Diandra Ayala-Peacock, MD
NPI 1558682336 · Radiation Oncology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diandra Ayala-Peacock, MD is a Radiation Oncology Physician provider in Nashville, TN (NPI 1558682336).
Provider details
- NPI number
- 1558682336
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
835 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 314 | $19 |
| Calculation of Radiation Therapy Dose77300 | 135 | $30 |
| Design and Construction of Complex Radiation Treatment Device77334 | 104 | $55 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 86 | $177 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 52 | $168 |
| Complex Radiation Therapy Planning77263 | 35 | $148 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-16
- Last updated
- 2015-08-24
Frequently asked questions
- What is Diandra Ayala-Peacock's NPI number?
- Diandra Ayala-Peacock's National Provider Identifier (NPI) is 1558682336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diandra Ayala-Peacock's specialty?
- Diandra Ayala-Peacock is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Diandra Ayala-Peacock located?
- Diandra Ayala-Peacock's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is Diandra Ayala-Peacock's phone number?
- The practice phone number listed in the NPPES registry for Diandra Ayala-Peacock is (615) 322-3000.
- Does Diandra Ayala-Peacock accept Medicare?
- Diandra Ayala-Peacock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diandra Ayala-Peacock's NPI active?
- Yes — Diandra Ayala-Peacock's NPI (1558682336) is active in the NPPES registry as of the last update on 2015-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.