Garth Troy Greenwell, D.O.
Physical Medicine & Rehabilitation Physician · Pleasanton, CA
Garth Troy Greenwell, D.O. is a physical medicine & rehabilitation physician with a practice address in Pleasanton, California, and NPI 1578676789, issued on Aug 15, 2006. Check the license (California 20A11365, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Garth Troy Greenwell
- Credential
- D.O.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- 20A11365 CA
O-0367 ID
Self-reported in NPPES; status is on the state search - Practice location
- 5725 W Las Positas Blvd, Pleasanton, CA 94588
- Phone
- (925) 469-6274
- Enumerated
- Aug 15, 2006
- Record last updated
- Jan 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (925) 924-1769
- Medicare enrollment
- Enrolled (PECOS I20230612001473); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2012
- Entity
- Type 1 · individual
Also registered at 5725 W Las Positas Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vandana Boparai, MDInternal Medicine Physician1851432652
- Karen Buntjer, R.D., C.D.E.Registered Dietitian1598978132
- Zhanna Byalaya, PAPhysician Assistant1083740542
- Brooke Caldwell, M.D.Diagnostic Radiology Physician1134176969
- Hanh-Nguyen Do, MDObstetrics & Gynecology Physician1003907338
- Barbara Egan, M.D.Medical Oncology Physician1154418622
Verify Garth Troy Greenwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
184 Medicare Part D claims for 75 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 114 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen42 claims
- Oxycodone Hcl32 claims
- Tramadol Hcl14 claims
- Gabapentin12 claims
- Naproxen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,030.53
8 payments; by number, the most common kind was food and beverage; the largest payer was SI-Bone, Inc. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Minidoka Memorial HospitalRupert, ID · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
Other physical medicine & rehabilitation physician records in California
- Payandeh Abadee, M.D.San Pedro, CA1376557793
- Sherif Abdalla, MDFresno, CA1750563128
- Alexan Abdel-Malek, MDSylmar, CA1457410060
- Alicia Abels, M.D.Folsom, CA1336234442
- Gary Abrams, M.D.San Francisco, CA1346213246
- Michael Acord, MDCosta Mesa, CA1205903101
- Hugh Adams, M.D.Long Beach, CA1962436774
- Lefkos Aftonomos, M.D.San Mateo, CA1972544088
- Haleh Agdassi, M.D.Palo Alto, CA1477664159
- Reena Agrawal, MDPalo Alto, CA1720257520
Common questions
What is Garth Troy Greenwell, D.O.'s NPI number?
Garth Troy Greenwell, D.O.'s National Provider Identifier (NPI) is 1578676789, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Garth Troy Greenwell, D.O. located?
The NPPES record lists a practice address at 5725 W Las Positas Blvd, Pleasanton, CA, 94588. Phone: (925) 469-6274. Providers update this record themselves, so call before visiting.
How can I verify Garth Troy Greenwell, D.O.'s license?
NPPES lists California license number 20A11365, 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.
How much does Garth Troy Greenwell, D.O. prescribe under Medicare Part D?
In 2024, Garth Troy Greenwell, D.O. had 184 Medicare Part D claims for 75 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
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.