PHUONG NGUYEN DO
NPI 1336609908
Internal Medicine in Sierra Madre, CA

Q: What is Phuong Nguyen's NPI number?

The NPI number for Phuong Nguyen is 1336609908. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Q: What is Phuong Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Phuong Nguyen was last updated on February 2, 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.

Active since March 20, 2019PECOS EnrolledAccepts Medicare Assignment

147 W SIERRA MADRE BLVD, SIERRA MADRE, CA 91024(626) 355-3443(626) 355-7843 Get Directions Write a Review

NPPES record last updated: February 2, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 2, 2023, Jan 25, 2023, Mar 20, 2019 (3 updates tracked since 2019).

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About Phuong Nguyen Do NPPES

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

PHUONG NGUYEN DO (NPI 1336609908) is an individual internal medicine provider in Sierra Madre, California, licensed in California (20A19418) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Touro Un Col Of Osteopathic Medicine, Henderson (2019).

NPPES Registry Identity

NPI1336609908

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NamePHUONG NGUYENCredential: DO

Location Address147 W SIERRA MADRE BLVDSierra Madre, CA 91024-2492

Mailing Address147 W Sierra Madre BlvdSierra Madre, CA 91024-2492 · (626) 355-3443 · Fax (626) 355-7843

Phone(626) 355-3443

Fax(626) 355-7843

Sole ProprietorNo

Medical School CMSTouro Un Col Of Osteopathic Medicine, HendersonGraduated 2019

Enumeration DateMarch 20, 2019

Last NPPES UpdateFebruary 2, 20233 updates tracked since enumeration

NPPES CertifiedFebruary 2, 2023

✔ NPI 1336609908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · 20A19418

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

147 W SIERRA MADRE BLVD, Sierra Madre, CA 91024

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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

Phuong Nguyen Do 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 ID6901289289

PECOS Enrollment IDI20220906002462

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 8

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.

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.

199 services101 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.

69 services54 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

66 services66 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

52 services52 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

30 services28 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

23 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91024 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 8

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

DR. JOSSALYN T EMSLIE M.D.

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