Richard S. Zimmerman, MD

Medicare activity in 2024

Official CMS public-use data for Richard S. Zimmerman, 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. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)81 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)79 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)61 services
4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)57 services
5. Use of operating microscope (69990)47 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 pressure70%
• Arthritis53%
• Anxiety28%
• Depression26%
• Chronic kidney disease24%

Hospitals where Richard S. Zimmerman works

Medicare's Facility Affiliation Data lists Richard S. Zimmerman 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.

• Mayo Clinic HospitalPhoenix, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030103

Practice locations

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

• 13400 E Shea BlvdScottsdale, AZ 85259 (480) 301‑8000
• 5701 E Mayo BlvdPhoenix, AZ 85054 (480) 342‑4200
• 5777 E Mayo BlvdPhoenix, AZ 85054
• 5777 E Mayo Blvd, Mayo Clinic HospitalPhoenix, AZ 85054
• 5779 E Mayo Blvd, Speciality BuildingPhoenix, AZ 85054 (480) 301‑8000

Group practices

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

• Mayo Clinic Arizona1,626 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in Arizona →

Other neurosurgeons in Scottsdale

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

• Jonathon J. Parker, MD
• Ashish Sharma, MD
• Peter Nakaji, MD
• Paul M. Francis, MD
• Maziyar A. Kalani, MD
• John E. Wanebo, MD
• Ken Porche, MD
• Bernard R. Bendok, MD

All neurosurgeons in Scottsdale →

Other clinicians in Mayo Clinic Arizona

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

• Maikel A. Davalos, CNA
• Dylan Owen, PA
• Marie F. Grill, MD
• Nitin N. Katariya, MD
• Heather L. Chung, NP
• Stephanie Cotton Zacharias

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