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WILLIAM STEELE SESSIONS II MD
NPI 1265090229
Internal Medicine - Hematology & Oncology in Lubbock, TX

Active since June 04, 2019PECOS EnrolledAccepts Medicare Assignment
602 INDIANA AVE, LUBBOCK, TX 79430(806) 775-8600(806) 775-8602 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 1, 2022, Jul 22, 2022, Jun 4, 2019 (3 updates tracked since 2019).

About William Steele Sessions Ii Md NPPES

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

WILLIAM STEELE SESSIONS II MD (NPI 1265090229) is an individual hematology & oncology provider in Lubbock, Texas, licensed in Texas (U4928) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with University Medical Center, and maintains a secondary practice location in Greenville.

NPPES Registry Identity

NPI1265090229
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameWILLIAM STEELE SESSIONS IICredential: MD
Location Address602 INDIANA AVELubbock, TX 79430-0002
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603
Phone(806) 775-8600
Fax(806) 775-8602
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2019
Enumeration DateJune 4, 2019
Last NPPES UpdateJune 10, 20263 updates tracked since enumeration
NPPES CertifiedJune 10, 2026
✔ NPI 1265090229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in TX · U4928
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
602 INDIANA AVE, Lubbock, TX 79430
Open in Google Maps ↗

Secondary Practice Location 1

Location 1701 Grove RdGreenville, SC 29605-4210 · Phone (864) 455-4411 · Fax (864) 455-4480

Other Identifiers 1

MedicaidPENDINGSC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare.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

William Steele Sessions Ii 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 ID42643009
PECOS Enrollment IDI20260625001375
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 William Sessions reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Tech University Health Sciences Center Lubbock
0.1 mi
Podiatrist
3601 4TH ST
Lubbock, TX 79430
  • Reassigned Medicare billing, Texas enrollment
  • 685 clinicians in this Medicare group
NPI 1538239769 (806) 743-2475

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

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

University Medical Center

Acute Care Hospitals · Lubbock, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450686
Location602 Indiana AvenueLubbock, TX 79415 · Lubbock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79430 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
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

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

DR. JOY CATHERINE TENPENNY M.D.
Pediatrics (Neonatal-Perinatal Medicine)
602 INDIANA AVE
LUBBOCK, TX 79430
Lubbock County (806) 775-8808

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 William Sessions's NPI number?

The NPI number for William Sessions is 1265090229. It was assigned to this individual provider in the NPPES registry on June 4, 2019.

Where is William Sessions located?

William Sessions practices at 602 Indiana Ave, Lubbock, TX 79430. The listed phone number is (806) 775-8600.

What is William Sessions's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is William Sessions enrolled in Medicare?

Yes. William Sessions 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 William Sessions's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Sessions reassigns Medicare benefits to Texas Tech University Health Sciences Center Lubbock (Lubbock, TX). 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 William Sessions's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Sessions accept?

Health plans from Blue Cross and Blue Shield of Texas and Cigna Healthcare list William Sessions 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 William Sessions affiliated with any hospitals?

According to CMS data, William Sessions is affiliated with University Medical Center.

When was this NPI record last updated?

The NPPES record for William Sessions was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.