DR. HECTOR A DOX M.D.
NPI 1154324895
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Columbus, MS
About Dr. Hector A Dox M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HECTOR A DOX M.D. (NPI 1154324895) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Columbus, Mississippi, licensed in Ohio (35067151) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Springfield, and is a graduate of University Of Puerto Rico School Of Medicine (1988).
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. Hector A Dox M.d. 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 Hector Dox reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cape Girardeau, MO 63701
- Reassigned Medicare billing, Missouri enrollment
- 470 clinicians in this Medicare group
Birch Tree, MO 65438
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245277631 (Missouri)
- 1,487 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1528192416 (Missouri)
- 23 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- 562 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 5
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.
Mercy Hospital Springfield
Acute Care Hospitals · Springfield, MOMercy Hospital Southeast
Acute Care Hospitals · Cape Girardeau, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39705 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 2
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 Hector Dox's NPI number?
The NPI number for Hector Dox is 1154324895. It was assigned to this individual provider in the NPPES registry on May 25, 2005.
Where is Hector Dox located?
Hector Dox practices at 255 Baptist Blvd Ste 401, Columbus, MS 39705. The listed phone number is (662) 244-2288.
What is Hector Dox's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Hector Dox enrolled in Medicare?
Yes. Hector Dox 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 Hector Dox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hector Dox reassigns Medicare benefits to 4 organizations: Southeast Missouri Hospital Physicians, LLC (Cape Girardeau, MO), Mercy Clinic Springfield Communities (Birch Tree, MO), Mercy Clinic Cardiovascular And Thoracic Surgery, LLC (Saint Louis, MO) and Mercy Clinic Joplin LLC (Carthage, MO). 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 Hector Dox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hector Dox accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Hector Dox 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 Hector Dox affiliated with any hospitals?
According to CMS data, Hector Dox is affiliated with Mercy Hospital Springfield and Mercy Hospital Southeast.
When was this NPI record last updated?
The NPPES record for Hector Dox was last updated on October 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Hector A Dox, M.D. · NPI 1154324895
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Columbus, Mississippi. Individual provider, active in the CMS NPPES registry since May 25, 2005.
## Identity
- **NPI:** 1154324895 (Entity type: Individual)
- **Enumerated:** May 25, 2005
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 35067151 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 255 BAPTIST BLVD STE 401, Columbus, MS 39705-2006
- **Phone:** (662) 244-2288 · **Fax:** (662) 244-2289
## 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): Southeast Missouri Hospital Physicians, LLC (NPI 1558311522, Cape Girardeau, MO); Mercy Clinic Springfield Communities (NPI 1811065477, Birch Tree, MO); Mercy Clinic Cardiovascular And Thoracic Surgery, LLC (NPI 1538181466, Saint Louis, MO); Mercy Clinic Joplin LLC (NPI 1477822567, Carthage, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Puerto Rico School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** October 21, 2016
- **Other identifiers:** Medicare PIN 507460YK4L (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1154324895) · Data from the CMS NPPES public registry.