DR. MICHAEL NGUYEN TRAN M.D.
NPI 1649591454
Surgery in Placentia, CA

Active since June 15, 2010PECOS EnrolledAccepts Medicare Assignment
1325 N ROSE DR STE 210, PLACENTIA, CA 92870(657) 216-6090 Get Directions Write a Review

NPPES record last updated: September 11, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 13, 2019, Sep 14, 2016, Jun 22, 2016 (3 updates tracked since 2016).

About Dr. Michael Nguyen Tran M.d. NPPES

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

DR. MICHAEL NGUYEN TRAN M.D. (NPI 1649591454) is an individual surgery provider in Placentia, California, licensed in California (A148475) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Corona, and is a graduate of University Of Wisconsin School Of Medicine (2010).

NPPES Registry Identity

NPI1649591454
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. MICHAEL NGUYEN TRANCredential: M.D.
Location Address1325 N ROSE DR STE 210Placentia, CA 92870-3800
Mailing Address21 Gramercy Unit 315Irvine, CA 92612-0012
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2010
Enumeration DateJune 15, 2010
Last NPPES UpdateSeptember 11, 20233 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2023
✔ NPI 1649591454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A148475
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedInternal Medicine · Obesity MedicineTaxonomy 207RB0002X · License A148475 (CA)
1325 N ROSE DR STE 210, Placentia, CA 92870

Secondary Practice Location 1

Location 1830 Magnolia Ave Fl 1Corona, CA 92879-3128 · Phone (657) 216-6090

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. Michael Nguyen Tran 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 ID345547808
PECOS Enrollment IDI20170711003280
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 Reassignments

4

Medicare enrollment records show Michael Tran reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
1041 E YORBA LINDA BLVD STE 306
Placentia, CA 92870
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
Orthopaedic Surgery
1400 S HARBOR BLVD
La Habra, CA 90631
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
Surgery
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 180 clinicians in this Medicare group
Surgery
7300 MAGNOLIA AVE
Riverside, CA 92504
  • Reassigned Medicare billing, California enrollment
  • 20 clinicians in this Medicare group

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 3

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.

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.
30 services29 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.
30 services24 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92870 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

Surgery
1325 N ROSE DR STE 210
PLACENTIA, CA 92870
Family Medicine
1325 N ROSE DR STE 210
PLACENTIA, CA 92870
Orthopaedic Surgery
1325 N ROSE DR STE 210
PLACENTIA, CA 92870

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 Tran's NPI number?

The NPI number for Michael Tran is 1649591454. It was assigned to this individual provider in the NPPES registry on June 15, 2010.

Where is Michael Tran located?

Michael Tran practices at 1325 N Rose Dr Ste 210, Placentia, CA 92870. The listed phone number is (657) 216-6090.

What is Michael Tran's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Michael Tran enrolled in Medicare?

Yes. Michael Tran 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 organizations bill Medicare for Michael Tran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Tran reassigns Medicare benefits to 4 organizations: Ocean Surgical Inc (Placentia, CA), Pih Health Physicians (La Habra, CA), University Surgeons Of Orange A Medical Group (Orange, CA) and Mission Surgical Clinic, Inc. (Riverside, CA). Each 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 Michael Tran'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 Michael Tran was last updated on September 11, 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.