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DR. DUC CONG BUI M.D.
NPI 1831170950
Internal Medicine - Nephrology in Glendale, CA

Active since November 07, 2005PECOS EnrolledAccepts Medicare Assignment
56.75/100
CMS Quality Rating
801 S CHEVY CHASE DR STE 101, GLENDALE, CA 91205(818) 265-2204(818) 265-2201 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 17, 2018, Mar 9, 2018 (2 updates tracked since 2018).

About Dr. Duc Cong Bui M.d. NPPES

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

DR. DUC CONG BUI M.D. (NPI 1831170950) is an individual nephrology provider in Glendale, California, licensed in California (A45958) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Glendale, and is a graduate of Other (1978).

NPPES Registry Identity

NPI1831170950
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. DUC CONG BUICredential: M.D.
Location Address801 S CHEVY CHASE DR STE 101Glendale, CA 91205-4437
Mailing Address801 S Chevy Chase Dr Ste 101Glendale, CA 91205-4437 · (818) 265-2204 · Fax (818) 265-2201
Phone(818) 265-2204
Fax(818) 265-2201
Sole ProprietorYes
Medical School CMSOtherGraduated 1978
Enumeration DateNovember 7, 2005
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1831170950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A45958
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
801 S CHEVY CHASE DR STE 101, Glendale, CA 91205
Open in Google Maps ↗

Secondary Practice Location 1

Location 1801 S Chevy Chase Dr Ste 101Glendale, CA 91205-4437 · Phone (818) 265-2204 · Fax (818) 265-2201

Other Identifiers 1

Medicaid00A459580CA

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

Dr. Duc Cong Bui 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 ID9335030550
PECOS Enrollment IDI20040324001212
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 Duc Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Glendale Community Medical Group Inc
Same address
Specialist
801 S CHEVY CHASE DR, 105
Glendale, CA 91205
  • Reassigned Medicare billing, California enrollment
NPI 1013102854 (818) 265-2203

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 7

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.
1,417 services330 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.
818 services259 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
357 services144 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
253 services203 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.
212 services179 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
86 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91205 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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.

56.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality74.53
Improvement Activities0
Cost56.47

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers26 claims26 services$14.30 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers33 claims33 services$67.18 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

GABRIEL AKOPIAN, M.D., INC
Surgery
801 S CHEVY CHASE DR STE 101
GLENDALE, CA 91205
Los Angeles County (818) 265-2209

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 Duc Bui's NPI number?

The NPI number for Duc Bui is 1831170950. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Duc Bui located?

Duc Bui practices at 801 S Chevy Chase Dr Ste 101, Glendale, CA 91205. The listed phone number is (818) 265-2204.

What is Duc Bui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Duc Bui enrolled in Medicare?

Yes. Duc 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.

Which organization bills Medicare for Duc Bui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Duc Bui reassigns Medicare benefits to Glendale Community Medical Group Inc (Glendale, CA). 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 Duc Bui'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 Duc Bui was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.