DR. JOHN BUTLER DITCHMAN D.O.
NPI 1154410165
Emergency Medicine in Washington, MI
About Dr. John Butler Ditchman D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN BUTLER DITCHMAN D.O. (NPI 1154410165) is an individual emergency medicine provider in Washington, Michigan, licensed in Michigan (5101012503) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Harrisburg Medical Center, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. John Butler Ditchman D.o. 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
7Medicare enrollment records show John Ditchman reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Garden City, MI 48135
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 444 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 112 clinicians in this Medicare group
Lansing, MI 48910
- Reassigned Medicare billing, Michigan enrollment
- 295 clinicians in this Medicare group
Fort Wayne, IN 46805
- Reassigned Medicare billing, Indiana enrollment
- 162 clinicians in this Medicare group
Mount Carmel, IL 62863
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1194728808 (Illinois)
- 99 clinicians in this Medicare group
Harrisburg, IL 62946
- Reassigned Medicare billing, Illinois enrollment
- 169 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 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harrisburg Medical Center
Acute Care Hospitals · Harrisburg, ILWabash General Hospital 1
Critical Access Hospitals · Mount Carmel, ILParkview Whitley Hospital
Acute Care Hospitals · Columbia City, INMclaren Caro Region
Critical Access Hospitals · Caro, MIMclaren Thumb Region
Critical Access Hospitals · Bad Axe, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48094 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ditchman's NPI number?
The NPI number for John Ditchman is 1154410165. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is John Ditchman located?
John Ditchman practices at 57662 Grey Fox Gln, Washington, MI 48094. The listed phone number is (586) 786-7319.
What is John Ditchman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Ditchman enrolled in Medicare?
Yes. John Ditchman 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 Ditchman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ditchman reassigns Medicare benefits to 7 organizations: Ihp Mi Emergency Medicine PLLC (Garden City, MI), Mclaren Hospital Group (Flint, MI), Vituity - Michigan Em PC (Lansing, MI), Degara App, PLLC (Lansing, MI), Professional Emergency Physicians PC (Fort Wayne, IN) and 2 more organizations, listed in the Medicare section above. 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 Ditchman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Ditchman accept?
Health plans from CareSource list John Ditchman 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 Ditchman affiliated with any hospitals?
According to CMS data, John Ditchman is affiliated with Harrisburg Medical Center, Wabash General Hospital 1, Parkview Whitley Hospital, Mclaren Caro Region and Mclaren Thumb Region.
When was this NPI record last updated?
The NPPES record for John Ditchman was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.
# Dr. John Butler Ditchman, D.O. · NPI 1154410165
Emergency Medicine physician in Washington, Michigan. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1154410165 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101012503 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 57662 GREY FOX GLN, Washington, MI 48094-3587
- **Phone:** (586) 786-7319
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Ihp Mi Emergency Medicine PLLC (NPI 1861147456, Garden City, MI); Mclaren Hospital Group (NPI 1942026174, Flint, MI); Vituity - Michigan Em PC (NPI 1144892332, Lansing, MI); Degara App, PLLC (NPI 1265976971, Lansing, MI); Professional Emergency Physicians PC (NPI 1144215096, Fort Wayne, IN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** September 10, 2026
- **Other identifiers:** Medicaid 3391239 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1154410165) · Data from the CMS NPPES public registry.