Marcelo Orias, MD
Nephrology Physician · Stamford, CT
Marcelo Orias, MD is a nephrology physician with a practice address in Stamford, Connecticut, and NPI 1194311977, issued on Dec 16, 2020. Check the license (Connecticut 32505, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marcelo Orias
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 32505 CT
Self-reported in NPPES; status is on the state search - Practice location
- 260 Long Ridge RD, Stamford, CT 06902
- Phone
- (877) 925-3637
- Enumerated
- Dec 16, 2020
- Entity
- Type 1 · individual
Also registered at 260 Long Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mariam AnsariFamily Medicine Physician1164884334
- J Christian Belisario, DOSports Medicine (Physical Medicine & Rehabilitation) Physician1265992309
- Alicia Colquhoun, FNP-BCFamily Nurse Practitioner1265263313
- Rosalba DiiorioFamily Nurse Practitioner1083480370
- Elyse Erlich, MDInternal Medicine Physician1376614750
- Gabriella Forman, M.D.Adult Medicine Physician1902484256
Verify Marcelo Orias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 32505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average nephrology physician in 2024
44 Medicare Part D claims for 14 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate12 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 Medicare quality score for 2023: 73.6 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).
Nephrology Physician providers in Connecticut
There are 142 nephrology physician records in Connecticut.
Other nephrology physician records in Connecticut
- Mervet Abouelkair, M.D.New Britain, CT1740295112
- Ali Abu-Alfa, MDNew Haven, CT1841274610
- Nancy Adams, M.D.Farmington, CT1770588592
- Bayode Afolalu, M.D.Orange, CT1548442726
- Feras Al Shami, M.D.New Britain, CT1982086765
- Robert Alpern, MDNew Haven, CT1477785285
- Peter Aronson, MDNew Haven, CT1124002985
- Shehryar Ashraf, M.D.Farmington, CT1982966834
- Revekka BabayevStamford, CT1992022008
- David Baggish, M.D.Middletown, CT1598748808
Common questions
What is Marcelo Orias, MD's NPI number?
Marcelo Orias, MD's National Provider Identifier (NPI) is 1194311977, issued on Dec 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marcelo Orias, MD located?
The NPPES record lists a practice address at 260 Long Ridge RD, Stamford, CT, 06902. Phone: (877) 925-3637. Providers update this record themselves, so call before visiting.
How can I verify Marcelo Orias, MD's license?
NPPES lists Connecticut license number 32505, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcelo Orias, MD prescribe under Medicare Part D?
In 2024, Marcelo Orias, MD had 44 Medicare Part D claims for 14 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.
What is Marcelo Orias, MD's Medicare quality score?
The 2023 MIPS final score is 73.6 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.