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SEN V NGUYEN M.D.
NPI 1265886683
Family Medicine in San Francisco, CA

Active since April 21, 2016PECOS EnrolledAccepts Medicare Assignment
1560 SLOAT BLVD STE 333, SAN FRANCISCO, CA 94132(415) 353-9339(415) 353-3450 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 13, 2023, Sep 21, 2022, Oct 13, 2021 and 2 more (5 updates tracked since 2019).

About Sen V Nguyen M.d. NPPES

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

SEN V NGUYEN M.D. (NPI 1265886683) is an individual family medicine provider in San Francisco, California, licensed in California (A176846) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1265886683
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameSEN V NGUYENCredential: M.D.
Location Address1560 SLOAT BLVD STE 333San Francisco, CA 94132-1223
Mailing Address1560 Sloat Blvd Ste 333San Francisco, CA 94132-1223 · (415) 353-9339 · Fax (415) 353-3450
Phone(415) 353-9339
Fax(415) 353-3450
Sole ProprietorYes
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2016
Enumeration DateApril 21, 2016
Last NPPES UpdateSeptember 23, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2025
✔ NPI 1265886683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A176846✔ Licensed in NM · MD2019-0079
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1560 SLOAT BLVD STE 333, San Francisco, CA 94132
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Other Names 1

Former Name (1)Steven Van Nguyen

Secondary Practice Location 1

Location 1995 Potrero Avenue Bldg. 80 Fl 1San Francisco, CA 94110 · Phone (628) 206-5252 · Fax (628) 206-7505

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

Sen V Nguyen 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 ID1759674690
PECOS Enrollment IDI20220811000629
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 Sen Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

City & County Of San Francisco
1.2 mi
Mental Health (Including Community Mental Health Center)
1990 41ST AVE
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1144330309 (415) 753-7255
Ucsf Medical Group Business Services
2.7 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Of California San Francisco
2.7 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1164512851 (415) 476-1000
University Of California Sfgh Medical Group
4.9 mi
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 clinicians in this Medicare group
NPI 1174598296 (628) 206-8610

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.

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.
139 services67 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.
51 services42 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventhealth Orlando

Acute Care Hospitals · Orlando, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100007
Location601 E Rollins StOrlando, FL 32803 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94132 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

KATHERINE MAW CHAN MD
Family Medicine
1560 SLOAT BLVD STE 333
SAN FRANCISCO, CA 94132
San Francisco County (415) 353-9339
CHELSEA LIN MD
Family Medicine
1560 SLOAT BLVD STE 333
SAN FRANCISCO, CA 94132
San Francisco County (415) 353-9339
ERIN REBECCA WALSH MD
Family Medicine
1560 SLOAT BLVD STE 333
SAN FRANCISCO, CA 94132
San Francisco County (415) 353-9339

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 Sen Nguyen's NPI number?

The NPI number for Sen Nguyen is 1265886683. It was assigned to this individual provider in the NPPES registry on April 21, 2016. The provider is also known as Steven Van Nguyen.

Where is Sen Nguyen located?

Sen Nguyen practices at 1560 Sloat Blvd Ste 333, San Francisco, CA 94132. The listed phone number is (415) 353-9339.

What is Sen Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sen Nguyen enrolled in Medicare?

Yes. Sen 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.

Which organizations bill Medicare for Sen Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sen Nguyen reassigns Medicare benefits to 4 organizations: City & County Of San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, 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 Sen Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sen Nguyen affiliated with any hospitals?

According to CMS data, Sen Nguyen is affiliated with Adventhealth Orlando.

When was this NPI record last updated?

The NPPES record for Sen Nguyen was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.