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DR. WILLIAM MARSHALL GUY M.D.
NPI 1073844957
Otolaryngology - Facial Plastic Surgery in Shenandoah, TX

Active since January 16, 2010PECOS EnrolledAccepts Medicare Assignment
128 VISION PARK BLVD, SUITE 150, SHENANDOAH, TX 77384(832) 956-1040(832) 956-1045 Get Directions Write a Review

NPPES record last updated: September 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2024, Dec 10, 2015 (2 updates tracked since 2015).

About Dr. William Marshall Guy M.d. NPPES

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

DR. WILLIAM MARSHALL GUY M.D. (NPI 1073844957) is an individual facial plastic surgery provider in Shenandoah, Texas, licensed in Texas (P9864) and active in the NPI registry since January 2010. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of Baylor College Of Medicine (2009).

NPPES Registry Identity

NPI1073844957
Entity TypeIndividualMale
Primary Taxonomy207YS0123X
Provider Legal NameDR. WILLIAM MARSHALL GUYCredential: M.D.
Location Address128 VISION PARK BLVD, SUITE 150Shenandoah, TX 77384-3017
Mailing Address128 Vision Park Blvd, Suite 150Shenandoah, TX 77384-3017 · (832) 956-1040 · Fax (832) 956-1045
Phone(832) 956-1040
Fax(832) 956-1045
Sole ProprietorYes
Medical School CMSBaylor College Of MedicineGraduated 2009
Enumeration DateJanuary 16, 2010
Last NPPES UpdateSeptember 26, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2024
✔ NPI 1073844957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Facial Plastic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207YS0123X
Licenses✔ Licensed in TX · P9864✔ Licensed in AL · 32968
Definition
An otolaryngologist who specializes in facial plastic surgery.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License BP10034383 (TX)
128 VISION PARK BLVD, Shenandoah, TX 77384
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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 Texas.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. William Marshall Guy 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 ID9032439419
PECOS Enrollment IDI20150527000404
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 Guy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

W. Marshall Guy, MD PLLC
Same address
Facial Plastic Surgery
128 VISION PARK BLVD STE 150
Shenandoah, TX 77384
  • Reassigned Medicare billing, Texas enrollment
NPI 1154717445 (713) 492-8929

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 4

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

JASMINE R KHAN M D P A
Internal Medicine (Cardiovascular Disease)
128 VISION PARK BLVD, SUITE 145
SHENANDOAH, TX 77384
Montgomery County (281) 606-5355
HEATHER BETH KAMINSKI
Counselor (Mental Health)
128 VISION PARK BLVD
SHENANDOAH, TX 77384
Montgomery County (832) 669-3028
NORTH HOUSTON GYNECOLOGIC ONCOLOGY SURGEONS PLLC
Obstetrics & Gynecology (Gynecologic Oncology)
128 VISION PARK BLVD, 280
SHENANDOAH, TX 77384
Montgomery County (281) 292-1400
DR. JASMINE RAFEEK KHAN M.D.
Internal Medicine (Cardiovascular Disease)
128 VISION PARK BLVD, SUITE 145
SHENANDOAH, TX 77384
Montgomery County (281) 606-5355

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 Guy's NPI number?

The NPI number for William Guy is 1073844957. It was assigned to this individual provider in the NPPES registry on January 16, 2010.

Where is William Guy located?

William Guy practices at 128 Vision Park Blvd Suite 150, Shenandoah, TX 77384. The listed phone number is (832) 956-1040.

What is William Guy's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Facial Plastic Surgery, with taxonomy code 207YS0123X.

Is William Guy enrolled in Medicare?

Yes. William Guy 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 Guy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Guy reassigns Medicare benefits to W. Marshall Guy, MD PLLC (Shenandoah, 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 Guy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Guy accept?

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

According to CMS data, William Guy is affiliated with Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for William Guy was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.