PETERSON NGUYEN PMHNP-BC, CRNA
NPI 1619479797
Nurse Practitioner - Psychiatric/Mental Health in Baltimore, MD
About Peterson Nguyen Pmhnp-bc, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETERSON NGUYEN PMHNP-BC, CRNA (NPI 1619479797) is an individual psychiatric/mental health provider in Baltimore, Maryland, licensed in Maryland (R217862) and active in the NPI registry since March 2018. He is affiliated with Umd Rehabilitation & Orthopaedic Institute and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 3
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
Peterson Nguyen Pmhnp-bc, 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
5Medicare enrollment records show Peterson Nguyen reassigns Medicare billing to 5 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: University Of Maryland Anesthesiology Associates PA
- 303 clinicians in this Medicare group
Baltimore, MD 21218
- Reassigned Medicare billing, Maryland enrollment
- 311 clinicians in this Medicare group
Randallstown, MD 21133
- Reassigned Medicare billing, Maryland enrollment
- 135 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 468 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umd Rehabilitation & Orthopaedic Institute
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.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Peterson Nguyen's NPI number?
The NPI number for Peterson Nguyen is 1619479797. It was assigned to this individual provider in the NPPES registry on March 5, 2018.
Where is Peterson Nguyen located?
Peterson Nguyen practices at 22 S Greene St Fl 11, Baltimore, MD 21201. The listed phone number is (667) 214-1616.
What is Peterson Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Peterson Nguyen enrolled in Medicare?
Yes. Peterson Nguyen 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 Peterson Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peterson Nguyen reassigns Medicare benefits to 5 organizations: University Of Maryland Anesthesiology Associates P.A. (Baltimore, MD), Medstar Medical Group Anesthesiology LLC (Baltimore, MD), Lifebridge Anesthesia Associates, LLC (Randallstown, MD), North American Partners In Anesthesia Maryland LLC (Prince Frederick, MD) and Usc Care Medical Group, Inc (Los Angeles, CA). 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 Peterson Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Peterson Nguyen affiliated with any hospitals?
According to CMS data, Peterson Nguyen is affiliated with Umd Rehabilitation & Orthopaedic Institute.
When was this NPI record last updated?
The NPPES record for Peterson Nguyen was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Peterson Nguyen, PMHNP-BC, CRNA · NPI 1619479797
Psychiatric/Mental Health physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 5, 2018.
## Identity
- **NPI:** 1619479797 (Entity type: Individual)
- **Enumerated:** March 5, 2018
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** R217862 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST FL 11, Baltimore, MD 21201-1544
- **Phone:** (667) 214-1616
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Anesthesiology Associates P.A. (NPI 1033915145, Baltimore, MD); Medstar Medical Group Anesthesiology LLC (NPI 1528578333, Baltimore, MD); Lifebridge Anesthesia Associates, LLC (NPI 1003992868, Randallstown, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD); Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619479797) · Data from the CMS NPPES public registry.