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MR. WILLIAM DANIEL SPENCER M.S.
NPI 1104102896
Speech-Language Pathologist in Saint Louis, MO

Active since October 26, 2011Accepts Medicare Assignment
801 N 11TH ST, SAINT LOUIS, MO 63101(314) 231-3720 Get Directions Write a Review

NPPES record last updated: October 26, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. William Daniel Spencer M.s. NPPES

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

MR. WILLIAM DANIEL SPENCER M.S. (NPI 1104102896) is an individual speech-language pathologist provider in Saint Louis, Missouri and active in the NPI registry since October 2011. He is a graduate of Other (2011).

NPPES Registry Identity

NPI1104102896
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameMR. WILLIAM DANIEL SPENCERCredential: M.S.
Location Address801 N 11TH STSaint Louis, MO 63101-1015
Mailing Address801 N 11th StSaint Louis, MO 63101-1015 · (314) 231-3720
Phone(314) 231-3720
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateOctober 26, 2011
✔ NPI 1104102896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
801 N 11TH ST, Saint Louis, MO 63101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas City.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

Mr. William Daniel Spencer M.s. 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 ID5991041071
PECOS Enrollment IDI20190110000828

Medicare Billing Reassignments

2

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

Empowerme Rehabilitation Missouri LLC
19 mi
Multi-Specialty
1800 1ST CAPITOL DR
Saint Charles, MO 63301
  • Reassigned Medicare billing, Missouri enrollment
  • 268 clinicians in this Medicare group
NPI 1417479494 (844) 502-7996
Empowerme Wellness Kansas City, LLC
244 mi
Multi-Specialty
9101 N AMBASSADOR DR
Kansas City, MO 64154
  • Reassigned Medicare billing, Missouri enrollment
  • 201 clinicians in this Medicare group
NPI 1083208391 (844) 502-7996

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

RACHEL KATHLEEN CARDACI
Speech-Language Pathologist
801 N 11TH ST
SAINT LOUIS, MO 63101
St. Louis City (314) 633-5300
MRS. PATRICIA VEIT OTR/L
Occupational Therapist
801 N 11TH ST, MEDICAID DEPT
SAINT LOUIS, MO 63101
St. Louis City (314) 345-2308
CASEY STALLINGS
Speech-Language Pathologist
801 N 11TH ST
SAINT LOUIS, MO 63101
St. Louis City (314) 633-5354
MAYA ELIZABETH JACKSON OTR/L
Occupational Therapist (Pediatrics)
801 N 11TH ST
SAINT LOUIS, MO 63101
St. Louis City (615) 031-4331
MRS. LAUREN CAMILLE BUCHER OTRL
Occupational Therapist (Pediatrics)
801 N 11TH ST, MEDICAID DEPARTMENT
SAINT LOUIS, MO 63101
St. Louis City (314) 345-2535
COLLEEN NORDQUIST OTR/L
Occupational Therapist
801 N 11TH ST
SAINT LOUIS, MO 63101
St. Louis City (314) 231-3720
MEGHAN C HUNT
Speech-Language Pathologist
801 N 11TH ST
SAINT LOUIS, MO 63101
St. Louis City (314) 231-3720
KATE CHRISTINE STEINGRUBEY OTR/L
Occupational Therapist
801 N 11TH ST
SAINT LOUIS, MO 63101
St. Louis City (314) 231-3720

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 Spencer's NPI number?

The NPI number for William Spencer is 1104102896. It was assigned to this individual provider in the NPPES registry on October 26, 2011.

Where is William Spencer located?

William Spencer practices at 801 N 11th St, Saint Louis, MO 63101. The listed phone number is (314) 231-3720.

What is William Spencer's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is William Spencer enrolled in Medicare?

Yes. William 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 organizations bill Medicare for William Spencer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Spencer reassigns Medicare benefits to 2 organizations: Empowerme Rehabilitation Missouri LLC (Saint Charles, MO) and Empowerme Wellness Kansas City, LLC (Kansas City, MO). 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 William Spencer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Spencer accept?

Health plans from Blue Cross and Blue Shield of Kansas City list William Spencer 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.

When was this NPI record last updated?

The NPPES record for William Spencer was last updated on October 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.