John Alarcon, M.D.
NPI 1184663494 · Diagnostic Radiology Physician · Goodlettsville, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Alarcon, M.D. is a Diagnostic Radiology Physician provider in Goodlettsville, TN (NPI 1184663494).
Provider details
- NPI number
- 1184663494
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 21658 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,391 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 165 | $9 |
| Blood Creatinine Level82565 | 165 | $5 |
| Mri Scan of Brain Before and After Contrast70553 | 145 | $279 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 136 | $25 |
| X-Ray of Entire Middle and Lower Spine, 2-3 Views72082 | 93 | $62 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 85 | $65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2006-06-05
- Last updated
- 2011-11-30
Frequently asked questions
- What is John Alarcon's NPI number?
- John Alarcon's National Provider Identifier (NPI) is 1184663494, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Alarcon's specialty?
- John Alarcon is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Alarcon located?
- John Alarcon's practice location on file with NPPES is 3024 Business Park Cir, Goodlettsville, TN 37072-3132.
- What is John Alarcon's phone number?
- The practice phone number listed in the NPPES registry for John Alarcon is (615) 851-6033.
- Does John Alarcon accept Medicare?
- John Alarcon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Alarcon's NPI active?
- Yes — John Alarcon's NPI (1184663494) is active in the NPPES registry as of the last update on 2011-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.