IVY PHUONG NGUYEN DO
NPI 1831695584
Radiology - Diagnostic Radiology in San Francisco, CA

Q: What is Ivy Nguyen's NPI number?

The NPI number for Ivy Nguyen is 1831695584. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Q: What is Ivy Nguyen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Ivy Nguyen was last updated on July 10, 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 April 02, 2018PECOS EnrolledAccepts Medicare Assignment

91.85/100

CMS Quality Rating

1001 POTRERO AVENUE, BLDG. 5, 1ST FL, SAN FRANCISCO, CA 94110(628) 206-8020 Get Directions Write a Review

NPPES record last updated: July 10, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 10, 2023, May 13, 2019 (2 updates tracked since 2019).

On this page

About Ivy Phuong Nguyen Do NPPES

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

IVY PHUONG NGUYEN DO (NPI 1831695584) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (21211) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Reynolds Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1831695584

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameIVY PHUONG NGUYENCredential: DO

Location Address1001 POTRERO AVENUE, BLDG. 5, 1ST FLSan Francisco, CA 94110

Mailing AddressPo Box 743749Los Angeles, CA 90074-3749

Phone(628) 206-8020

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateApril 2, 2018

Last NPPES UpdateJuly 10, 20232 updates tracked since enumeration

NPPES CertifiedJuly 10, 2023

✔ NPI 1831695584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · 21211

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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

1001 POTRERO AVENUE, San Francisco, CA 94110

Open in Google Maps ↗

Secondary Practice Locations 2

Location 12201 Hempstead TpkeEast Meadow, NY 11554-1859 · Phone (516) 572-0123

Location 2Baystate Medical Center 759 Chestnut StreetSpringfield, MA 01199 · Phone (413) 794-0000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Ivy 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 ID1759617327

PECOS Enrollment IDI20240911000880, I20250411000362, I20250414003107, I20251105002149

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

Medicare enrollment records show Ivy Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology Associates, Inc

2,233 mi

Diagnostic Radiology

1 MEDICAL PARK
Wheeling, WV 26003

Reassigned Medicare billing, New York and Pennsylvania enrollments

NPI 1982671889 (304) 243-3270

Fayette Physician Network Inc

2,276 mi

Family Medicine

2175 MCCLELLANDTOWN RD, SUITE 201
Masontown, PA 15461

Reassigned Medicare billing, Pennsylvania, Ohio and West Virginia enrollments
Also billed through NPI 1437823044 (West Virginia)
398 clinicians in this Medicare group

NPI 1780086967 (724) 583-2819

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 20

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.

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

76 services76 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

63 services60 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

57 services56 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

52 services52 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

47 services47 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

44 services44 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

39 services37 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

36 services36 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

36 services36 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

35 services35 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

33 services33 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

21 services20 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

19 services19 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

16 services16 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

15 services15 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

15 services14 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

14 services14 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

13 services13 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

12 services12 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Reynolds Memorial Hospital

Acute Care Hospitals · Glen Dale, WV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number510013

Location800 Wheeling AveGlen Dale, WV 26038 · Marshall County

Emergency services Birthing friendly

Weirton Medical Center, Inc

Acute Care Hospitals · Weirton, WV

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number510023

Location601 Colliers WayWeirton, WV 26062 · Hancock County

Emergency services

Princeton Community Hospital

Acute Care Hospitals · Princeton, WV

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number510046

Location122 12th StreetPrinceton, WV 24740 · Mercer County

Emergency services Birthing friendly

Wheeling Hospital, Inc

Acute Care Hospitals · Wheeling, WV

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number510050

Location1 Medical ParkWheeling, WV 26003 · Ohio County

Emergency services Birthing friendly

Wetzel County Hospital

Acute Care Hospitals · New Martinsville, WV

OwnershipGovernment - Local

CMS Certification Number510072

Location#3 East Benjamin DriveNew Martinsville, WV 26155 · Wetzel County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.85/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

83.53

Promoting Interoperability

100

Improvement Activities

Cost

68.01

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.

PWINT PHYU KHINE D.O.

Radiology (Diagnostic Radiology)

1001 POTRERO AVENUE, BLDG. 5, 1ST FLOOR
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8020

JOYCE SESE DORADO PH D

Psychologist (Clinical)

1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5612

CITY AND COUNY OF SAN FRANCISCO

Nuclear Medicine

1001 POTRERO AVENUE, RM G100
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8580

URMIMALA SARKAR MD

Internal Medicine

1001 POTRERO AVENUE, RM 5H22
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8317

RENA MEI MD

Internal Medicine (Gastroenterology)

1001 POTRERO AVENUE, BUILDING 5, 3RD FLOOR, SUITE 3D
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8823

MICHAEL HARRINGTON HUMPHREYS MD

Internal Medicine

1001 POTRERO AVENUE, BLDG 100 RM 350
SAN FRANCISCO, CA 94110

San Francisco County (415) 476-4617

LLOYD JOSEPH KING MD

Psychiatry & Neurology (Psychiatry)

1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5612

DR. HARINI SARATHY MBBS

Internal Medicine (Nephrology)

1001 POTRERO AVENUE, WARD 17 DIALYSIS CLINIC, BLDG. 100, 3RD FL.
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8242

FEROZ RAHMAN PAPA MD

Internal Medicine

1001 POTRERO AVENUE, BLDG 30 RM 3501K
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-4615

ZAINAB FARZAL M.D.

Otolaryngology

1001 POTRERO AVENUE, BLDG. 5, #4M
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-5476

PAUL RUHR LINDE MD

Psychiatry & Neurology (Psychiatry)

1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5612

GLORIA SUE

Plastic Surgery

1001 POTRERO AVENUE, BUILDING 5, #3M
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8814

KIRA LEVY M.D.

Family Medicine

1001 POTRERO AVENUE, BUILDING 80-83
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5252

RAYMOND KIBBE MEISTER MD

Preventive Medicine (Occupational Medicine)

1001 POTRERO AVENUE, BLDG 30 5TH FLOOR
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5200

KAZIM H. NARSINH M.D.

Radiology (Vascular & Interventional Radiology)

1001 POTRERO AVENUE, BLDG. 5, 1ST FL.
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8020

PATRICK AVILA

Internal Medicine (Gastroenterology)

1001 POTRERO AVENUE, BLDG. 5, 3D
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-8823

CINDY FAYE BELEW CNM NP

Registered Nurse

1001 POTRERO AVENUE, RM 6D14
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-5679

MARY OMALLEY GRAY MD

Internal Medicine (Cardiovascular Disease)

1001 POTRERO AVENUE, RM 5G1
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-3503

AMANDA SUE CARLISLE MD

Anesthesiology

1001 POTRERO AVENUE, RM 2A21
SAN FRANCISCO, CA 94110

San Francisco County (415) 206-8509

DR. MEI ZHU PENG M.D.

Internal Medicine (Nephrology)

1001 POTRERO AVENUE, BLDG. 90, 2ND FL
SAN FRANCISCO, CA 94110

San Francisco County (628) 206-4777

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 Ivy Nguyen's NPI number?

The NPI number for Ivy Nguyen is 1831695584. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Where is Ivy Nguyen located?

Ivy Nguyen practices at 1001 Potrero Avenue Bldg. 5, 1st Fl, San Francisco, CA 94110. The listed phone number is (628) 206-8020.

What is Ivy Nguyen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Ivy Nguyen enrolled in Medicare?

Yes. Ivy 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 Ivy Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ivy Nguyen reassigns Medicare benefits to 2 organizations: Radiology Associates, Inc (Wheeling, WV) and Fayette Physician Network Inc (Masontown, PA). 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 Ivy Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ivy Nguyen accept?

Health plans from CareSource list Ivy Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ivy Nguyen affiliated with any hospitals?

According to CMS data, Ivy Nguyen is affiliated with Reynolds Memorial Hospital, Weirton Medical Center, Inc, Princeton Community Hospital, Wheeling Hospital, Inc and Wetzel County Hospital.

When was this NPI record last updated?

The NPPES record for Ivy Nguyen was last updated on July 10, 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.