GEOFFREY MICHAEL RILEY M.D.
NPI 1730158825
Radiology - Diagnostic Radiology in Stanford, CA

Q: What is the provider's specialty?

The provider's specialty is Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.

Active since March 14, 2006PECOS 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 7, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 7, 2024, Oct 14, 2016 (2 updates tracked since 2016).

On this page

About Geoffrey Michael Riley M.d. NPPES

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

GEOFFREY MICHAEL RILEY M.D. (NPI 1730158825) is an individual diagnostic radiology provider in Stanford, California, licensed in California (G78948) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Creighton University School Of Medicine (1992).

NPPES Registry Identity

NPI1730158825

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameGEOFFREY MICHAEL RILEYCredential: M.D.

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 CMSCreighton University School Of MedicineGraduated 1992

Enumeration DateMarch 14, 2006

Last NPPES UpdateApril 7, 20242 updates tracked since enumeration

NPPES CertifiedApril 7, 2024

✔ NPI 1730158825 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 · G78948

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 11804 Embarcadero Rd, STE 100Palo Alto, CA 94303-3341 · Phone (650) 725-8018

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

Geoffrey Michael Riley 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 ID5890680730

PECOS Enrollment IDI20040218001035

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 76

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.

515 services403 patients

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.

378 services299 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.

264 services229 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.

230 services226 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.

220 services219 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.

191 services152 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.

147 services133 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.

145 services122 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.

136 services136 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.

127 services107 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.

109 services94 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.

102 services93 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.

92 services88 patients

X-ray of shoulder, minimum of 2 views 73030

88 services75 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.

81 services70 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.

79 services79 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.

78 services70 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.

72 services58 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.

69 services69 patients

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

67 services67 patients

X-ray of hip, 2-3 views 73502

66 services65 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.

60 services57 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

60 services60 patients

Mri scan of leg joint without contrast 73721

59 services51 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.

58 services53 patients

X-ray of knee, 3 views 73562

52 services40 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.

50 services50 patients

X-ray of foot, minimum of 3 views 73630

50 services44 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.

47 services47 patients

X-ray of knee, 4 or more views 73564

47 services43 patients

X-ray of hand, minimum of 3 views 73130

44 services39 patients

X-ray of thigh bone, minimum 2 views 73552

41 services39 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

41 services32 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.

40 services39 patients

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

40 services40 patients

Mri scan of arm joint without contrast 73221

39 services38 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.

36 services20 patients

X-ray of wrist, minimum of 3 views 73110

35 services33 patients

X-ray of pelvis, 1-2 views 72170

34 services34 patients

X-ray of knee, 1-2 views 73560

34 services30 patients

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

32 services32 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.

32 services31 patients

Mri scan of lower spinal canal without contrast 72148

31 services31 patients

X-ray of elbow, minimum of 3 views 73080

31 services27 patients

Ct scan of pelvis without contrast 72192

A CT scan of the pelvis without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your lower abdomen area. It helps in detecting issues like injuries, inflammation, or abnormal growths. It doesn't involve any dye injection.

27 services27 patients

X-ray of ankle, minimum of 3 views 73610

27 services23 patients

Mri scan of leg without contrast 73718

An MRI scan of the leg without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the structures in your leg, such as bones, muscles, and blood vessels. No contrast dye is used.

27 services24 patients

X-ray of hand, 2 views 73120

26 services14 patients

X-ray of middle spine, 2 views 72070

An X-ray of the middle spine, or thoracic spine, involves capturing two different images of the area. This non-invasive procedure uses small amounts of radiation to visualize the bones and tissues in your back, helping to identify any abnormalities or injuries.

25 services25 patients

X-ray of lower jaws, upper jaws and teeth 70355

An X-ray of lower jaws, upper jaws, and teeth is a diagnostic procedure that uses radiation to create images of these areas. This helps in identifying issues like tooth decay, gum problems, or jawbone irregularities. It's a quick, painless process and crucial for maintaining oral health.

24 services24 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

24 services24 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.

24 services23 patients

X-ray of upper arm, minimum of 2 views 73060

An X-ray of the upper arm with a minimum of 2 views involves capturing images of your arm from different angles. This helps in assessing the bones and surrounding tissues for any abnormalities or injuries. It's a quick, painless procedure.

24 services23 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

24 services22 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.

23 services23 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

21 services20 patients

Mri scan of leg before and after contrast 73720

An MRI scan of the leg involves using a magnetic field and radio waves to create detailed images of the structures within your leg. Initially, images are taken without a contrast agent. Then, a contrast agent is injected into your body to enhance the images, highlighting certain areas for closer examination.

20 services19 patients

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

19 services19 patients

X-ray of hip, minimum of 4 views 73503

An X-ray of the hip with a minimum of 4 views is a non-invasive procedure that uses a small amount of radiation to produce images of the hip joint from different angles. This helps to diagnose conditions such as fractures, arthritis, or other abnormalities. It's a quick, painless process.

18 services18 patients

Ct scan of leg without contrast 73700

18 services17 patients

X-ray of middle spine, 2 views 72070

16 services16 patients

Mri scan of upper spinal canal without contrast 72141

16 services16 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.

16 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.

15 services15 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

15 services15 patients

X-ray of lower leg, 2 views 73590

14 services14 patients

X-ray of ribs on side of body, 2 views 71100

This procedure involves taking two separate X-ray images of your ribs from different angles. It's a non-invasive test that helps visualize the bones and surrounding areas to detect any abnormalities or injuries. You'll be positioned carefully to capture the best images.

13 services13 patients

Mri scan of pelvis without contrast 72195

An MRI scan of the pelvis without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of the lower part of your body. This helps doctors to identify any abnormalities or issues in that area.

13 services13 patients

X-ray of upper arm, minimum of 2 views 73060

13 services13 patients

X-ray of both hips, minimum of 5 views 73523

An X-ray of both hips with a minimum of 5 views is a non-invasive imaging test. It uses a small amount of radiation to produce images of the hip joints from different angles. This aids in diagnosing conditions such as fractures, arthritis, or other hip abnormalities.

13 services12 patients

Mri scan of leg without contrast 73718

13 services12 patients

Mri scan of leg before and after contrast 73720

13 services12 patients

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

12 services12 patients

X-ray of forearm, 2 views 73090

An X-ray of the forearm, 2 views, is a diagnostic procedure where two different pictures of your forearm are taken using a small amount of radiation. These images help doctors assess your bone health and identify any fractures, infections, or other abnormalities.

12 services12 patients

X-ray of collar bone 73000

An X-ray of the collar bone is a quick, painless test that produces images of this bone to help diagnose fractures or other abnormalities. The procedure involves a small amount of radiation to capture these images. During the test, you'll be asked to stay still to ensure clear results.

11 services11 patients

Ct scan of arm without contrast 73200

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

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.

DR. PRAVENE A NATH M.D.

Emergency Medicine

300 PASTEUR DR, H3200, M/C 5230
PALO ALTO, CA 94305

Santa Clara County (650) 721-6408

DR. DIANA G MC GREGOR MBBS

Anesthesiology

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-6411

DR. LISA MAI LEE MD

Obstetrics & Gynecology

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

JING WANG CHIANG MD

Obstetrics & Gynecology

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 723-4000

DR. KEVIN LEE LETZ DNP, NP

Nurse Practitioner

300 PASTEUR DR, SUMC - PEDS PHYSICIAN BILLING MC:5530
PALO ALTO, CA 94305

Santa Clara County (650) 498-7391

STANFORD HOSPITAL AND CLINIC

Anesthesiology

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 498-7103

STANFORD HOSPITAL AND CLINICS

Internal Medicine (Endocrinology, Diabetes & Metabolism)

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 498-7103

STANFORD HOSPITAL AND CLINCS

Psychiatry & Neurology (Psychiatry)

300 PASTEUR DR
STANFORD, CA 94305

Santa Clara County (650) 498-7103

GEOFFREY MICHAEL RILEY M.D.
NPI 1730158825
Radiology - Diagnostic Radiology in Stanford, CA

About Geoffrey Michael Riley M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Secondary Practice Location 1

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 76

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Other Providers at the Same Location NPPES 20

Frequently Asked Questions

What is Geoffrey Riley's NPI number?

Where is the provider located?

What is the provider's specialty?