JOHNNY NGUYEN DO M.D.
NPI 1235371675
Internal Medicine in Orange, CA

Active since March 31, 2009PECOS EnrolledAccepts Medicare Assignment
1100 W STEWART DR, ORANGE, CA 92868(714) 771-8000 Get Directions Write a Review

NPPES record last updated: October 21, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 21, 2021, Apr 8, 2021, Oct 21, 2020 (3 updates tracked since 2020).

About Johnny Nguyen Do M.d. NPPES

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

JOHNNY NGUYEN DO M.D. (NPI 1235371675) is an individual internal medicine provider in Orange, California, licensed in California (A107046) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Spokane, and is a graduate of Eastern Virginia Medical School (2007).

NPPES Registry Identity

NPI1235371675
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHNNY NGUYEN DOCredential: M.D.
Location Address1100 W STEWART DROrange, CA 92868-3849
Mailing Address5633 N Lidgerwood StSpokane, WA 99208-1224 · (509) 868-0876
Sole ProprietorYes
Medical School CMSEastern Virginia Medical SchoolGraduated 2007
Enumeration DateMarch 31, 2009
Last NPPES UpdateOctober 21, 20213 updates tracked since enumeration
NPPES CertifiedOctober 21, 2021
NPI 1235371675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in CA · A107046 Licensed in WA · MD60335318
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 ListedPediatricsTaxonomy 208000000X · License MD60335318 (WA)
Also ListedHospitalistTaxonomy 208M00000X · License MD60335318 (WA)
1100 W STEWART DR, Orange, CA 92868

Secondary Practice Location 1

Location 15633 N Lidgerwood StSpokane, WA 99208-1224 · Phone (509) 868-0876

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

Johnny Nguyen Do 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 ID42453359
PECOS Enrollment IDI20150918000346
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 4

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 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.
327 services142 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.
105 services103 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
90 services89 patients
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.
69 services52 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier13 claims13 services$0.27 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 20

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

Psychiatry & Neurology (Psychiatry)
1100 W STEWART DR, ER DEPARTMENT
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Radiology (Diagnostic Radiology)
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Pharmacist
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
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 Johnny Do's NPI number?

The NPI number for Johnny Do is 1235371675. It was assigned to this individual provider in the NPPES registry on March 31, 2009.

Where is Johnny Do located?

Johnny Do practices at 1100 W Stewart Dr, Orange, CA 92868. The listed phone number is (714) 771-8000.

What is Johnny Do's specialty?

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

Is Johnny Do enrolled in Medicare?

Yes. Johnny Do 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 Johnny Do was last updated on October 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.