Annette S. Williams, MD

Medicare activity in 2024

Official CMS public-use data for Annette S. Williams, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)57 services
2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)23 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)19 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%
• Arthritis57%
• Osteoporosis36%
• Diabetes35%
• Anxiety32%

Hospitals where Annette S. Williams works

Medicare's Facility Affiliation Data lists Annette S. Williams 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.

• AdventHealth TampaTampa, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100173
• Adventhealth ZephyrhillsZephyrhills, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100046

Practice locations

Addresses where Annette S. Williams is enrolled with Medicare (CMS data updated October 2, 2026).

• 7050 Gall BlvdZephyrhills, FL 33541 (813) 788‑0411

Group practices

Medicare enrollment lists Annette S. Williams as a member of this group (CMS data updated October 2, 2026).

• Florida Hospital Physician Group Inc979 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in Florida →

Other OB-GYNs in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

• Mona C. McCullough, MD
• Maria Villa, MD
• Xavier Roman-Hernandez, MD
• Chukwuma Okoroji, MD
• Jonathan S. Stralka, MD
• Heather Auld, MD
• Jose I. Iparraguirre, MD
• Joanne M. Richards, MD

All OB-GYNs in Florida →

Other clinicians in Florida Hospital Physician Group Inc

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

• Gabriel M. Werder, MD
• Sarbagya Pandit, MD
• Geoffrey Cady, DPM
• Brenton D. McCoy, DO
• Jesse W. Ping, MD
• Saiyed A. Mohib, 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