DR. MICHAEL UY YAP M.D.
NPI 1588847362
Internal Medicine - Nephrology in Orange, CA

Active since December 14, 2007PECOS EnrolledAccepts Medicare Assignment
500 S MAIN ST STE 101, ORANGE, CA 92868(657) 231-2099 Get Directions Write a Review

NPPES record last updated: September 4, 2023. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 4, 2023, Feb 2, 2021, Mar 1, 2018 and 3 more (6 updates tracked since 2016).

About Dr. Michael Uy Yap M.d. NPPES

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

DR. MICHAEL UY YAP M.D. (NPI 1588847362) is an individual nephrology provider in Orange, California, licensed in California (A110518) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1588847362
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MICHAEL UY YAPCredential: M.D.
Location Address500 S MAIN ST STE 101Orange, CA 92868-4535
Mailing Address2825 Richmond StSanta Ana, CA 92705-6839 · (657) 230-2099
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateDecember 14, 2007
Last NPPES UpdateSeptember 4, 20236 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2023
NPI 1588847362 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 · A110518
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.
500 S MAIN ST STE 101, Orange, CA 92868

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. Michael Uy Yap 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 ID2769659010
PECOS Enrollment IDI20160606001812
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 6

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.
655 services118 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.
337 services103 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.
155 services131 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.
76 services12 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services21 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.
27 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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.

Other Providers at the Same Location NPPES 4

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

Internal Medicine
500 S MAIN ST STE 101
ORANGE, CA 92868
Nurse Practitioner (Family)
500 S MAIN ST STE 101
ORANGE, CA 92868
Nurse Practitioner
500 S MAIN ST STE 101
ORANGE, CA 92868
Internal Medicine (Nephrology)
500 S MAIN ST STE 101
ORANGE, CA 92868

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 Yap's NPI number?

The NPI number for Michael Yap is 1588847362. It was assigned to this individual provider in the NPPES registry on December 14, 2007.

Where is Michael Yap located?

Michael Yap practices at 500 S Main St Ste 101, Orange, CA 92868. The listed phone number is (657) 231-2099.

What is Michael Yap's specialty?

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

Is Michael Yap enrolled in Medicare?

Yes. Michael Yap 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 Yap was last updated on September 4, 2023. 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.