PHILIP SEUNGWOO YANG MD
NPI 1821157553
Internal Medicine - Nephrology in Fountain Valley, CA

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
11100 WARNER AVE STE 158, FOUNTAIN VALLEY, CA 92708(714) 486-2586(714) 432-8885 Get Directions Write a Review

NPPES record last updated: September 16, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 16, 2019, Nov 19, 2018 (2 updates tracked since 2018).

About Philip Seungwoo Yang Md NPPES

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

PHILIP SEUNGWOO YANG MD (NPI 1821157553) is an individual nephrology provider in Fountain Valley, California, licensed in California (A84891) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1821157553
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NamePHILIP SEUNGWOO YANGCredential: MD
Location Address11100 WARNER AVE STE 158Fountain Valley, CA 92708-7510
Mailing Address11100 Warner Ave Ste 158Fountain Valley, CA 92708-7510 · (714) 486-2586 · Fax (714) 432-8885
Fax(714) 432-8885
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateDecember 8, 2006
Last NPPES UpdateSeptember 16, 20192 updates tracked since enumeration
NPI 1821157553 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 · A84891
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 A84891 (CA)
11100 WARNER AVE STE 158, Fountain Valley, CA 92708

Other Identifiers 1

MedicaidA84891CA

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

Philip Seungwoo Yang 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 ID8325081052
PECOS Enrollment IDI20050603000729
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 13

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.
2,401 services424 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.
655 services129 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.
569 services80 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.
562 services482 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.
495 services219 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
188 services70 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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 5

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers38 claims5,055 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims1,800 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers44 claims4,920 services$0.19 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
5 suppliers44 claims44 services$18.07 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
5 suppliers52 claims53 services$11.92 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 5

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

Internal Medicine
11100 WARNER AVE STE 158
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Nephrology)
11100 WARNER AVE STE 158
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Nephrology)
11100 WARNER AVE STE 158
FOUNTAIN VALLEY, CA 92708
Internal Medicine (Nephrology)
11100 WARNER AVE STE 158
FOUNTAIN VALLEY, CA 92708
Specialist
11100 WARNER AVE STE 158
FOUNTAIN VALLEY, CA 92708

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 Philip Yang's NPI number?

The NPI number for Philip Yang is 1821157553. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Philip Yang located?

Philip Yang practices at 11100 Warner Ave Ste 158, Fountain Valley, CA 92708. The listed phone number is (714) 486-2586.

What is Philip Yang's specialty?

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

Is Philip Yang enrolled in Medicare?

Yes. Philip Yang 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 Philip Yang was last updated on September 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.