MICHAEL HIEN BIEN M.D.
NPI 1689680654
Internal Medicine - Nephrology in San Dimas, CA

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
1335 W CYPRESS AVE, SUITE # 205, SAN DIMAS, CA 91773(909) 542-2770(909) 394-1800 Get Directions Write a Review

NPPES record last updated: March 16, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Michael Hien Bien M.d. NPPES

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

MICHAEL HIEN BIEN M.D. (NPI 1689680654) is an individual nephrology provider in San Dimas, California, licensed in California (A74264) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Irvine California College Of Medicine (2004).

NPPES Registry Identity

NPI1689680654
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameMICHAEL HIEN BIENCredential: M.D.
Location Address1335 W CYPRESS AVE, SUITE # 205San Dimas, CA 91773-3537
Mailing Address1335 W Cypress Ave, Suite # 205San Dimas, CA 91773-3537 · (909) 542-2770 · Fax (909) 394-1800
Fax(909) 394-1800
Sole ProprietorYes
Medical School CMSIrvine California College Of MedicineGraduated 2004
Enumeration DateJuly 31, 2006
Last NPPES UpdateMarch 16, 2012
NPI 1689680654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · A74264
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License A74264 (CA)
1335 W CYPRESS AVE, San Dimas, CA 91773

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

Michael Hien Bien 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 ID9931191681
PECOS Enrollment IDI20040401000827, I20250609002533
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.

Areas of Expertise CMS Part B claims 12

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 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.
807 services204 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
657 services105 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
223 services88 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.
165 services79 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
131 services117 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
114 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91773 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.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers15 claims30 services$6.14 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers63 claims4,440 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers20 claims3,750 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers33 claims6,000 services$0.19 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims1,320 services$0.89 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
4 suppliers43 claims43 services$18.51 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 7

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

Physical Therapist
1335 W CYPRESS AVE, SUITE 100
SAN DIMAS, CA 91773
Internal Medicine (Nephrology)
1335 W CYPRESS AVE, SUITE # 205
SAN DIMAS, CA 91773
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1335 W CYPRESS AVE, SUITE 102
SAN DIMAS, CA 91773
Physical Therapist
1335 W CYPRESS AVE, SUITE 100
SAN DIMAS, CA 91773
Physical Therapist
1335 W CYPRESS AVE, SUITE 100
SAN DIMAS, CA 91773
Internal Medicine (Nephrology)
1335 W CYPRESS AVE
SAN DIMAS, CA 91773
Internal Medicine (Nephrology)
1335 W CYPRESS AVE, SUITE # 205
SAN DIMAS, CA 91773

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 Michael Bien's NPI number?

The NPI number for Michael Bien is 1689680654. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Michael Bien located?

Michael Bien practices at 1335 W Cypress Ave Suite # 205, San Dimas, CA 91773. The listed phone number is (909) 542-2770.

What is Michael Bien's specialty?

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

Is Michael Bien enrolled in Medicare?

Yes. Michael Bien 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.

When was this NPI record last updated?

The NPPES record for Michael Bien was last updated on March 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.