Garth Howland Harley, MD
Diagnostic Radiology Physician · Tracy, CA
Garth Howland Harley, MD is a diagnostic radiology physician with a practice address in Tracy, California, and NPI 1194715078, issued on Oct 24, 2005. Check the license (California G68992, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Garth Howland Harley
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G68992 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1530 Bessie Ave, Tracy, CA 95376
- Phone
- (209) 342-2300
- Enumerated
- Oct 24, 2005
- Record last updated
- Jan 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 524-4240
- Medicaid ID
- 00G689920 CA
- Medicare enrollment
- Enrolled (PECOS I20041118000274); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1988
- Entity
- Type 1 · individual
Also registered at 1530 Bessie Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Acosta, D.O.Family Medicine Physician1003853649
- Aibar Huatuco, M.D.Nephrology Physician1245223932
- Sam Kokoris, MDDiagnostic Radiology Physician1578553335
- Robert Lim, M.D.Diagnostic Radiology Physician1669430518
- Athanasios Magimbi, MDPain Medicine (Anesthesiology) Physician1851470959
- Joseph Marshall, M.D.Diagnostic Radiology Physician1750341483
Verify Garth Howland Harley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G68992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 90.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- County OF San JoaquinFrensh Camp, CA
- Dignity Health Medical FoundationRoseville, CA
- Lodi Memorial Hospital Association IncLodi, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 diagnostic radiology physician records list a practice address in Tracy
They are 10 of the 1,864 NPPES records with a practice address in Tracy, and 4,500 diagnostic radiology physician records in California.
All 10 in Tracy → All 4,500 in California → Every provider in Tracy →
Other diagnostic radiology physician records in California
- Jason Aaronson, MDLos Angeles, CA1023145463
- Brianna Abadie, M.D.Van Nuys, CA1861811291
- Kenric Aban, M.D.Oceanside, CA1336218023
- Pablo Abbona, MDLos Angeles, CA1689856239
- Rashed AbdelaalRiverside, CA1518726090
- Ahmed Abdelhalim, MDRiverside, CA1275162927
- Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
- Bennett Abe, MDVisalia, CA1184731283
- Stephen Abedon, M.D.Daly City, CA1689628687
- Richard Abello, M.D.La Jolla, CA1245205996
Common questions
What is Garth Howland Harley, MD's NPI number?
Garth Howland Harley, MD's National Provider Identifier (NPI) is 1194715078, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Garth Howland Harley, MD located?
The NPPES record lists a practice address at 1530 Bessie Ave, Tracy, CA, 95376. Phone: (209) 342-2300. Providers update this record themselves, so call before visiting.
How can I verify Garth Howland Harley, MD's license?
NPPES lists California license number G68992, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Garth Howland Harley, MD's MIPS final score?
The 2023 MIPS final score is 90.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.