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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BRANDON HAYS MD
NPI 1194221010
Obstetrics & Gynecology in Knoxville, TN

Active since March 30, 2018PECOS Enrolled
9430 PARK WEST BLVD STE 320, KNOXVILLE, TN 37923(865) 769-4444(865) 769-4418 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 29, 2023, Mar 30, 2018 (2 updates tracked since 2018).

About Dr. Brandon Hays Md NPPES

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

DR. BRANDON HAYS MD (NPI 1194221010) is an individual obstetrics & gynecology provider in Knoxville, Tennessee, licensed in Tennessee (67971) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Parkwest Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1194221010
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. BRANDON HAYSCredential: MD
Location Address9430 PARK WEST BLVD STE 320Knoxville, TN 37923-4209
Mailing Address9430 Park West Blvd Ste 320Knoxville, TN 37923-4209 · (865) 769-4444 · Fax (865) 769-4418
Phone(865) 769-4444
Fax(865) 769-4418
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 30, 2018
Last NPPES UpdateOctober 19, 20262 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1194221010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TN · 67971
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
9430 PARK WEST BLVD STE 320, Knoxville, TN 37923
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare, UnitedHealthcare.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. Brandon Hays Md 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 ID4789934027
PECOS Enrollment IDI20231027000056
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 Reassignment

Medicare enrollment records show Brandon Hays reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Generations Obgyn,p.C.
Same address
Specialist
9430 PARK WEST BLVD STE 320
Knoxville, TN 37923
  • Reassigned Medicare billing, Tennessee enrollment
  • 12 clinicians in this Medicare group
NPI 1144361619 (865) 769-4444

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

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.

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Parkwest Medical Center

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440173
Location9352 Park West BlvdKnoxville, TN 37923 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37923 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

GENERATIONS OBGYN,P.C.
Specialist
9430 PARK WEST BLVD STE 320
KNOXVILLE, TN 37923
Knox County (865) 769-4444
KRISTEN MICHELLE LILLY MD
Obstetrics & Gynecology
9430 PARK WEST BLVD STE 320
KNOXVILLE, TN 37923
Knox County (865) 769-4444

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 Brandon Hays's NPI number?

The NPI number for Brandon Hays is 1194221010. It was assigned to this individual provider in the NPPES registry on March 30, 2018.

Where is Brandon Hays located?

Brandon Hays practices at 9430 Park West Blvd Ste 320, Knoxville, TN 37923. The listed phone number is (865) 769-4444.

What is Brandon Hays's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Brandon Hays enrolled in Medicare?

Yes. Brandon Hays 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 organization bills Medicare for Brandon Hays's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brandon Hays reassigns Medicare benefits to Generations Obgyn,p.C. (Knoxville, TN). The 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 Brandon Hays's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brandon Hays accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare and UnitedHealthcare list Brandon Hays 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 Brandon Hays affiliated with any hospitals?

According to CMS data, Brandon Hays is affiliated with Parkwest Medical Center.

When was this NPI record last updated?

The NPPES record for Brandon Hays was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.