ALEXANDER S LIM M.D.
NPI 1184157539
Internal Medicine - Hematology & Oncology in Jacksonville, FL
About Alexander S Lim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER S LIM M.D. (NPI 1184157539) is an individual hematology & oncology provider in Jacksonville, Florida, licensed in Florida (ME161380) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 3
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
Alexander S Lim M.d. 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 Reassignment
Medicare enrollment records show Alexander Lim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chesaning, MI 48616
- Reassigned Medicare billing, Michigan enrollment
- 125 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 13
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.
Ascension St Mary's Hospital
Acute Care Hospitals · Saginaw, MIMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32256 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
JACKSONVILLE, FL 32256
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 Alexander Lim's NPI number?
The NPI number for Alexander Lim is 1184157539. It was assigned to this individual provider in the NPPES registry on April 4, 2017.
Where is Alexander Lim located?
Alexander Lim practices at 7015 A C Skinner Pkwy Bldg 100, Jacksonville, FL 32256. The listed phone number is (904) 516-3737.
What is Alexander Lim's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Alexander Lim enrolled in Medicare?
Yes. Alexander Lim 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 organization bills Medicare for Alexander Lim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Lim reassigns Medicare benefits to Mymichigan Medical Center Saginaw (Chesaning, MI). The 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 Alexander Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Lim accept?
Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Priority Health list Alexander Lim 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 Alexander Lim affiliated with any hospitals?
According to CMS data, Alexander Lim is affiliated with Ascension St Mary's Hospital and Mymichigan Medical Center Midland.
When was this NPI record last updated?
The NPPES record for Alexander Lim was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.