DR. XEM MA BUI MD
NPI 1194390187
Psychiatry & Neurology - Neurology in Medford, OR

Active since May 23, 2021PECOS EnrolledAccepts Medicare Assignment
2900 STATE ST, MEDFORD, OR 97504(541) 789-5790 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 12, 2025, Jun 17, 2025, May 23, 2021 (3 updates tracked since 2021).

About Dr. Xem Ma Bui Md NPPES

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

DR. XEM MA BUI MD (NPI 1194390187) is an individual neurology provider in Medford, Oregon, licensed in North Carolina (2025-01217) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Moses H. Cone Memorial Hospital, The, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1194390187
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. XEM MA BUICredential: MD
Location Address2900 STATE STMedford, OR 97504-8458
Mailing Address2900 State StMedford, OR 97504-8458
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMay 23, 2021
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
NPI 1194390187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses Licensed in NC · 2025-01217 Licensed in OR · MD227589 Licensed in UT · 14231018-1205
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 303378 (NC)
2900 STATE ST, Medford, OR 97504

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Xem Ma Bui Md 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 ID244639672
PECOS Enrollment IDI20250813003305, I20251031003316
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.

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Moses H. Cone Memorial Hospital, The

Acute Care Hospitals · Greensboro, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340091
Location1200 N Elm StGreensboro, NC 27401 · Guilford County
Emergency services Birthing friendly

Asante Three Rivers Medical Center

Acute Care Hospitals · Grants Pass, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380002
Location500 SW Ramsey AvenueGrants Pass, OR 97527 · Josephine County
Emergency services Birthing friendly

Asante Ashland Community Hospital

Acute Care Hospitals · Ashland, OR
OwnershipGovernment - Local
CMS Certification Number380005
Location280 Maple StreetAshland, OR 97520 · Jackson County
Emergency services Birthing friendly

Asante Rogue Regional Medical Center

Acute Care Hospitals · Medford, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380018
Location2825 E Barnett RoadMedford, OR 97504 · Jackson County
Emergency services Birthing friendly

Sky Lakes Medical Center

Acute Care Hospitals · Klamath Falls, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380050
Location2865 Daggett AvenueKlamath Falls, OR 97601 · Klamath County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.25 typical visit price
range $54.96 – $166.64
Typical copayment $31.56 (range $13.74 – $41.66)
Most-billed visit code 99204
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Neurological Surgery
2900 STATE ST
MEDFORD, OR 97504
Neurological Surgery
2900 STATE ST
MEDFORD, OR 97504
Physician Assistant (Surgical)
2900 STATE ST
MEDFORD, OR 97504
Physician Assistant
2900 STATE ST
MEDFORD, OR 97504
Physician Assistant (Surgical)
2900 STATE ST
MEDFORD, OR 97504
Physician Assistant (Surgical)
2900 STATE ST
MEDFORD, OR 97504
Psychiatry & Neurology (Neurology)
2900 STATE ST
MEDFORD, OR 97504
Physician Assistant (Surgical)
2900 STATE ST
MEDFORD, OR 97504

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 Xem Bui's NPI number?

The NPI number for Xem Bui is 1194390187. It was assigned to this individual provider in the NPPES registry on May 23, 2021.

Where is Xem Bui located?

Xem Bui practices at 2900 State St, Medford, OR 97504. The listed phone number is (541) 789-5790.

What is Xem Bui's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Xem Bui enrolled in Medicare?

Yes. Xem Bui 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.

Is Xem Bui affiliated with any hospitals?

According to CMS data, Xem Bui is affiliated with Moses H. Cone Memorial Hospital, The, Asante Three Rivers Medical Center, Asante Ashland Community Hospital, Asante Rogue Regional Medical Center and Sky Lakes Medical Center.

When was this NPI record last updated?

The NPPES record for Xem Bui was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.