Quick answers
- Does Christina M. Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Christina M. Diaz 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 Christina M. Diaz see?
- In 2024, CMS data shows 470 Original Medicare patients and 12,417 services for Christina M. Diaz. This counts Original Medicare only and measures volume, not quality.
- What is Christina M. Diaz's NPI number?
- 1265435481. 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 Christina M. Diaz, 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 | 470 |
|---|---|
| Services billed to Medicare | 12,417 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)10,400 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)540 services
- Administration of psychological or neuropsychological test, each additional 30 minutes (96137)195 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)163 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)158 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 cholesterol75%
- High blood pressure70%
- Arthritis58%
- Anxiety39%
- Depression36%
- Ischemic heart disease30%
Hospitals where Christina M. Diaz works
Medicare's Facility Affiliation Data lists Christina M. Diaz 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.
- HCA Florida St Petersburg HospitalSaint Petersburg, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100180
- Morton Plant HospitalClearwater, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100127
- Orlando Health Bayfront HospitalSaint Petersburg, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100032
- St Anthonys HospitalSaint Petersburg, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100067
- St Josephs HospitalTampa, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100075
Practice locations
Addresses where Christina M. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).
- 2201 Central Ave, Suite 200St Petersburg, FL 33713 (727) 914‑0200
- 603 7th St S, Suite 100St Petersburg, FL 33701 (727) 553‑7431
- 6280 Central Ave, Suite H2St Petersburg, FL 33707 (800) 699‑9395
Group practices
Medicare enrollment lists Christina M. Diaz as a member of these groups (CMS data updated October 2, 2026).
- H2 Rehabilitation Services of Florida LLC296 clinicians in the group
- Ohi West Medical Group LLC202 clinicians in the group
- Central Neurology, P.L.7 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in St Petersburg
Clinicians with the same Medicare primary specialty in St Petersburg, FL — not a recommendation.
Other clinicians in H2 Rehabilitation Services of Florida LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265435481 |
| 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