MARTIN MAI MD
NPI 1679562268
Internal Medicine - Nephrology in Jacksonville, FL
About Martin Mai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTIN MAI MD (NPI 1679562268) is an individual nephrology provider in Jacksonville, Florida, licensed in Florida (ME83593) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic, and maintains a secondary practice location in Scottsdale.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Martin Mai 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 Martin Mai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jacksonville, FL 32224
- Reassigned Medicare billing, Florida enrollment
- 1,828 clinicians in this Medicare group
Scottsdale, AZ 85259
- Reassigned Medicare billing, Arizona enrollment
- 1,792 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic
Acute Care Hospitals · Jacksonville, FLSt Joseph's Hospital - Savannah
Acute Care Hospitals · Savannah, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSONVILLE, FL 32224
JACKSONVILLE, FL 32224
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 Martin Mai's NPI number?
The NPI number for Martin Mai is 1679562268. It was assigned to this individual provider in the NPPES registry on October 17, 2005.
Where is Martin Mai located?
Martin Mai practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.
What is Martin Mai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Martin Mai enrolled in Medicare?
Yes. Martin Mai 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 Martin Mai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martin Mai reassigns Medicare benefits to 2 organizations: Mayo Clinic Jacksonville (Jacksonville, FL) and Mayo Clinic Arizona (Scottsdale, AZ). 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 Martin Mai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martin Mai accept?
Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Martin Mai 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 Martin Mai affiliated with any hospitals?
According to CMS data, Martin Mai is affiliated with Mayo Clinic and St Joseph's Hospital - Savannah.
When was this NPI record last updated?
The NPPES record for Martin Mai was last updated on August 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.