HILLARD THEOPHILUS SPENCER M.D.
NPI 1447574215
Orthopaedic Surgery in Los Angeles, CA

Active since March 22, 2010PECOS EnrolledAccepts Medicare Assignment
757 WESTWOOD PLZ, RM B-711 RRUCLA, LOS ANGELES, CA 90095(310) 825-4321 Get Directions Write a Review

NPPES record last updated: November 10, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hillard Theophilus Spencer M.d. NPPES

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

HILLARD THEOPHILUS SPENCER M.D. (NPI 1447574215) is an individual orthopaedic surgery provider in Los Angeles, California, licensed in California (A103107) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2006).

NPPES Registry Identity

NPI1447574215
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameHILLARD THEOPHILUS SPENCERCredential: M.D.
Location Address757 WESTWOOD PLZ, RM B-711 RRUCLALos Angeles, CA 90095-8358
Mailing Address757 Westwood Plz, Rm B711 RruclaLos Angeles, CA 90095-8358 · (310) 825-4321
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2006
Enumeration DateMarch 22, 2010
Last NPPES UpdateNovember 10, 2021
✔ NPI 1447574215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A103107
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
757 WESTWOOD PLZ, Los Angeles, CA 90095

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

Hillard Theophilus Spencer 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 ID7618128299
PECOS Enrollment IDI20121107000346
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 Hillard Spencer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
6041 CADILLAC AVE
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • 13,921 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 20

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

Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Pediatrics
757 WESTWOOD PLZ, B711 RRUMC
LOS ANGELES, CA 90095
Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Internal Medicine
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095

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 Hillard Spencer's NPI number?

The NPI number for Hillard Spencer is 1447574215. It was assigned to this individual provider in the NPPES registry on March 22, 2010.

Where is Hillard Spencer located?

Hillard Spencer practices at 757 Westwood Plz Rm B-711 Rrucla, Los Angeles, CA 90095. The listed phone number is (310) 825-4321.

What is Hillard Spencer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Hillard Spencer enrolled in Medicare?

Yes. Hillard Spencer 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 Hillard Spencer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillard Spencer reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). 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 Hillard Spencer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hillard Spencer was last updated on November 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.