Mary O. Rosenquist, MD

Medicare activity in 2024

Official CMS public-use data for Mary O. Rosenquist, 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. Injection, methylprednisolone acetate, 1 mg (J1010)2,784 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)895 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)440 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)184 services
5. X-ray of chest, 2 views (71046)181 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 blood pressure75%
• High cholesterol75%
• Arthritis43%
• Diabetes30%
• Ischemic heart disease25%
• Depression22%

Hospitals where Mary O. Rosenquist works

Medicare's Facility Affiliation Data lists Mary O. Rosenquist 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.

• Aspire HospitalConroe, TX · Psychiatric Hospital · CCN 670093
• Huntsville Memorial HospitalHuntsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450347

Practice locations

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

• 123 Medical Park Ln, Suite AHuntsville, TX 77340 (936) 291‑2116

Group practices

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

• Huntsville Family Medicine, LLP5 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Texas →

Other family doctors in Huntsville

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

• Joanne Rogers, MD
• Nicolas Alonso, DO
• Tracy T. Mack, MD
• Valerie C. Hopper, DO
• Anh-Linh D. Bui, MD
• Lauren C. Brown, MD
• Syed R. Jafri, MD
• Tom D. Hill, MD

All family doctors in Huntsville →

Other clinicians in Huntsville Family Medicine, LLP

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

• Nicolas Alonso, DO
• Shao Jen Chang, MD
• Lane J. Aiena, MD
• Lisa L. Alicea, 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