Christina Diaz, MD
NPI 1265435481 · Neurology Physician · St Petersburg, FL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Diaz, MD is a Neurology Physician provider in St Petersburg, FL (NPI 1265435481).
Provider details
- NPI number
- 1265435481
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME59530 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,520 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 540 | $124 |
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 195 | $36 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 163 | $176 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 158 | $216 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 130 | $92 |
| Measurement of Brain Wave Activity (eeg), Awake and Asleep95819 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 281 | 83 |
| Memantine Hcl | 210 | 54 |
| Gabapentin | 208 | 68 |
| Levetiracetam | 165 | 50 |
| Duloxetine Hcl | 165 | 43 |
| Pregabalin | 126 | 27 |
| Amitriptyline Hcl | 121 | 33 |
| Topiramate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,820 across 186 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-23
- Last updated
- 2026-02-20
- Certified
- 2026-02-20
Frequently asked questions
- What is Christina Diaz's NPI number?
- Christina Diaz's National Provider Identifier (NPI) is 1265435481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Diaz's specialty?
- Christina Diaz is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Diaz located?
- Christina Diaz's practice location on file with NPPES is 603 7th St S Ste 100, St Petersburg, FL 33701-4719.
- What is Christina Diaz's phone number?
- The practice phone number listed in the NPPES registry for Christina Diaz is (727) 553-7240.
- Does Christina Diaz accept Medicare?
- Christina Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Diaz's NPI active?
- Yes — Christina Diaz's NPI (1265435481) is active in the NPPES registry as of the last update on 2026-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.