STUART A. HARLIN M.D.
NPI 1568435618
Surgery - Vascular Surgery in Katy, TX
About Stuart A. Harlin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STUART A. HARLIN M.D. (NPI 1568435618) is an individual vascular surgery provider in Katy, Texas, licensed in Texas (H4382) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 4
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
Stuart A. Harlin 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
3Medicare enrollment records show Stuart Harlin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Katy, TX 77450
- Reassigned Medicare billing, Texas enrollment
- 14 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 3,111 clinicians in this Medicare group
Jacksonville, FL 32204
- Reassigned Medicare billing, Florida enrollment
- 102 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 25
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.
Sacred Heart Hospital
Acute Care Hospitals · Pensacola, FLBaptist Hospital
Acute Care Hospitals · Pensacola, FLHca Florida West Hospital
Acute Care Hospitals · Pensacola, FLMemorial Hermann - Texas Medical Center
Acute Care Hospitals · Houston, TXMemorial Hermann Katy Hospital
Acute Care Hospitals · Katy, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77494 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.
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.
KATY, TX 77494
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 Stuart Harlin's NPI number?
The NPI number for Stuart Harlin is 1568435618. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is Stuart Harlin located?
Stuart Harlin practices at 23920 Katy Fwy Ste 400, Katy, TX 77494. The listed phone number is (713) 486-8346.
What is Stuart Harlin's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Stuart Harlin enrolled in Medicare?
Yes. Stuart Harlin 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 Stuart Harlin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stuart Harlin reassigns Medicare benefits to 3 organizations: Rahul Prakash, M.D., P.A. (Katy, TX), Ut Physicians (Houston, TX) and Cardiothoracic & Vascular Surgical Associates PA (Jacksonville, FL). 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 Stuart Harlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stuart Harlin 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 9 other insurers list Stuart Harlin 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 Stuart Harlin affiliated with any hospitals?
According to CMS data, Stuart Harlin is affiliated with Sacred Heart Hospital, Baptist Hospital, Hca Florida West Hospital, Memorial Hermann - Texas Medical Center and Memorial Hermann Katy Hospital.
When was this NPI record last updated?
The NPPES record for Stuart Harlin was last updated on November 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.