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BRIENNE RAE KEYLOUN M.D.
NPI 1902339757
Internal Medicine - Hospice and Palliative Medicine in Washington, DC

Active since April 08, 2017PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
3800 RESERVOIR RD NW # PHC5, WASHINGTON, DC 20007(022) 444-9106 Get Directions Write a Review

NPPES record last updated: May 17, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 17, 2022, Feb 17, 2020, Mar 12, 2018 (3 updates tracked since 2018).

About Brienne Rae Keyloun M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIENNE RAE KEYLOUN M.D. (NPI 1902339757) is an individual hospice and palliative medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD049326) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2017).

NPPES Registry Identity

NPI1902339757
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameBRIENNE RAE KEYLOUNCredential: M.D.
Location Address3800 RESERVOIR RD NW # PHC5Washington, DC 20007-2113
Mailing Address3800 Reservoir Rd NwWashington, DC 20007-2113 · (202) 444-2611
Phone(022) 444-9106
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2017
Enumeration DateApril 8, 2017
Last NPPES UpdateMay 17, 20223 updates tracked since enumeration
NPPES CertifiedMay 17, 2022
✔ NPI 1902339757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in DC · MD049326
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3800 RESERVOIR RD NW # PHC5, Washington, DC 20007
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Other Names 1

Former Name (1)Brienne Rae Poole M.d.

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

Brienne Rae Keyloun M.d. 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.

PECOS PAC ID3779904487
PECOS Enrollment IDI20220630000042, I20220830002568
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brienne Keyloun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medstar Medical Group II LLC
Same address
Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1376887844 (Maryland)
  • 3,530 clinicians in this Medicare group
NPI 1205562816 (703) 558-1403

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
215 services89 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
94 services90 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
81 services61 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
66 services53 patients

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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

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 Brienne Keyloun's NPI number?

The NPI number for Brienne Keyloun is 1902339757. It was assigned to this individual provider in the NPPES registry on April 8, 2017. The provider is also known as Brienne Rae Poole M.D..

Where is Brienne Keyloun located?

Brienne Keyloun practices at 3800 Reservoir Rd NW # Phc5, Washington, DC 20007. The listed phone number is (022) 444-9106.

What is Brienne Keyloun's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Brienne Keyloun enrolled in Medicare?

Yes. Brienne Keyloun 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 Brienne Keyloun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brienne Keyloun reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). 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 Brienne Keyloun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Brienne Keyloun was last updated on May 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.