Maria C. Martin, MD

Medicare activity in 2024

Official CMS public-use data for Maria C. Martin, 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 moderate level of decision making, if using time, 30 minutes or more (99214)80 services
2. 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)39 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)17 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)12 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 cholesterol69%
• High blood pressure68%
• Arthritis54%
• Anxiety35%
• Depression31%
• Diabetes26%

Hospitals where Maria C. Martin works

Medicare's Facility Affiliation Data lists Maria C. Martin 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.

• Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030002
• Banner Gateway Medical CenterGilbert, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030122

Practice locations

Addresses where Maria C. Martin is enrolled with Medicare (CMS data updated October 2, 2026).

• 1300 N 12th St, Suite 508Phoenix, AZ 85006 (602) 839‑3927
• 17900 N Porter RdMaricopa, AZ 85138 (520) 233‑2500

Group practices

Medicare enrollment lists Maria C. Martin as a member of these groups (CMS data updated October 2, 2026).

• Banner Primary Care Physicians Arizona LLC239 clinicians in the group
• Banner - University Primary Care Physicians LLC45 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Arizona →

Other hospitalists in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

• Jacob Moussa, MD
• David Berg, MD
• Ashley Higashi, MD
• Amanda Chung, MD
• Sultan Michael, MD
• Rachel C. Foster, DO
• Seema U. Patel, DO
• Bo Borch-Christensen, MD

All hospitalists in Phoenix →

Other clinicians in Banner Primary Care Physicians Arizona LLC

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

• Corinne M. Spires, MD
• Candace M. Napier, NP
• Gerald L. Oldham, MD
• Jared Schwarting, NP
• Stephanie L. Jackson, MD
• Justin G. Cole, 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