DR. KARL ARMISTEAD ILLIG M.D.
NPI 1023053303
Surgery - Vascular Surgery in Tampa, FL
About Dr. Karl Armistead Illig M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARL ARMISTEAD ILLIG M.D. (NPI 1023053303) is an individual vascular surgery provider in Tampa, Florida, licensed in Florida (ME111162) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ad Hospital East, Llc, and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Karl Armistead Illig 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
2Medicare enrollment records show Karl Illig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77090
- Reassigned Medicare billing, Texas enrollment
- 32 clinicians in this Medicare group
Houston, TX 77027
- Reassigned Medicare billing, Texas enrollment
- 139 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ad Hospital East, LLC
Acute Care Hospitals · Houston, TXAltus Baytown Hospital
Acute Care Hospitals · Baytown, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TAMPA, FL 33606
TAMPA, FL 33606
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 Karl Illig's NPI number?
The NPI number for Karl Illig is 1023053303. It was assigned to this individual provider in the NPPES registry on June 19, 2006.
Where is Karl Illig located?
Karl Illig practices at 2 Tampa General Cir Usf Vascular Surgery Ste.300, Tampa, FL 33606. The listed phone number is (813) 259-0921.
What is Karl Illig's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Karl Illig enrolled in Medicare?
Yes. Karl Illig 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 Karl Illig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Illig reassigns Medicare benefits to 2 organizations: 1960 Physician Associates (Houston, TX) and Advanced Surgeons & Physicians Network, Inc. (Houston, 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 Karl Illig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Illig accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 4 other insurers list Karl Illig 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 Karl Illig affiliated with any hospitals?
According to CMS data, Karl Illig is affiliated with Ad Hospital East, LLC and Altus Baytown Hospital.
When was this NPI record last updated?
The NPPES record for Karl Illig was last updated on May 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Karl Armistead Illig, M.D. · NPI 1023053303
Vascular Surgery physician in Tampa, Florida. Individual provider, active in the CMS NPPES registry since June 19, 2006.
## Identity
- **NPI:** 1023053303 (Entity type: Individual)
- **Enumerated:** June 19, 2006
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** ME111162 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 TAMPA GENERAL CIR, USF VASCULAR SURGERY STE.300, Tampa, FL 33606-3603
- **Phone:** (813) 259-0921 · **Fax:** (813) 259-0606
## 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): 1960 Physician Associates (NPI 1215391941, Houston, TX); Advanced Surgeons & Physicians Network, Inc. (NPI 1508030917, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** May 1, 2018
- **Other identifiers:** Medicaid 004120700 (FL); Other 14H55 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1023053303) · Data from the CMS NPPES public registry.