ANN R MADDEN CRNA
NPI 1699327304
Nurse Anesthetist, Certified Registered in Baltimore, MD
About Ann R Madden Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN R MADDEN CRNA (NPI 1699327304) is an individual nurse anesthetist, certified registered in Baltimore, Maryland, licensed in Maryland (AC003231) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ann R Madden Crna 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
6Medicare enrollment records show Ann Madden reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 72 clinicians in this Medicare group
Lutherville, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 40 clinicians in this Medicare group
Timonium, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 11 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 468 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21230 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 Ann Madden's NPI number?
The NPI number for Ann Madden is 1699327304. It was assigned to this individual provider in the NPPES registry on July 12, 2019.
Where is Ann Madden located?
Ann Madden practices at 1241 Towson St, Baltimore, MD 21230. The listed phone number is (715) 562-0213.
What is Ann Madden's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ann Madden enrolled in Medicare?
Yes. Ann Madden 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 Ann Madden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Madden reassigns Medicare benefits to 6 organizations: Gbmc Hospital Based Services, LLC (Baltimore, MD), Katzen Medical Associates, PC (Lutherville, MD), Urological Institute Of Maryland (Timonium, MD), North American Partners In Anesthesia Maryland LLC (Prince Frederick, MD), Dean Health Systems, Inc (Madison, WI) and 1 more organization, listed in the Medicare section above. 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 Ann Madden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ann Madden affiliated with any hospitals?
According to CMS data, Ann Madden is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Ann Madden was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.
# Ann R Madden, CRNA · NPI 1699327304
Nurse Anesthetist, Certified Registered physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 12, 2019.
## Identity
- **NPI:** 1699327304 (Entity type: Individual)
- **Enumerated:** July 12, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** AC003231 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1241 TOWSON ST, Baltimore, MD 21230-5511
- **Phone:** (715) 562-0213
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Gbmc Hospital Based Services, LLC (NPI 1699610667, Baltimore, MD); Katzen Medical Associates, PC (NPI 1326052614, Lutherville, MD); Urological Institute Of Maryland (NPI 1316536352, Timonium, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD); Dean Health Systems, Inc (NPI 1053358846, Madison, WI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** October 2, 2026
- **Other identifiers:** Medicaid 1699327304 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1699327304) · Data from the CMS NPPES public registry.