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

DR. MIA WYNN GUZMAN M.D.
NPI 1295141570
Family Medicine in Houston, TX

Active since July 07, 2014PECOS Enrolled
18333 EGRET BAY BLVD STE 140, HOUSTON, TX 77058(281) 332-3001(281) 332-3005 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 2, 2026, Mar 16, 2023, Dec 7, 2022 and 3 more (6 updates tracked since 2019).

About Dr. Mia Wynn Guzman M.d. NPPES

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

DR. MIA WYNN GUZMAN M.D. (NPI 1295141570) is an individual family medicine provider in Houston, Texas, licensed in Texas (T3292) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1295141570
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MIA WYNN GUZMANCredential: M.D.
Location Address18333 EGRET BAY BLVD STE 140Houston, TX 77058-3239
Mailing Address18333 Egret Bay Blvd Ste 140Houston, TX 77058-3239 · (281) 332-3001 · Fax (281) 332-3005
Fax(281) 332-3005
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2014
Enumeration DateJuly 7, 2014
Last NPPES UpdateOctober 2, 20266 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1295141570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · T3292
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
18333 EGRET BAY BLVD STE 140, Houston, TX 77058

Secondary Practice Locations 4

Location 12240 Gulf Fwy SLeague City, TX 77573-5143 · Phone (409) 772-1011
Location 218300 Houston Methodist DrHouston, TX 77058-6302 · Phone (281) 523-2000
Location 3200 Blossom StWebster, TX 77598-4204 · Phone (832) 632-6500
Location 42801 Franciscan DrBryan, TX 77802-2544 · Phone (531) 228-0135

Other Identifiers 2

Medicaid434135617TX
Medicaid434135618TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mia Wynn Guzman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42508913
PECOS Enrollment IDI20220329001994
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 Reassignments

6

Medicare enrollment records show Mia Guzman reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Hospitalist
18333 EGRET BAY BLVD STE 140
Houston, TX 77058
  • Reassigned Medicare billing, Texas enrollment
  • 39 clinicians in this Medicare group
Family Medicine
2801 FRANCISCAN DR
Bryan, TX 77802
  • Reassigned Medicare billing, Texas enrollment
  • 141 clinicians in this Medicare group
Internal Medicine
1204 N MOUND ST
Nacogdoches, TX 75961
  • Reassigned Medicare billing, Texas enrollment
  • 47 clinicians in this Medicare group
Internal Medicine
3201 W STATE HIGHWAY 22
Corsicana, TX 75110
  • Reassigned Medicare billing, Texas enrollment
  • 149 clinicians in this Medicare group
Hospitalist
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 681 clinicians in this Medicare group
Hospitalist
4500 S GARNETT RD, STE 919
Tulsa, OK 74146
  • Reassigned Medicare billing, Texas enrollment
  • 100 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.

Areas of Expertise CMS Part B claims 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
197 services88 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
118 services114 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
53 services50 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
38 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
34 services33 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
32 services28 patients

Hospital Affiliations CMS Care Compare 3

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

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number450018
Location301 University BoulevardGalveston, TX 77555 · Galveston County
Emergency services Birthing friendly

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450709
Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County
Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77058 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Referred Medical Equipment & Supplies CMS DME claims 16

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers62 claims130 services$5.83 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers24 claims25 services$1.05 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
5 suppliers38 claims38 services$29.80 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers19 claims19 services$58.36 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
3 suppliers19 claims54 services$22.08 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
5 suppliers25 claims149 services$15.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner (Acute Care)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Gerontology)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Hospitalist
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Gerontology)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Acute Care)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Internal Medicine (Infectious Disease)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Nurse Practitioner (Gerontology)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058
Internal Medicine (Infectious Disease)
18333 EGRET BAY BLVD STE 140
HOUSTON, TX 77058

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 Mia Guzman's NPI number?

The NPI number for Mia Guzman is 1295141570. It was assigned to this individual provider in the NPPES registry on July 7, 2014.

Where is Mia Guzman located?

Mia Guzman practices at 18333 Egret Bay Blvd Ste 140, Houston, TX 77058. The listed phone number is (281) 332-3001.

What is Mia Guzman's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mia Guzman enrolled in Medicare?

Yes. Mia Guzman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mia Guzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mia Guzman reassigns Medicare benefits to 6 organizations: Xpertmd (Houston, TX), St. Joseph Regional Health Center (Bryan, TX), Southern Physician Group Management LLC (Nacogdoches, TX), Comprehensive Hospitalist Services Of Texas, PLLC (Corsicana, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX) and 1 more organization, listed in the Medicare section above. 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 Mia Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mia Guzman accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Mia Guzman 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 Mia Guzman affiliated with any hospitals?

According to CMS data, Mia Guzman is affiliated with University Of Texas Medical Branch Galveston, Houston Methodist Clear Lake Hospital and Houston Methodist Sugarland Hospital.

When was this NPI record last updated?

The NPPES record for Mia Guzman was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.