MRS. MELISSA WAGNER AGACNP-BC
NPI 1356891105
Nurse Practitioner - Critical Care Medicine in Baltimore, MD
About Mrs. Melissa Wagner Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MELISSA WAGNER AGACNP-BC (NPI 1356891105) is an individual critical care medicine provider in Baltimore, Maryland, licensed in Maryland (R174093) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Mrs. Melissa Wagner Agacnp-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 Melissa Wagner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Shock Trauma Associates PA
- 541 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 Maryland Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Melissa Wagner's NPI number?
The NPI number for Melissa Wagner is 1356891105. It was assigned to this individual provider in the NPPES registry on October 5, 2016.
Where is Melissa Wagner located?
Melissa Wagner practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-5336.
What is Melissa Wagner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Melissa Wagner enrolled in Medicare?
Yes. Melissa Wagner 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 Melissa Wagner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Wagner reassigns Medicare benefits to Shock Trauma Associates, P.A. (Baltimore, MD). 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 Melissa Wagner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Melissa Wagner affiliated with any hospitals?
According to CMS data, Melissa Wagner is affiliated with University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Melissa Wagner was last updated on October 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Melissa Wagner, AGACNP-BC · NPI 1356891105
Critical Care Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since October 5, 2016.
## Identity
- **NPI:** 1356891105 (Entity type: Individual)
- **Enumerated:** October 5, 2016
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** R174093 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-5336
## 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:** Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 5, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1356891105) · Data from the CMS NPPES public registry.