KAREEM LEZAMA
NPI 1801319355
Family Medicine in Boston, MA
About Kareem Lezama NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREEM LEZAMA (NPI 1801319355) is an individual family medicine provider in Boston, Massachusetts, licensed in Massachusetts (1022322) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains a secondary practice location in Jefferson Hills.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Kareem Lezama 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
5Medicare enrollment records show Kareem Lezama reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Ligonier, PA 15658
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 clinicians in this Medicare group
Franklin, PA 16323
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Pittsburgh, PA 15243
- Reassigned Medicare billing, Pennsylvania enrollment
- 133 clinicians in this Medicare group
Oak Ridge, TN 37830
- Reassigned Medicare billing, Kentucky enrollment
- 358 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
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAJefferson Hospital
Acute Care Hospitals · Jefferson Hills, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Kareem Lezama's NPI number?
The NPI number for Kareem Lezama is 1801319355. It was assigned to this individual provider in the NPPES registry on July 17, 2017.
Where is Kareem Lezama located?
Kareem Lezama practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Kareem Lezama's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Kareem Lezama enrolled in Medicare?
Yes. Kareem Lezama 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 Kareem Lezama's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kareem Lezama reassigns Medicare benefits to 5 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Allegheny Clinic (Ligonier, PA), University Of Pittsburgh Physicians (Franklin, PA), St Clair Professional Services Inc (Pittsburgh, PA) and Southeastern Physician Services PC (Oak Ridge, 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 Kareem Lezama's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kareem Lezama affiliated with any hospitals?
According to CMS data, Kareem Lezama is affiliated with Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's and Jefferson Hospital.
When was this NPI record last updated?
The NPPES record for Kareem Lezama was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Kareem Lezama · NPI 1801319355
Family Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 17, 2017.
## Identity
- **NPI:** 1801319355 (Entity type: Individual)
- **Enumerated:** July 17, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 1022322 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Allegheny Clinic (NPI 1063946291, Ligonier, PA); University Of Pittsburgh Physicians (NPI 1619381456, Franklin, PA); St Clair Professional Services Inc (NPI 1326712050, Pittsburgh, PA); Southeastern Physician Services PC (NPI 1083835441, Oak Ridge, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** May 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801319355) · Data from the CMS NPPES public registry.