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DR. HIEN HUY NGUYEN MD
NPI 1811974843
Internal Medicine - Infectious Disease in Sacramento, CA

Active since December 30, 2005PECOS EnrolledAccepts Medicare Assignment
2315 STOCKTON BOULEVARD, MAIN HOSPITAL, SACRAMENTO, CA 95817(916) 734-7506(916) 734-4810 Get Directions Write a Review

NPPES record last updated: April 14, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Hien Huy Nguyen Md NPPES

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

DR. HIEN HUY NGUYEN MD (NPI 1811974843) is an individual infectious disease provider in Sacramento, California, licensed in California (A66151) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1997).

NPPES Registry Identity

NPI1811974843
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. HIEN HUY NGUYENCredential: MD
Location Address2315 STOCKTON BOULEVARD, MAIN HOSPITALSacramento, CA 95817
Mailing Address4150 V Street, Suite 3400Sacramento, CA 95817 · (916) 734-3564 · Fax (916) 734-7924
Phone(916) 734-7506
Fax(916) 734-4810
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1997
Enumeration DateDecember 30, 2005
Last NPPES UpdateApril 14, 2008
✔ NPI 1811974843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A66151
Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License A66151 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A66151 (CA)
2315 STOCKTON BOULEVARD, Sacramento, CA 95817
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Other Identifiers 3

Medicare UPINH13302
Medicare PIN00A661511CA
Medicaid00A661510CA

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

Dr. Hien Huy Nguyen 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 ID840395281
PECOS Enrollment IDI20070413000362
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 5

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.
117 services56 patients
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.
47 services47 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.
29 services23 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
21 services21 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.
16 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

MRS. LAURA M NAKAGAWA LCSW
Social Worker (Clinical)
2315 STOCKTON BOULEVARD, PSSB, SUITE 1300
SACRAMENTO, CA 95817
Sacramento County (916) 734-2583
DR. JOSEPH NILAS YOUNG JR. M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2315 STOCKTON BOULEVARD
SACRAMENTO, CA 95817
Sacramento County (916) 734-7255
BRIDGET MARIE SOPER MS, RD, CNSC
Dietitian, Registered
2315 STOCKTON BOULEVARD, UNIT 101
SACRAMENTO, CA 95817
Sacramento County (707) 477-5438

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 Hien Nguyen's NPI number?

The NPI number for Hien Nguyen is 1811974843. It was assigned to this individual provider in the NPPES registry on December 30, 2005.

Where is Hien Nguyen located?

Hien Nguyen practices at 2315 Stockton Boulevard Main Hospital, Sacramento, CA 95817. The listed phone number is (916) 734-7506.

What is Hien Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Hien Nguyen enrolled in Medicare?

Yes. Hien Nguyen 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 Hien Nguyen was last updated on April 14, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.