Mary A. Poag, MD

Medicare activity in 2024

Official CMS public-use data for Mary A. Poag, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Automated urinalysis test (81003)164 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)156 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)146 services
4. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)143 services
5. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)142 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol74%
• High blood pressure60%
• Arthritis46%
• Osteoporosis34%
• Anxiety24%
• Ischemic heart disease19%

Hospitals where Mary A. Poag works

Medicare's Facility Affiliation Data lists Mary A. Poag at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• HCA Houston Healthcare Clear LakeWebster, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450617
• HCA Houston Healthcare SoutheastPasadena, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450097
• Houston Methodist Clear Lake HospitalNassau Bay, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450709
• UTMB Health League City Campus HospitalLeague City, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450018

Practice locations

Addresses where Mary A. Poag is enrolled with Medicare (CMS data updated October 2, 2026).

• 17 Professional Park DrWebster, TX 77598

Group practices

Medicare enrollment lists Mary A. Poag as a member of this group (CMS data updated October 2, 2026).

• Bay Area Obstetrics and Gynecology, PA4 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in Texas →

Other OB-GYNs in Webster

Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.

• Wigberto Soto, MD
• Jillian E. Stafflinger, MD
• Maia S. Danielson, MD
• Kathlyn A. Kight, MD
• Helen E. Rhodes, MD
• Jessica I. Ubanyionwu, MD
• Hemamalini Pilla, MD
• Lilliam E. Clinger, MD

All OB-GYNs in Webster →

Other clinicians in Bay Area Obstetrics and Gynecology, PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Emily M. Laberge, MD
• Carolyn P. Kenney, DO
• Lakeisha Demerson, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians