OrganizationActive
Mark S. Feldman, M.D. P.C.
NPI 1851735450 · Specialist · Belleville, IL
Mark S. Feldman, M.D. P.C. is a Specialist organization in Belleville, IL (NPI 1851735450).
Provider details
- NPI number
- 1851735450
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Dana Miles, Office Manager(618) 233-3661
- License
- 036058043 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
311 W Lincoln St
Suite 100
Belleville, IL 62220-1902
Phone: (618) 233-3661
Fax: (618) 233-0992
Street-level locationGet directions
Mailing address
311 W Lincoln St
Belleville, IL 62220-1902
Other names (DBA / former)
- Doing business as
- Mark S. Feldman, M.D.
Registry dates
- Enumerated
- 2013-04-25
- Last updated
- 2013-04-25
Frequently asked questions
- What is Mark S. Feldman, M.D. P.C.'s NPI number?
- Mark S. Feldman, M.D. P.C.'s National Provider Identifier (NPI) is 1851735450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark S. Feldman, M.D. P.C.?
- Mark S. Feldman, M.D. P.C. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Mark S. Feldman, M.D. P.C. located?
- Mark S. Feldman, M.D. P.C.'s practice location on file with NPPES is 311 W Lincoln St, Belleville, IL 62220-1902.
- What is Mark S. Feldman, M.D. P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Mark S. Feldman, M.D. P.C. is (618) 233-3661.
- Who is the authorized official for Mark S. Feldman, M.D. P.C.?
- The authorized official listed on Mark S. Feldman, M.D. P.C.'s NPPES record is Dana Miles, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark S. Feldman, M.D. P.C.'s NPI active?
- Yes — Mark S. Feldman, M.D. P.C.'s NPI (1851735450) is active in the NPPES registry as of the last update on 2013-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.