LONGHANG NGUYEN MD
NPI 1194894550
Internal Medicine in Sunnyvale, CA

Q: What is Longhang Nguyen's NPI number?

The NPI number for Longhang Nguyen is 1194894550. It was assigned to this individual provider in the NPPES registry on November 7, 2006.

Q: What is Longhang 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 Longhang Nguyen was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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 November 07, 2006PECOS EnrolledAccepts Medicare Assignment

312 W EL CAMINO REAL, SUNNYVALE, CA 94087(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: March 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2025, Dec 29, 2022 (2 updates tracked since 2022).

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About Longhang Nguyen Md NPPES

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

LONGHANG NGUYEN MD (NPI 1194894550) is an individual internal medicine provider in Sunnyvale, California, licensed in California (A67978) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sunnyvale, and is a graduate of University Of California, San Francisco School Of Medicine (1997).

NPPES Registry Identity

NPI1194894550

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameLONGHANG NGUYENCredential: MD

Location Address312 W EL CAMINO REALSunnyvale, CA 94087-1306

Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791

Phone(888) 663-6331

Fax(415) 252-7176

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1997

Enumeration DateNovember 7, 2006

Last NPPES UpdateMarch 17, 20252 updates tracked since enumeration

NPPES CertifiedMarch 17, 2025

✔ NPI 1194894550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A67978

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.

312 W EL CAMINO REAL, Sunnyvale, CA 94087

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Secondary Practice Location 1

Location 11299 Oakmead Pkwy, Suite ASunnyvale, CA 94085-4040 · Phone (408) 520-4510 · Fax (408) 520-4519

Other Identifiers 1

Medicaid00A679780CA

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

Longhang 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 ID1951463041

PECOS Enrollment IDI20081226000007

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.

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.

81 services30 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

23 services18 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

20 services12 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.

14 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94087 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

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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 7

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

TANYA HOANG MSN, FNP-C

Nurse Practitioner