CATHERINE M WILLMAN CRNP
NPI 1578077566
Nurse Practitioner - Adult Health in Baltimore, MD
About Catherine M Willman Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE M WILLMAN CRNP (NPI 1578077566) is an individual adult health provider in Baltimore, Maryland, licensed in Maryland (R210368) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Other (2017).
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
Catherine M Willman Crnp 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
2Medicare enrollment records show Catherine Willman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 614 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21223 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Catherine Willman's NPI number?
The NPI number for Catherine Willman is 1578077566. It was assigned to this individual provider in the NPPES registry on November 29, 2017.
Where is Catherine Willman located?
Catherine Willman practices at 1001 W. Pratt Street, Baltimore, MD 21223. The listed phone number is (443) 462-3400.
What is Catherine Willman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Catherine Willman enrolled in Medicare?
Yes. Catherine Willman 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 Catherine Willman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Willman reassigns Medicare benefits to 2 organizations: University Of Maryland Physicians PA (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). 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 Catherine Willman'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 Catherine Willman was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Catherine M Willman, CRNP · NPI 1578077566
Adult Health physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since November 29, 2017.
## Identity
- **NPI:** 1578077566 (Entity type: Individual)
- **Enumerated:** November 29, 2017
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** R210368 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 W. PRATT STREET, Baltimore, MD 21223
- **Phone:** (443) 462-3400 · **Fax:** (443) 462-3086
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Physicians PA (NPI 1043262579, Baltimore, MD); Johns Hopkins University (NPI 1295731966, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1578077566) · Data from the CMS NPPES public registry.