Grenville Rio-John Fernandes, MD
Physical Medicine & Rehabilitation Physician · Indianapolis, IN
Grenville Rio-John Fernandes, MD is a physical medicine & rehabilitation physician with a practice address in Indianapolis, Indiana, and NPI 1891157046, issued on Mar 27, 2016. Check the license (Indiana 01084046A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Grenville Rio-John Fernandes
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 01084046A IN
Self-reported in NPPES; status is on the state search - Practice location
- 340 W 10TH St # FS5100, Indianapolis, IN 46202
- Phone
- (317) 948-0200
- Enumerated
- Mar 27, 2016
- Record last updated
- Oct 31, 2024
- Medicaid ID
- 300039070 IN
- Medicare enrollment
- Enrolled (PECOS I20200619000310); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 226 in Indiana → Look up another NPI →
Verify Grenville Rio-John Fernandes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01084046ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
378 Medicare Part D claims for 78 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Duloxetine Hcl21 claims
- Tizanidine Hcl21 claims
- Pantoprazole Sodium20 claims
- Gabapentin17 claims
- Ropinirole Hcl17 claims
- Furosemide16 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: $20.03
1 payment: food and beverage; the largest payer was Abbvie 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.
Bills Medicare through 2 group practices
- IU Health Medical Group LLCIndianapolis, IN
- University Family Physicians, Inc.Indianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grenville Rio-John Fernandes among 226 physical medicine & rehabilitation physician records in Indiana
Grenville Rio-John Fernandes, MD is one of 226 physical medicine & rehabilitation physician records with a practice address in Indiana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.
- NPI issued2016 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2016 · median 2008 among the 122 with a school on file
- Record last updated2024 · 48% 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 Indiana 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 Indiana
There are 226 physical medicine & rehabilitation physician records in Indiana.
All 226 in Indiana → Every provider in Indianapolis → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Lois Buschbacher, M.D.Indianapolis, IN 462021467416826
- Angela Carbone, M.D.Indianapolis, IN 462021184688186
- Shashank Dave, D.O.Indianapolis, IN 462021447214440
- Gentry Dodd, MDIndianapolis, IN 462021003077272
- Nabiha Gill, M.D.Indianapolis, IN 462021073577086
- Flora Hammond, MDIndianapolis, IN 462021306860358
- Jessica Kluetz, DOIndianapolis, IN 462021235367616
- Christopher Moriarty, DOIndianapolis, IN 462021194139816
Common questions
What is Grenville Rio-John Fernandes, MD's NPI number?
Grenville Rio-John Fernandes, MD's National Provider Identifier (NPI) is 1891157046, issued on Mar 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Grenville Rio-John Fernandes, MD located?
The NPPES record lists a practice address at 340 W 10TH St # FS5100, Indianapolis, IN, 46202. Phone: (317) 948-0200. Providers update this record themselves, so call before visiting.
How can I verify Grenville Rio-John Fernandes, MD's license?
NPPES lists Indiana license number 01084046A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grenville Rio-John Fernandes, MD prescribe under Medicare Part D?
In 2024, Grenville Rio-John Fernandes, MD had 378 Medicare Part D claims for 78 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Grenville Rio-John Fernandes, 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.