WILLIAM J DEATON DO
NPI 1336181981
Emergency Medicine in Grand Haven, MI
About William J Deaton Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM J DEATON DO (NPI 1336181981) is an individual emergency medicine provider in Grand Haven, Michigan, licensed in Michigan (5101015965) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and maintains a secondary practice location in Park Falls.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 8
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
William J Deaton Do 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
11Medicare enrollment records show William Deaton reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Muskegon, MI 49444
- Reassigned Medicare billing, Michigan enrollment
- 61 clinicians in this Medicare group
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Juneau, WI 53039
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Grand Marais, MN 55604
- Reassigned Medicare billing, Minnesota enrollment
- 81 clinicians in this Medicare group
Wheaton, MN 56296
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1043218753 (Minnesota)
- 219 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.
Trinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MITrinity Health Grand Haven Hospital
Acute Care Hospitals · Grand Haven, MIMercy Health Lakeshore Campus
Critical Access Hospitals · Shelby, MISanford Thief River Falls Medical Center
Critical Access Hospitals · Thief River Falls, MNFlambeau Hospital
Critical Access Hospitals · Park Falls, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49417 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 William Deaton's NPI number?
The NPI number for William Deaton is 1336181981. It was assigned to this individual provider in the NPPES registry on June 11, 2006.
Where is William Deaton located?
William Deaton practices at 13872 128th Ave, Grand Haven, MI 49417. The listed phone number is (616) 856-1264.
What is William Deaton's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Deaton enrolled in Medicare?
Yes. William Deaton 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 William Deaton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Deaton reassigns Medicare benefits to 11 organizations: Lake Michigan Observation Services PLLC (Muskegon, MI), Lake Michigan Emergency Specialists, PLLC (Muskegon, MI), Beaver Dam Community Hospitals Inc (Juneau, WI), Mchs Hospitals, Inc. (Plover, WI), Marshfield Clinic Inc (Marshfield, WI) and 6 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 William Deaton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Deaton affiliated with any hospitals?
According to CMS data, William Deaton is affiliated with Trinity Health Muskegon Hospital, Trinity Health Grand Haven Hospital, Mercy Health Lakeshore Campus, Sanford Thief River Falls Medical Center and Flambeau Hospital.
When was this NPI record last updated?
The NPPES record for William Deaton was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# William J Deaton, DO · NPI 1336181981
Emergency Medicine physician in Grand Haven, Michigan. Individual provider, active in the CMS NPPES registry since June 11, 2006.
## Identity
- **NPI:** 1336181981 (Entity type: Individual)
- **Enumerated:** June 11, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101015965 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 13872 128TH AVE, Grand Haven, MI 49417-9775
- **Phone:** (616) 856-1264
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Lake Michigan Observation Services PLLC (NPI 1518626043, Muskegon, MI); Lake Michigan Emergency Specialists, PLLC (NPI 1124574520, Muskegon, MI); Beaver Dam Community Hospitals Inc (NPI 1831410521, Juneau, WI); Mchs Hospitals, Inc. (NPI 1386249894, Plover, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kansas City University Of Med & Biosciences, College Of Osteo Med, class of 2004
## Record status
- **NPPES last updated:** January 16, 2026
- **Other identifiers:** Medicaid 4878730 (MI); Medicaid 4878650 (MI); Medicaid 4878749 (MI); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1336181981) · Data from the CMS NPPES public registry.