Ruben Diaz, MD
Physical Medicine & Rehabilitation Physician · Savannah, GA
Ruben Diaz, MD is a physical medicine & rehabilitation physician with a practice address in Savannah, Georgia, and NPI 1194751024, issued on Jun 23, 2006. Check the license (Georgia 59146, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ruben Diaz
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 59146 GA
Self-reported in NPPES; status is on the state search - Practice location
- 322 Stephenson Ave Ste A, Savannah, GA 31405
- Phone
- (912) 721-2262
- Enumerated
- Jun 23, 2006
- Record last updated
- May 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20080415000474); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 1991
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 317 in Georgia → Look up another NPI →
Also registered at 322 Stephenson Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Markus Niederwanger, MDPhysical Medicine & Rehabilitation Physician1508858887
Verify Ruben Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 59146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
1,219 Medicare Part D claims for 264 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 424 claims were for opioids.
Most prescribed
- Baclofen203 claims
- Tramadol Hcl180 claims
- Gabapentin133 claims
- Hydrocodone-Acetaminophen126 claims
- Tizanidine Hcl96 claims
- Pregabalin79 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 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).
Industry payments in 2024: $195.79
8 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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.
Bills Medicare through one group practice
- Tattnall Hospital Company LLCSavannah, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruben Diaz among 317 physical medicine & rehabilitation physician records in Georgia
Ruben Diaz, MD is one of 317 physical medicine & rehabilitation physician records with a practice address in Georgia. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 72% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2008 among the 187 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Georgia
There are 317 physical medicine & rehabilitation physician records in Georgia.
All 317 in Georgia → Every provider in Savannah → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Markus Niederwanger, MDSavannah, GA 314051508858887
- Miriam Longwater, PTASavannah, GA 314061619606068
- Amber MaxwellSavannah, GA 314061063277879
- Steven Novack, MDSavannah, GA 314041366488504
- Faisal Siddiqui, MDSavannah, GA 314041356591499
- Nicholas Vlahos, DOSavannah, GA 314061932514700
- Jess Arcure, MDSavannah, GA 314191700100351
- Jordan Piros, PTARincon, GA 313261164165700
Common questions
What is Ruben Diaz, MD's NPI number?
Ruben Diaz, MD's National Provider Identifier (NPI) is 1194751024, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruben Diaz, MD located?
The NPPES record lists a practice address at 322 Stephenson Ave Ste A, Savannah, GA, 31405. Phone: (912) 721-2262. Providers update this record themselves, so call before visiting.
How can I verify Ruben Diaz, MD's license?
NPPES lists Georgia license number 59146, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruben Diaz, MD prescribe under Medicare Part D?
In 2024, Ruben Diaz, MD had 1,219 Medicare Part D claims for 264 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Ruben Diaz, MD's MIPS final score?
The 2023 MIPS final score is 100 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.