MS. TERRI ANNE WILLIS NURSE PRACTITIONER
NPI 1245477694
Nurse Practitioner - Adult Health in Baltimore, MD
About Ms. Terri Anne Willis Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TERRI ANNE WILLIS NURSE PRACTITIONER (NPI 1245477694) is an individual adult health provider in Baltimore, Maryland, licensed in Maryland (R238735) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Terri Anne Willis Nurse Practitioner 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 Terri Willis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 261 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 21237 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21237
BALTIMORE, MD 21237
BALTIMORE, MD 21237
BALTIMORE, MD 21237
BALTIMORE, MD 21237
BALTIMORE, MD 21237
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 Terri Willis's NPI number?
The NPI number for Terri Willis is 1245477694. It was assigned to this individual provider in the NPPES registry on January 7, 2009.
Where is Terri Willis located?
Terri Willis practices at 9105 Franklin Square Dr, Baltimore, MD 21237. The listed phone number is (410) 574-1330.
What is Terri Willis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Terri Willis enrolled in Medicare?
Yes. Terri Willis 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 Terri Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terri Willis reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Terri Willis'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 Terri Willis was last updated on June 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ms. Terri Anne Willis, NURSE PRACTITIONER · NPI 1245477694
Adult Health physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 7, 2009.
## Identity
- **NPI:** 1245477694 (Entity type: Individual)
- **Enumerated:** January 7, 2009
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** R238735 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9105 FRANKLIN SQUARE DR, Baltimore, MD 21237-3930
- **Phone:** (410) 574-1330 · **Fax:** (410) 574-2691
## 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:** Icahn School Of Medicine At Mount Sinai (NPI 1487912416, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** June 25, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1245477694) · Data from the CMS NPPES public registry.