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WANJUN BAE M.D.
NPI 1457433906
Internal Medicine - Gastroenterology in Mission Viejo, CA

Active since October 20, 2006PECOS EnrolledAccepts Medicare Assignment
27871 MEDICAL CENTER RD STE 200, MISSION VIEJO, CA 92691(949) 364-5090(949) 364-5427 Get Directions Write a Review

NPPES record last updated: October 26, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 26, 2020, Oct 16, 2019 (2 updates tracked since 2019).

About Wanjun Bae M.d. NPPES

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

WANJUN BAE M.D. (NPI 1457433906) is an individual gastroenterology provider in Mission Viejo, California, licensed in California (A85159) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Columbia School Of Medicine (2002).

NPPES Registry Identity

NPI1457433906
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameWANJUN BAECredential: M.D.
Location Address27871 MEDICAL CENTER RD STE 200Mission Viejo, CA 92691-6406
Mailing Address27871 Medical Center Rd Ste 200Mission Viejo, CA 92691-6406 · (949) 364-5090 · Fax (949) 364-5427
Phone(949) 364-5090
Fax(949) 364-5427
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2002
Enumeration DateOctober 20, 2006
Last NPPES UpdateOctober 26, 20202 updates tracked since enumeration
NPPES CertifiedOctober 26, 2020
✔ NPI 1457433906 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A85159
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License A85159 (CA)
27871 MEDICAL CENTER RD STE 200, Mission Viejo, CA 92691
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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

Wanjun Bae 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 ID5698716926
PECOS Enrollment IDI20050517001008
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 9

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.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
133 services132 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
128 services125 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.
121 services91 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.
97 services76 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
75 services75 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
63 services62 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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 3

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

DANIALD M RODRIGUES M.D.
Internal Medicine (Gastroenterology)
27871 MEDICAL CENTER RD STE 200
MISSION VIEJO, CA 92691
Orange County (949) 364-5090
DORMIR ANESTHESIA SERVICES, INC.
Nurse Anesthetist, Certified Registered
27871 MEDICAL CENTER RD STE 200
MISSION VIEJO, CA 92691
Orange County (760) 519-6632
MRS. KAREN MARIE BERNARD CRNA
Nurse Anesthetist, Certified Registered
27871 MEDICAL CENTER RD STE 200
MISSION VIEJO, CA 92691
Orange County (760) 519-6632

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 Wanjun Bae's NPI number?

The NPI number for Wanjun Bae is 1457433906. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Wanjun Bae located?

Wanjun Bae practices at 27871 Medical Center Rd Ste 200, Mission Viejo, CA 92691. The listed phone number is (949) 364-5090.

What is Wanjun Bae's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Wanjun Bae enrolled in Medicare?

Yes. Wanjun Bae 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 Wanjun Bae was last updated on October 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.