DR. ALLAN JOEL MEJIA PORTILLO MD
NPI 1033850052
General Practice in Nashville, TN
About Dr. Allan Joel Mejia Portillo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLAN JOEL MEJIA PORTILLO MD (NPI 1033850052) is an individual general practice provider in Nashville, Tennessee, licensed in Tennessee (74953) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Tristar Northcrest Medical Center, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Allan Joel Mejia Portillo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Allan Mejia Portillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37208
- Reassigned Medicare billing, Tennessee enrollment
- 118 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 420 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tristar Northcrest Medical Center
Acute Care Hospitals · Springfield, TNMetro Nashville General Hospital
Acute Care Hospitals · Nashville, TNTristar Centennial Medical Center
Acute Care Hospitals · Nashville, TNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37208
NASHVILLE, TN 37208
NASHVILLE, TN 37208
NASHVILLE, TN 37208
NASHVILLE, TN 37208
NASHVILLE, TN 37208
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Allan Mejia Portillo's NPI number?
The NPI number for Allan Mejia Portillo is 1033850052. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Allan Mejia Portillo located?
Allan Mejia Portillo practices at 1005 Dr Db Todd Jr Blvd, Nashville, TN 37208. The listed phone number is (615) 327-6611.
What is Allan Mejia Portillo's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Allan Mejia Portillo enrolled in Medicare?
Yes. Allan Mejia Portillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Allan Mejia Portillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allan Mejia Portillo reassigns Medicare benefits to 2 organizations: Meharry Medical College (Nashville, TN) and Hospital Medicine Services Of Tn, LLC (Nashville, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allan Mejia Portillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allan Mejia Portillo accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Allan Mejia Portillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Allan Mejia Portillo affiliated with any hospitals?
According to CMS data, Allan Mejia Portillo is affiliated with Tristar Northcrest Medical Center, Metro Nashville General Hospital and Tristar Centennial Medical Center.
When was this NPI record last updated?
The NPPES record for Allan Mejia Portillo was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Allan Joel Mejia Portillo, MD · NPI 1033850052
General Practice physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since April 5, 2022.
## Identity
- **NPI:** 1033850052 (Entity type: Individual)
- **Enumerated:** April 5, 2022
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 74953 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1005 DR DB TODD JR BLVD, Nashville, TN 37208-3501
- **Phone:** (615) 327-6611
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Meharry Medical College (NPI 1205859279, Nashville, TN); Hospital Medicine Services Of Tn, LLC (NPI 1982301065, Nashville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1033850052) · Data from the CMS NPPES public registry.