LISA J GUZMAN NP
NPI 1790886257
Nurse Practitioner - Family in Oak Lawn, IL
About Lisa J Guzman Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LISA J GUZMAN NP (NPI 1790886257) is an individual family provider in Oak Lawn, Illinois, licensed in Illinois (209-010163) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Lisa J Guzman Np 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 Lisa Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Trinity Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK LAWN, IL 60453
OAK LAWN, IL 60453
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 Lisa Guzman's NPI number?
The NPI number for Lisa Guzman is 1790886257. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Lisa Guzman located?
Lisa Guzman practices at 4440 W 95th St Fl 8, Oak Lawn, IL 60453. The listed phone number is (708) 684-4200.
What is Lisa Guzman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lisa Guzman enrolled in Medicare?
Yes. Lisa Guzman 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 Lisa Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Guzman reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, IL). 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 Lisa Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lisa Guzman accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Lisa Guzman 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 Lisa Guzman affiliated with any hospitals?
According to CMS data, Lisa Guzman is affiliated with Advocate Trinity Hospital.
When was this NPI record last updated?
The NPPES record for Lisa Guzman was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Lisa J Guzman, NP · NPI 1790886257
Family physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since September 26, 2006.
## Identity
- **NPI:** 1790886257 (Entity type: Individual)
- **Enumerated:** September 26, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209-010163 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4440 W 95TH ST FL 8, Oak Lawn, IL 60453-2600
- **Phone:** (708) 684-4200 · **Fax:** (708) 520-1885
## 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:** Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** April 9, 2025
- **Other identifiers:** Other 199790 (IN); Other 626820 (IN); Other 437901 (IL)
---
Source: [NPI Profile](https://npiprofile.com/npi/1790886257) · Data from the CMS NPPES public registry.