DR. MICHAEL ANDREW DUNN D.O.
NPI 1821374695
Family Medicine in Sinton, TX
About Dr. Michael Andrew Dunn D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ANDREW DUNN D.O. (NPI 1821374695) is an individual family medicine provider in Sinton, Texas, licensed in Texas (P0042) and active in the NPI registry since October 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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. Michael Andrew Dunn 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
2Medicare enrollment records show Michael Dunn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corpus Christi, TX 78405
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: C H Wilkinson Physician Network
- 179 clinicians in this Medicare group
Corpus Christi, TX 78404
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Wellmed Medical Group PA
- 762 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78387 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Dunn's NPI number?
The NPI number for Michael Dunn is 1821374695. It was assigned to this individual provider in the NPPES registry on October 25, 2011.
Where is Michael Dunn located?
Michael Dunn practices at 8168 Hwy 77, Sinton, TX 78387. The listed phone number is (361) 364-2804.
What is Michael Dunn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Michael Dunn enrolled in Medicare?
Yes. Michael Dunn 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 Michael Dunn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Dunn reassigns Medicare benefits to 2 organizations: Ch Wilkinson Physician Network (Corpus Christi, TX) and Wellmed Medical Group, P.A. (Corpus Christi, TX). 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 Michael Dunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Dunn was last updated on June 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Michael Andrew Dunn, D.O. · NPI 1821374695
Family Medicine physician in Sinton, Texas. Individual provider, active in the CMS NPPES registry since October 25, 2011.
## Identity
- **NPI:** 1821374695 (Entity type: Individual)
- **Enumerated:** October 25, 2011
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** P0042 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8168 HWY 77, Sinton, TX 78387-9746
- **Phone:** (361) 364-2804 · **Fax:** (361) 364-5014
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ch Wilkinson Physician Network (NPI 1942356043, Corpus Christi, TX); Wellmed Medical Group, P.A. (NPI 1154629434, Corpus Christi, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Texas Hsc, College Of Osteopathic Med, class of 2009
## Record status
- **NPPES last updated:** June 28, 2024
- **Other identifiers:** Medicaid 303296303 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1821374695) · Data from the CMS NPPES public registry.