JOHN WILLIAM DUFF MD
NPI 1225125222
Family Medicine in Midland, MI
About John William Duff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN WILLIAM DUFF MD (NPI 1225125222) is an individual family medicine provider in Midland, Michigan, licensed in Michigan (JD088515) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Mymichigan Medical Center Clare, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John William Duff 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.
Areas of Expertise CMS Part B claims 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mymichigan Medical Center Clare
Acute Care Hospitals · Clare, MIMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIMymichigan Medical Center Gladwin
Critical Access Hospitals · Gladwin, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48640 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 Duff's NPI number?
The NPI number for John Duff is 1225125222. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is John Duff located?
John Duff practices at 2213 Dilloway Dr, Midland, MI 48640. The listed phone number is (989) 493-3882.
What is John Duff's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Duff enrolled in Medicare?
Yes. John Duff 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.
What insurance does John Duff accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and McLaren Health Plan Community list John Duff 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 Duff affiliated with any hospitals?
According to CMS data, John Duff is affiliated with Mymichigan Medical Center Clare, Mymichigan Medical Center Midland and Mymichigan Medical Center Gladwin.
When was this NPI record last updated?
The NPPES record for John Duff was last updated on April 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 William Duff, MD · NPI 1225125222
Family Medicine physician in Midland, Michigan. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1225125222 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** JD088515 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 2213 DILLOWAY DR, Midland, MI 48640-6767
- **Phone:** (989) 493-3882
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** April 18, 2011
- **Other identifiers:** Other 4301088515 (MI); Medicare PIN MI1609076 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1225125222) · Data from the CMS NPPES public registry.