Ana S. Rivero Gutierrez, MD

Medicare activity in 2024

Official CMS public-use data for Ana S. Rivero Gutierrez, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)51 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)50 services
3. Hospital discharge day management, more than 30 minutes (99239)27 services
4. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)27 services
5. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)23 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%
• Heart failure62%
• Ischemic heart disease59%
• Anxiety55%
• Chronic kidney disease55%

Hospitals where Ana S. Rivero Gutierrez works

Medicare's Facility Affiliation Data lists Ana S. Rivero Gutierrez 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.

• Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
• Lowell General HospitalLowell, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220063
• Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 221300

Practice locations

Addresses where Ana S. Rivero Gutierrez is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 24; the Medicare profile lists all.

• 1 Hospital DrLowell, MA 01852 · Lowell General Inpatient Specialists PLLC (978) 458‑1411
• 1 Hospital RdOak Bluffs, MA 02557
• 100 Franklin StPoughkeepsie, NY 12601 (845) 454‑4100
• 1000 Seton Dr, Seton Manor Nursing and RehabOrwigsburg, PA 17961 (570) 366‑0400
• 10501 Roosevelt Blvd N, Carrington Place of St PeteSt Petersburg, FL 33716 · Hospitalist Medicine Physicians of Florida - Jacksonville II LLC (727) 577‑3800

Group practices

Medicare enrollment lists Ana S. Rivero Gutierrez as a member of these groups (CMS data updated October 2, 2026).

• Cogent Healthcare of Georgia PC249 clinicians in the group
• Martha's Vineyard Hospital Inc155 clinicians in the group
• Cogent Medical Care PC154 clinicians in the group
• Hospitalist Medicine Physicians of California Inc123 clinicians in the group
• Hospitalist Medicine Physicians of Pennsylvania PC102 clinicians in the group
• Hospitalist Medicine Physicians of Virginia LLC75 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Lowell

Clinicians with the same Medicare primary specialty in Lowell, MA — not a recommendation.

• Bharath Krishnamurthy, MD
• Muhammad M. Huq, MD
• Sachin B. Patel, MD
• Alexandra B. Argasinski, MD
• Tushar M. Patel, MD
• Gaurav C. Parikh, MD
• Haitem Muafa, MD
• Pauline Tsirigotis, MD

All internal medicine doctors in Lowell →

Other clinicians in Cogent Healthcare of Georgia PC

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

• Allyson A. Wahus, PA
• Ryan P. Durkin, MD
• Evan Null
• Mukti J. Patel-Prineas, MD
• Mary K. McMahan, MD
• Tabi Tabe-Ebob, 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