MS. JENNIFER MELISSA MASSETTI ACNP
NPI 1417277898
Nurse Practitioner - Acute Care in Baltimore, MD
About Ms. Jennifer Melissa Massetti Acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. JENNIFER MELISSA MASSETTI ACNP (NPI 1417277898) is an individual acute care provider in Baltimore, Maryland, licensed in Maryland (R157876) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2009).
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
Ms. Jennifer Melissa Massetti Acnp 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
4Medicare enrollment records show Jennifer Massetti reassigns Medicare billing to 4 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
- Medicare enrollment name: Shock Trauma Associates PA
- 541 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 128 clinicians in this Medicare group
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1255359972 (District of Columbia)
- 952 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.
Areas of Expertise CMS Part B claims 4
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.
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 Jennifer Massetti's NPI number?
The NPI number for Jennifer Massetti is 1417277898. It was assigned to this individual provider in the NPPES registry on June 8, 2010.
Where is Jennifer Massetti located?
Jennifer Massetti practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-4500.
What is Jennifer Massetti's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Jennifer Massetti enrolled in Medicare?
Yes. Jennifer Massetti 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 Jennifer Massetti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Massetti reassigns Medicare benefits to 4 organizations: Shock Trauma Associates, P.A. (Baltimore, MD), Maryland General Clinical Practice Group, Inc. (Baltimore, MD), Johns Hopkins Community Physicians (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 Jennifer Massetti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jennifer Massetti affiliated with any hospitals?
According to CMS data, Jennifer Massetti is affiliated with University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Jennifer Massetti was last updated on February 5, 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.
# Ms. Jennifer Melissa Massetti, ACNP · NPI 1417277898
Acute Care physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 8, 2010.
## Identity
- **NPI:** 1417277898 (Entity type: Individual)
- **Enumerated:** June 8, 2010
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** R157876 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-4500
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD); Maryland General Clinical Practice Group, Inc. (NPI 1689413197, Baltimore, MD); Johns Hopkins Community Physicians (NPI 1013738285, Baltimore, MD); Johns Hopkins University (NPI 1295731966, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** February 5, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1417277898) · Data from the CMS NPPES public registry.