MRS. MELISSA REIN HARDIN D.O.
NPI 1518222199
Pathology - Anatomic Pathology & Clinical Pathology in Austin, TX
About Mrs. Melissa Rein Hardin D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MELISSA REIN HARDIN D.O. (NPI 1518222199) is an individual anatomic pathology & clinical pathology provider in Austin, Texas, licensed in Texas (Q6423) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with Ascension Providence, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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
Mrs. Melissa Rein Hardin 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 Melissa Hardin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78731
- Reassigned Medicare billing, Texas enrollment
- 73 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 118 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 18
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.
Ascension Providence
Acute Care Hospitals · Waco, TXAdventhealth Central Texas
Acute Care Hospitals · Killeen, TXGlen Rose Medical Center
Acute Care Hospitals · Glen Rose, TXLake Granbury Medical Center
Acute Care Hospitals · Granbury, TXCoryell Memorial Hospital
Critical Access Hospitals · Gatesville, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78731 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.
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 Melissa Hardin's NPI number?
The NPI number for Melissa Hardin is 1518222199. It was assigned to this individual provider in the NPPES registry on July 10, 2012.
Where is Melissa Hardin located?
Melissa Hardin practices at 3445 Executive Center Dr. Ste 250, Austin, TX 78731. The listed phone number is (512) 579-4000.
What is Melissa Hardin's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Melissa Hardin enrolled in Medicare?
Yes. Melissa Hardin 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 Melissa Hardin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Hardin reassigns Medicare benefits to 2 organizations: Hurt, Jacknow, Moore, Connor, Wells, Michels, Yurco, Listrom & Huang (Austin, TX) and Baylor College Of Medicine (Pasadena, 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 Melissa Hardin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Hardin accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Melissa Hardin 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 Melissa Hardin affiliated with any hospitals?
According to CMS data, Melissa Hardin is affiliated with Ascension Providence, Adventhealth Central Texas, Glen Rose Medical Center, Lake Granbury Medical Center and Coryell Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Melissa Hardin was last updated on July 31, 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.