. located?: Mark S. Reiter, M.D., S.c.'s practice location on file with NPPES is 4400 W 95th St, Oak Lawn, IL 60453-2654.
What is Mark S. Reiter, M.D., S.c.'s phone number?: The practice phone number listed in the NPPES registry for Mark S. Reiter, M.D., S.c. is (708) 499-2323.
Who is the authorized official for Mark S. Reiter, M.D., S.c.?: The authorized official listed on Mark S. Reiter, M.D., S.c.'s NPPES record is Mark Reiter, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Mark S. Reiter, M.D., S.c.'s NPI active?: Yes — Mark S. Reiter, M.D., S.c.'s NPI (1013226703) is active in the NPPES registry as of the last update on 2010-09-29.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions