Quick answers
- Does Geraldine M. Casino accept Medicare assignment?
- Yes. Medicare's clinician data says Geraldine M. Casino accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Geraldine M. Casino see?
- In 2024, CMS data shows 747 Original Medicare patients and 1,036 services for Geraldine M. Casino. This counts Original Medicare only and measures volume, not quality.
- What is Geraldine M. Casino's NPI number?
- 1669850954. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Geraldine M. Casino, 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.
| Original Medicare patients | 747 |
|---|---|
| Services billed to Medicare | 1,036 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)602 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)176 services
- Hospital discharge day management, more than 30 minutes (99239)50 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)41 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)25 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%
- Arthritis56%
- Ischemic heart disease54%
- Chronic kidney disease52%
- Diabetes47%
Hospitals where Geraldine M. Casino works
Medicare's Facility Affiliation Data lists Geraldine M. Casino 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.
- Chandler Regional Medical CenterChandler, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030036
- Dignity Health Arizona General HospitalMesa, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030139
- Huhu Kam Memorial HospitalSacaton, AZ · Critical Access Hospital · Emergency services: listed by Medicare · CCN 031308
- Mercy Gilbert Medical CenterGilbert, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030119
- St Josephs Hospital and Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030024
Practice locations
Addresses where Geraldine M. Casino is enrolled with Medicare (CMS data updated October 2, 2026).
- 3042 W Queen Creek Rd, Hu Hu Kam Memorial HospitalChandler, AZ 85286 (602) 528‑1200
- 350 W Thomas RdPhoenix, AZ 85013 (602) 406‑3000
- 4530 E Muirwood Dr, Suite 105Phoenix, AZ 85048 (480) 961‑2303
- 483 W Seed Farm Rd, Hu Hu Kam Memorial HospSacaton, AZ 85147 (602) 528‑1200
Group practices
Medicare enrollment lists Geraldine M. Casino as a member of these groups (CMS data updated October 2, 2026).
- Gila River Health Care Corporation247 clinicians in the group
- Aia Hospitalists LLC53 clinicians in the group
- Zion Medical Group PLLC34 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chandler
Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.
Other clinicians in Gila River Health Care Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669850954 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians