James Gregory Roberts, M.D., R.V.T. FACS
Vascular Surgery Physician · Modesto, CA
James Gregory Roberts, M.D., R.V.T. FACS is a vascular surgery physician with a practice address in Modesto, California, and NPI 1356346936, issued on Jun 20, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Gregory Roberts
- Credential
- M.D., R.V.T. FACS
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- CDR.0001339 CO
61178 AZ
MC-0454 ID
MD60422790 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1541 Florida Ave Ste 305, Modesto, CA 95350
- Phone
- (209) 575-5833
- Enumerated
- Jun 20, 2005
- Record last updated
- Feb 20, 2025
- Fax
- (209) 575-5836
- Medicaid IDs
- 091474 AZ
061707311 TN - Medicare enrollment
- Enrolled (PECOS I20240916003808); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 1541 Florida Ave Ste 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Brewer, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1467741975
- John Degraft-Johnson, M.D.,Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1043472871
- Mark Jacobs, PAPhysician Assistant1346359866
Verify James Gregory Roberts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average vascular surgery physician in 2024
23 Medicare Part D claims for 12 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.
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: $426.23
6 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 4,059 providers of this specialty with any payment received $6,178.00 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.
Bills Medicare through one group practice
- First Choice Physician PartnersModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Gregory Roberts among 580 vascular surgery physician records in California
James Gregory Roberts, M.D., R.V.T. FACS is one of 580 vascular surgery physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1994 · median 2003 among the 411 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Modesto → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- David Ellertson, M.D.Modesto, CA 953561912964495
- Marissa Toma, MDManteca, CA 953371841615606
- Meredith McBride, MDSonora, CA 953701255439923
- C. Robert Barlow, MDSanta Rosa, CA 954031528142502
- Kirsten Dansey, M.D.Santa Rosa, CA 954031578957981
- Sae Hee Ko, MDSanta Rosa, CA 954031407141757
- Lucinda Romero, MDSanta Rosa, CA 954031174673990
- Michael Pezold, M.D.Santa Rosa, CA 954051720377856
Common questions
What is James Gregory Roberts, M.D., R.V.T. FACS's NPI number?
James Gregory Roberts, M.D., R.V.T. FACS's National Provider Identifier (NPI) is 1356346936, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Gregory Roberts, M.D., R.V.T. FACS located?
The NPPES record lists a practice address at 1541 Florida Ave Ste 305, Modesto, CA, 95350. Phone: (209) 575-5833. Providers update this record themselves, so call before visiting.
How can I verify James Gregory Roberts, M.D., R.V.T. FACS's license?
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 James Gregory Roberts, M.D., R.V.T. FACS prescribe under Medicare Part D?
In 2024, James Gregory Roberts, M.D., R.V.T. FACS had 23 Medicare Part D claims for 12 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.