STEPHANIE WAYGWEN HOU MD
NPI 1598089823
Radiology - Diagnostic Radiology in Stanford, CA

Q: What is Stephanie Hou's NPI number?

The NPI number for Stephanie Hou is 1598089823. It was assigned to this individual provider in the NPPES registry on March 15, 2010.

Q: What is Stephanie Hou'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 Stephanie Hou was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 15, 2010PECOS EnrolledAccepts Medicare Assignment

76.5/100

CMS Quality Rating

300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: April 9, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 9, 2024, Mar 6, 2023, Aug 12, 2022 and 5 more (8 updates tracked since 2017).

On this page

About Stephanie Waygwen Hou Md NPPES

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

STEPHANIE WAYGWEN HOU MD (NPI 1598089823) is an individual diagnostic radiology provider in Stanford, California, licensed in California (A114094) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Stanford University School Of Medicine (2009).

NPPES Registry Identity

NPI1598089823

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameSTEPHANIE WAYGWEN HOUCredential: MD

Location Address300 PASTEUR DRStanford, CA 94305-2200

Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000

Phone(650) 723-4000

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 2009

Enumeration DateMarch 15, 2010

Last NPPES UpdateApril 9, 20248 updates tracked since enumeration

NPPES CertifiedApril 9, 2024

✔ NPI 1598089823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · A114094

Definition

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

300 PASTEUR DR, Stanford, CA 94305

Open in Google Maps ↗

Secondary Practice Location 1

Location 14150 Clement Street, Radiology (114)San Francisco, CA 94121 · Phone (415) 221-4810

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

Stephanie Waygwen Hou 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 ID2163653437

PECOS Enrollment IDI20161229000883

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 Stephanie Hou reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stanford Health Care

Same address

General Acute Care Hospital

300 PASTEUR DRIVE
Stanford, CA 94305

Reassigned Medicare billing, California enrollment
4,258 clinicians in this Medicare group

NPI 1437292927 (650) 723-4000

Lpch Medical Group Div Of Lucile

0.2 mi

Children

725 WELCH RD
Palo Alto, CA 94304

Reassigned Medicare billing, California enrollment
3,617 clinicians in this Medicare group

NPI 1417907940 (650) 498-6762

University Of Pittsburgh Physicians

2,228 mi

Neurological Surgery

425 W FIFTH ST, EAST LIVERPOOL CITY HOSPITAL
East Liverpool, OH 43920

Reassigned Medicare billing, Pennsylvania enrollment
7,114 clinicians in this Medicare group

NPI 1811945793 (330) 386-3195

Regional Health Services Inc

2,241 mi

Family Medicine

201 STATE ST
Erie, PA 16550

Reassigned Medicare billing, Pennsylvania enrollment
962 clinicians in this Medicare group

NPI 1174520654 (814) 877-8140

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 35

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.

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

251 services185 patients

X-ray for bone length assessment 77073

An X-ray for bone length assessment is a simple, non-invasive imaging test. It helps to evaluate the length of your bones and identify any discrepancies or abnormalities. This procedure is quick, painless, and provides valuable information for your healthcare provider.

153 services148 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.

95 services74 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.

88 services81 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

77 services77 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

74 services73 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

70 services64 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

69 services65 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

46 services42 patients

X-ray of shoulder, 1 view 73020

An X-ray of the shoulder, 1 view, is a quick, painless test that produces images of the bones and tissues within your shoulder. It helps diagnose conditions such as fractures, infections, or arthritis. You'll be positioned to capture the best view, then a small dose of radiation creates the image.

42 services36 patients

X-ray of entire middle and lower spine, 2-3 views 72082

An X-ray of your middle and lower spine involves capturing images of these areas to identify any abnormalities. The procedure involves taking 2-3 different views for a comprehensive understanding. It's non-invasive and usually painless, helping doctors diagnose conditions like fractures or infections.

39 services39 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

38 services34 patients

X-ray of foot, 2 views 73620

An X-ray of the foot, 2 views, is a quick, painless test that produces images of the bones and structures inside your foot. Two different angles are used to provide a comprehensive view. This helps doctors diagnose fractures, infections, or other abnormalities.

38 services29 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

37 services35 patients

X-ray of finger, minimum of 2 views 73140

An X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.

37 services33 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

33 services26 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

31 services30 patients

X-ray of wrist, 2 views 73100

An X-ray of the wrist, 2 views, is a diagnostic procedure where two different images of your wrist are taken using a small amount of radiation. This helps identify any abnormalities or injuries such as fractures or arthritis. It's a quick, non-invasive process.

25 services22 patients

X-ray of spine, 1 view 72020

An X-ray of the spine, 1 view, is a quick and painless imaging procedure. It uses radiation to capture images of the bones in your spine. It helps in detecting issues like fractures, infections, or tumors. You'll be positioned, the machine captures the image, and you're done. It's a safe, routine procedure.

24 services23 patients

X-ray of both hips, 3-4 views 73522

An X-ray of both hips with 3-4 views is a safe imaging procedure. It involves capturing multiple pictures of your hip joints from different angles. This helps in diagnosing conditions like arthritis or fractures. You'll need to stay still during the process for clear images.

24 services24 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

23 services23 patients

X-ray of ankle, 2 views 73600

An X-ray of the ankle, 2 views, is a quick, painless test that produces images of the bones and joints in your ankle. Two different angles are used to provide a more complete picture. It helps detect fractures, sprains, arthritis, or other abnormalities. It's safe and typically takes only a few minutes.

23 services20 patients

X-ray of entire middle and lower spine, 2-3 views 72082

22 services21 patients

X-ray of hand, 2 views 73120

An X-ray of the hand, 2 views, is a non-invasive imaging test that uses a small amount of radiation to produce pictures of the bones in your hand. Two different angles are captured to provide a comprehensive view. This helps in diagnosing injuries or conditions affecting your hand.

22 services14 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

20 services20 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

19 services18 patients

X-ray of pelvis, 1-2 views 72170

17 services14 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

17 services17 patients

X-ray of spine, 1 view 72020

16 services14 patients

X-ray of entire middle and lower spine, 1 view 72081

An X-ray of the entire middle and lower spine, 1 view, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and structures in your spine. This helps identify any abnormalities, injuries, or diseases.

16 services16 patients

X-ray of both hips, 2 views 73521

An X-ray of both hips, 2 views, is an imaging test that uses a small amount of radiation to create detailed pictures of your hip joints. This procedure helps to detect fractures, infections, or other abnormalities in the hip area. Two different angles will be captured for a comprehensive assessment.

15 services15 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

15 services15 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

14 services14 patients

X-ray of pelvis, minimum of 3 views 72190

An X-ray of the pelvis with a minimum of 3 views is a diagnostic procedure that uses radiation to create images of your lower body area. This helps in detecting issues like fractures, arthritis, or other abnormalities. It's quick, non-invasive, and typically painless.

12 services12 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

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.

76.5/100

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

Scored as part of a group practice

Quality

74.31

Promoting Interoperability

100

Improvement Activities

Cost

43.95

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%868 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

PRISTA CHARUWORN MD

Internal Medicine (Gastroenterology)

300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305

Santa Clara County (650) 723-6661

ANDREW CHARLES PICEL M.D

Radiology (Vascular & Interventional Radiology)

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

MATTHEW A WRIGHT M.D. PH.D.

Psychiatry & Neurology (Psychiatry)

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

DR. QUAZI ZUBAIR AL-TARIQ M.D.

Radiology (Diagnostic Radiology)

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

ANGIE DEE MURKINS NP

Nurse Practitioner

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

DR. JAMSHID GHAJAR MD PHD

Neurological Surgery

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

SARA BAKHTARY M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

300 PASTEUR DR, LANE 235
STANFORD, CA 94305

Santa Clara County (650) 723-5252

YU KUANG LAI MD

Internal Medicine (Critical Care Medicine)

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

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 Stephanie Hou's NPI number?

The NPI number for Stephanie Hou is 1598089823. It was assigned to this individual provider in the NPPES registry on March 15, 2010.

Where is Stephanie Hou located?

Stephanie Hou practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Stephanie Hou's specialty?

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

Is Stephanie Hou enrolled in Medicare?

Yes. Stephanie Hou 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 Stephanie Hou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Hou reassigns Medicare benefits to 4 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), University Of Pittsburgh Physicians (East Liverpool, OH) and Regional Health Services Inc (Erie, 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 Stephanie Hou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Stephanie Hou was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.