GARTH HOWLAND HARLEY JR. MD
NPI 1194715078
Radiology - Diagnostic Radiology in Tracy, CA

Q: What is Garth Harley's NPI number?

The NPI number for Garth Harley is 1194715078. It was assigned to this individual provider in the NPPES registry on October 24, 2005.

Q: What is Garth Harley'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 Garth Harley was last updated on January 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 October 24, 2005PECOS EnrolledAccepts Medicare Assignment

90.81/100

CMS Quality Rating

1530 BESSIE AVE, SUITE 108, TRACY, CA 95376(209) 342-2300(209) 524-4240 Get Directions Write a Review

NPPES record last updated: January 28, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Garth Howland Harley Jr. Md NPPES

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

GARTH HOWLAND HARLEY JR. MD (NPI 1194715078) is an individual diagnostic radiology provider in Tracy, California, licensed in California (G68992) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1988).

NPPES Registry Identity

NPI1194715078

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameGARTH HOWLAND HARLEY JR.Credential: MD

Location Address1530 BESSIE AVE, SUITE 108Tracy, CA 95376-3080

Mailing Address4301 Northstar WayModesto, CA 95356-9262 · (209) 342-2300 · Fax (209) 524-4240

Phone(209) 342-2300

Fax(209) 524-4240

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1988

Enumeration DateOctober 24, 2005

Last NPPES UpdateJanuary 28, 2008

✔ NPI 1194715078 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 · G68992

Definition

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

1530 BESSIE AVE, Tracy, CA 95376

Open in Google Maps ↗

Other Identifiers 9

Medicare PIN00G689927CA

Other00G689920CA · Blue Shield

Medicare UPINF06773

Medicare PIN00G689922CA

Medicare PIN00G689925CA

Medicare PIN00G689921CA

Medicare PIN00G689923CA

Medicaid00G689920CA

Medicare PIN00G689926CA

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

Garth Howland Harley Jr. 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 ID8426032392

PECOS Enrollment IDI20041118000274

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 Garth Harley reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of San Joaquin

13 mi

General Acute Care Hospital

500 W. HOSPITAL RD.
French Camp, CA 95231

Reassigned Medicare billing, California enrollment
534 clinicians in this Medicare group

NPI 1801830583 (209) 468-6937

San Joaquin Faculty Medical Group

13 mi

Internal Medicine

500 HOSPITAL RD
French Camp, CA 95231

Reassigned Medicare billing, California enrollment
512 clinicians in this Medicare group

NPI 1225063761 (209) 473-6555

Adventist Health Physicians Network

16 mi

Thoracic Surgery (Cardiothoracic Vascular Surgery)

530 W ACACIA ST STE 23
Stockton, CA 95203

Reassigned Medicare billing, California enrollment
678 clinicians in this Medicare group

NPI 1811730856 (209) 334-8531

Dignity Health Medical Foundation

17 mi

Multi-Specialty

3132 W MARCH LN, SUITE 5
Stockton, CA 95219

Reassigned Medicare billing, California enrollment
1,191 clinicians in this Medicare group

NPI 1861410581 (209) 475-5500

Bay Imaging Consultants Medical Group Inc

21 mi

Diagnostic Radiology

2400 BALFOUR RD
Brentwood, CA 94513

Reassigned Medicare billing, California enrollment
181 clinicians in this Medicare group

NPI 1730335605 (925) 296-7156

Lodi Memorial Hospital Association, Inc

21 mi

Primary Care

10200 TRINITY PARKWAY, SUITE 102
Stockton, CA 95219

Reassigned Medicare billing, California enrollment
221 clinicians in this Medicare group

NPI 1982860995 (209) 948-0808

Delta Radiology, Inc.

27 mi

Specialist

975 S FAIRMONT AVE
Lodi, CA 95240

Reassigned Medicare billing, California enrollment
34 clinicians in this Medicare group

NPI 1881728327 (209) 334-3411

County Of Santa Clara

34 mi

Federally Qualified Health Center (FQHC)

143 N MAIN ST
Milpitas, CA 95035

Reassigned Medicare billing, California enrollment
Also billed through NPI 1043354020 (California)
2,460 clinicians in this Medicare group

NPI 1285629899 (408) 885-5000

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 21

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 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.

284 services272 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.

93 services92 patients

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.

72 services71 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.

30 services30 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.

22 services22 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 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.

20 services20 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.

19 services19 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.

19 services19 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.

19 services19 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

19 services19 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.

18 services18 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.

16 services16 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.

16 services16 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

15 services15 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.

13 services13 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.

13 services13 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.

13 services13 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

11 services11 patients

Ct scan of upper spine with contrast 72126

A CT scan of the upper spine with contrast is a diagnostic test. A special dye is used to highlight certain areas, providing clearer images. This helps detect issues such as injuries, infections, or tumors in the neck and upper back. It's a painless procedure.

11 services11 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95376 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

90.81/100

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

Scored as part of a group practice

Quality

85.12

Improvement Activities

Other Providers at the Same Location NPPES 19

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

DR. ROBERT MARROQUIN ACOSTA D.O.

Family Medicine

1530 BESSIE AVE
TRACY, CA 95376

San Joaquin County (209) 834-1443

RICHARD MICHAEL PORZIO MD

Radiology (Diagnostic Radiology)

1530 BESSIE AVE, STE 108
TRACY, CA 95376

San Joaquin County (209) 342-2300

MARIO P SATTAH MD

Radiology (Diagnostic Radiology)

1530 BESSIE AVE, SUITE 108
TRACY, CA 95376

San Joaquin County (209) 833-2393

CHULL SUNG SONG MD

Radiology (Diagnostic Radiology)

1530 BESSIE AVE, STE 108
TRACY, CA 95376

San Joaquin County (209) 342-2300

PRANJALKUMAR H PATEL M.D.

Family Medicine

1530 BESSIE AVE, SUITE 105
TRACY, CA 95376

San Joaquin County (209) 836-3967

AIBAR HERBERTO HUATUCO M.D.

Internal Medicine (Nephrology)

1530 BESSIE AVE, SUITE 102
TRACY, CA 95376

San Joaquin County (209) 836-1627

ADVANCED IMAGING OF TRACY LLC

Radiology (Diagnostic Radiology)

1530 BESSIE AVE, SUITE 108
TRACY, CA 95376

San Joaquin County (209) 342-2300

HELENE NOVESTERAS MD A PROFESSIONAL CORP

Preferred Provider Organization

1530 BESSIE AVE, # 106
TRACY, CA 95376

San Joaquin County (209) 833-3386

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 Garth Harley's NPI number?

The NPI number for Garth Harley is 1194715078. It was assigned to this individual provider in the NPPES registry on October 24, 2005.

Where is Garth Harley located?

Garth Harley practices at 1530 Bessie Ave Suite 108, Tracy, CA 95376. The listed phone number is (209) 342-2300.

What is Garth Harley's specialty?

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

Is Garth Harley enrolled in Medicare?

Yes. Garth Harley 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 Garth Harley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garth Harley reassigns Medicare benefits to 8 organizations: County Of San Joaquin (French Camp, CA), San Joaquin Faculty Medical Group (French Camp, CA), Adventist Health Physicians Network (Stockton, CA), Dignity Health Medical Foundation (Stockton, CA), Bay Imaging Consultants Medical Group Inc (Brentwood, CA) and 3 more organizations, listed in the Medicare section above. 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 Garth Harley'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 Garth Harley was last updated on January 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.