JOHN D HARTMAN MD
NPI 1851399976
Family Medicine in Benton, IL
About John D Hartman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN D HARTMAN MD (NPI 1851399976) is an individual family medicine provider in Benton, Illinois, licensed in Illinois (036111331) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Saint Louis University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John D Hartman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Hartman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Benton, IL 62812
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1255369427 (Illinois)
- 34 clinicians in this Medicare group
West Frankfort, IL 62896
- Reassigned Medicare billing, Illinois enrollment
- 27 clinicians in this Medicare group
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 262 clinicians in this Medicare group
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 645 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILFranklin Hospital
Critical Access Hospitals · Benton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62812 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BENTON, IL 62812
BENTON, IL 62812
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Hartman's NPI number?
The NPI number for John Hartman is 1851399976. It was assigned to this individual provider in the NPPES registry on July 12, 2005.
Where is John Hartman located?
John Hartman practices at 201 Bailey Lane, Benton, IL 62812. The listed phone number is (618) 439-3161.
What is John Hartman's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Hartman enrolled in Medicare?
Yes. John Hartman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Hartman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hartman reassigns Medicare benefits to 4 organizations: Franklin Hospital District (Benton, IL), Southern Illinois Hospital Services (West Frankfort, IL), Board Of Trustees Of Southern Illinois University (Springfield, IL) and Siu Physicians & Surgeons, Inc (Springfield, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Hartman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Hartman accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Medica list John Hartman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Hartman affiliated with any hospitals?
According to CMS data, John Hartman is affiliated with Northwestern Medicine Central Dupage Hospital and Franklin Hospital.
When was this NPI record last updated?
The NPPES record for John Hartman was last updated on January 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John D Hartman, MD · NPI 1851399976
Family Medicine physician in Benton, Illinois. Individual provider, active in the CMS NPPES registry since July 12, 2005.
## Identity
- **NPI:** 1851399976 (Entity type: Individual)
- **Enumerated:** July 12, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036111331 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 201 BAILEY LANE, Benton, IL 62812-0000
- **Phone:** (618) 439-3161 · **Fax:** (618) 439-4049
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Franklin Hospital District (NPI 1699778951, Benton, IL); Southern Illinois Hospital Services (NPI 1154408581, West Frankfort, IL); Board Of Trustees Of Southern Illinois University (NPI 1396097960, Springfield, IL); Siu Physicians & Surgeons, Inc (NPI 1558385989, Springfield, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** January 19, 2012
- **Other identifiers:** Medicare ID-Type Unspecified K22097 (IL); Medicaid 036111331 (IL); Medicare UPIN I15206; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1851399976) · Data from the CMS NPPES public registry.