THOMAS A LEESON DO
NPI 1558410191
Family Medicine in Mullica Hill, NJ
About Thomas A Leeson Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS A LEESON DO (NPI 1558410191) is an individual family medicine provider in Mullica Hill, New Jersey, licensed in New Jersey (25MB11150900) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains 8 additional practice locations, and is a graduate of University Of New England, College Of Osteo Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 8
Other Identifiers 3
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
Thomas A Leeson Do 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
6Medicare enrollment records show Thomas Leeson reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mullica Hill, NJ 08062
- Reassigned Medicare billing, New Jersey enrollment
- 2,074 clinicians in this Medicare group
Aberdeen, MD 21001
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- Also billed through NPI 1225889272 (District of Columbia)
- 729 clinicians in this Medicare group
Far Rockaway, NY 11691
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Island Emergency Medical Services PC
- 290 clinicians in this Medicare group
Cortland, NY 13045
- Reassigned Medicare billing, New York enrollment
- 35 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Emergency Care Services Of New York PC
- 240 clinicians in this Medicare group
Liverpool, NY 13090
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Wellnow Urgent Care, P.C.
- 511 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08062 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MULLICA HILL, NJ 08062
MULLICA HILL, NJ 08062
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 Thomas Leeson's NPI number?
The NPI number for Thomas Leeson is 1558410191. It was assigned to this individual provider in the NPPES registry on January 10, 2007.
Where is Thomas Leeson located?
Thomas Leeson practices at 141 Bridgeton Pike Unit B, Mullica Hill, NJ 08062. The listed phone number is (856) 746-0206.
What is Thomas Leeson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas Leeson enrolled in Medicare?
Yes. Thomas Leeson 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 Thomas Leeson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Leeson reassigns Medicare benefits to 6 organizations: Virtua Medical Group, PA (Mullica Hill, NJ), Emergency Medicine Associates, PA (Aberdeen, MD), Island Emergency Medical Services, P.C. (Far Rockaway, NY), Emergency Medicine Physicians Of Cortland County, PLLC (Cortland, NY), Emergency Care Services Of New York, P.C. (Syracuse, NY) and 1 more organization, listed in the Medicare section above. 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 Thomas Leeson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thomas Leeson was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Thomas A Leeson, DO · NPI 1558410191
Family Medicine physician in Mullica Hill, New Jersey. Individual provider, active in the CMS NPPES registry since January 10, 2007.
## Identity
- **NPI:** 1558410191 (Entity type: Individual)
- **Enumerated:** January 10, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 25MB11150900 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 141 BRIDGETON PIKE UNIT B, Mullica Hill, NJ 08062-2615
- **Phone:** (856) 746-0206 · **Fax:** (856) 746-0207
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Virtua Medical Group, PA (NPI 1336560432, Mullica Hill, NJ); Emergency Medicine Associates, PA (NPI 1609627082, Aberdeen, MD); Island Emergency Medical Services, P.C. (NPI 1639160385, Far Rockaway, NY); Emergency Medicine Physicians Of Cortland County, PLLC (NPI 1609816024, Cortland, NY); Emergency Care Services Of New York, P.C. (NPI 1639236656, Syracuse, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 2006
## Record status
- **NPPES last updated:** October 25, 2024
- **Other identifiers:** Medicaid 30229007 (NH); Medicaid 432682399 (ME); Medicaid 1019471 (VT)
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Source: [NPI Profile](https://npiprofile.com/npi/1558410191) · Data from the CMS NPPES public registry.