MARIA STONE FNP-BC
NPI 1013310739
Nurse Practitioner - Family in Chicago, IL
About Maria Stone Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA STONE FNP-BC (NPI 1013310739) is an individual family provider in Chicago, Illinois, licensed in Illinois (209011900) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Maria Stone Fnp-bc 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 Maria Stone reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,169 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush University Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60612
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 Maria Stone's NPI number?
The NPI number for Maria Stone is 1013310739. It was assigned to this individual provider in the NPPES registry on October 8, 2014. The provider is also known as Maria Mayen.
Where is Maria Stone located?
Maria Stone practices at 1725 W Harrison St Ste 809, Chicago, IL 60612. The listed phone number is (312) 942-3468.
What is Maria Stone's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Maria Stone enrolled in Medicare?
Yes. Maria Stone 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 Maria Stone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Stone reassigns Medicare benefits to Rush University Medical Group (Chicago, 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 Maria Stone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Stone accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Maria Stone 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 Maria Stone affiliated with any hospitals?
According to CMS data, Maria Stone is affiliated with Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for Maria Stone was last updated on October 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Maria Stone, FNP-BC · NPI 1013310739
Family physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since October 8, 2014.
## Identity
- **NPI:** 1013310739 (Entity type: Individual)
- **Enumerated:** October 8, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209011900 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1725 W HARRISON ST STE 809, Chicago, IL 60612-3861
- **Phone:** (312) 942-3468
## 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:** Rush University Medical Group (NPI 1093819542, Chicago, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 8, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1013310739) · Data from the CMS NPPES public registry.