CASSIE HARTLINE M.D.
NPI 1316333966
Surgery - Plastic and Reconstructive Surgery in Houston, TX

Active since April 10, 2015PECOS EnrolledAccepts Medicare Assignment
9230 KATY FWY STE 600, HOUSTON, TX 77055(713) 791-0700 Get Directions Write a Review

NPPES record last updated: August 10, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 10, 2023, Jun 16, 2020 (2 updates tracked since 2020).

About Cassie Hartline M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CASSIE HARTLINE M.D. (NPI 1316333966) is an individual plastic and reconstructive surgery provider in Houston, Texas, licensed in Texas (S4966) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of University Of Texas Medical School At San Antonio (2015).

NPPES Registry Identity

NPI1316333966
Entity TypeIndividualFemale
Primary Taxonomy2086S0122X
Provider Legal NameCASSIE HARTLINECredential: M.D.
Location Address9230 KATY FWY STE 600Houston, TX 77055-7468
Mailing Address1441 N Beckley AveDallas, TX 75203-1201
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2015
Enumeration DateApril 10, 2015
Last NPPES UpdateAugust 10, 20232 updates tracked since enumeration
NPPES CertifiedAugust 10, 2023
✔ NPI 1316333966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Plastic and Reconstructive SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0122X
License✔ Licensed in TX · S4966
Definition
A surgeon who specializes in plastic and reconstructive surgery.
9230 KATY FWY STE 600, Houston, TX 77055

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

Cassie Hartline 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.

PECOS PAC ID3375832173
PECOS Enrollment IDI20241003000350
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Cassie Hartline reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Plastic Surgery
9230 KATY FWY STE 600
Houston, TX 77055
  • Reassigned Medicare billing, Texas enrollment
  • 9 clinicians in this Medicare group
Plastic and Reconstructive Surgery
9635 HUEBNER RD
San Antonio, TX 78240
  • Reassigned Medicare billing, Texas enrollment
  • 28 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.

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Plastic and Reconstructive Surgery)
9230 KATY FWY STE 600
HOUSTON, TX 77055
Surgery (Plastic and Reconstructive Surgery)
9230 KATY FWY STE 600
HOUSTON, TX 77055
Otolaryngology
9230 KATY FWY STE 600
HOUSTON, TX 77055
Registered Nurse
9230 KATY FWY STE 600
HOUSTON, TX 77055
Plastic Surgery
9230 KATY FWY STE 600
HOUSTON, TX 77055
Plastic Surgery
9230 KATY FWY STE 600
HOUSTON, TX 77055
Surgery (Plastic and Reconstructive Surgery)
9230 KATY FWY STE 600
HOUSTON, TX 77055
Physician Assistant
9230 KATY FWY STE 600
HOUSTON, TX 77055

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 Cassie Hartline's NPI number?

The NPI number for Cassie Hartline is 1316333966. It was assigned to this individual provider in the NPPES registry on April 10, 2015.

Where is Cassie Hartline located?

Cassie Hartline practices at 9230 Katy Fwy Ste 600, Houston, TX 77055. The listed phone number is (713) 791-0700.

What is Cassie Hartline's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.

Is Cassie Hartline enrolled in Medicare?

Yes. Cassie Hartline 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 Cassie Hartline's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Hartline reassigns Medicare benefits to 2 organizations: Sean Boutros MD PLLC (Houston, TX) and Plastic, Reconstructive & Microsurgical Associates Of South Texas PLLC (San Antonio, 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 Cassie Hartline's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassie Hartline accept?

Health plans from Blue Cross and Blue Shield of Texas list Cassie Hartline 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 Cassie Hartline affiliated with any hospitals?

According to CMS data, Cassie Hartline is affiliated with Memorial Hermann Hospital System and Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for Cassie Hartline was last updated on August 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.