MRS. SUSAN MARIE PHELPS CRNP
NPI 1649519539
Nurse Practitioner - Critical Care Medicine in Upper Marlboro, MD
About Mrs. Susan Marie Phelps Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SUSAN MARIE PHELPS CRNP (NPI 1649519539) is an individual critical care medicine provider in Upper Marlboro, Maryland, licensed in Maryland (R147912) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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. Susan Marie Phelps 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
8Medicare enrollment records show Susan Phelps reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lanham, MD 20706
- Reassigned Medicare billing, Maryland enrollment
- 794 clinicians in this Medicare group
Largo, MD 20774
- Reassigned Medicare billing, District of Columbia enrollment
- 328 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 73 clinicians in this Medicare group
Waldorf, MD 20603
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 158 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 84 clinicians in this Medicare group
Aberdeen, MD 21001
- Reassigned Medicare billing, Maryland enrollment
- 97 clinicians in this Medicare group
Havre De Grace, MD 21078
- Reassigned Medicare billing, Maryland enrollment
- 102 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 4
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, MDUniversity Of MD Capital Region Medical Center
Acute Care Hospitals · Upper Marlboro, MDUniversity Of MD Baltimore Washington Medical Center
Acute Care Hospitals · Glen Burnie, MDUmd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20774 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
UPPER MARLBORO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
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 Susan Phelps's NPI number?
The NPI number for Susan Phelps is 1649519539. It was assigned to this individual provider in the NPPES registry on February 12, 2013.
Where is Susan Phelps located?
Susan Phelps practices at 901 Harry S Truman Dr N, Upper Marlboro, MD 20774. The listed phone number is (240) 677-3000.
What is Susan Phelps's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Susan Phelps enrolled in Medicare?
Yes. Susan Phelps 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 Susan Phelps's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Phelps reassigns Medicare benefits to 8 organizations: Luminis Health Medical Group, LLC (Lanham, MD), Dimensions Healthcare Associates, Inc. (Largo, MD), Mdics At Anne Arundel LLC (Annapolis, MD), Inova Health Care Services (Waldorf, MD), Upper Chesapeake Medical Services, Inc (Bel Air, MD) and 3 more organizations, 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 Susan Phelps's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Susan Phelps affiliated with any hospitals?
According to CMS data, Susan Phelps is affiliated with University Of Maryland Medical Center, University Of MD Capital Region Medical Center, University Of MD Baltimore Washington Medical Center and Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Susan Phelps was last updated on December 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Susan Marie Phelps, CRNP · NPI 1649519539
Critical Care Medicine physician in Upper Marlboro, Maryland. Individual provider, active in the CMS NPPES registry since February 12, 2013.
## Identity
- **NPI:** 1649519539 (Entity type: Individual)
- **Enumerated:** February 12, 2013
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** R147912 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 HARRY S TRUMAN DR N, Upper Marlboro, MD 20774-5477
- **Phone:** (240) 677-3000
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Luminis Health Medical Group, LLC (NPI 1578197158, Lanham, MD); Dimensions Healthcare Associates, Inc. (NPI 1346354834, Largo, MD); Mdics At Anne Arundel LLC (NPI 1427343664, Annapolis, MD); Inova Health Care Services (NPI 1851829550, Waldorf, MD); Upper Chesapeake Medical Services, Inc (NPI 1497801419, Bel Air, MD); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 1, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1649519539) · Data from the CMS NPPES public registry.