Rolando Ruiz Santos, M.D., M.H.A.
Hospitalist Physician · Stamford, CT
Rolando Ruiz Santos, M.D., M.H.A. is a hospitalist physician with a practice address in Stamford, Connecticut, and NPI 1760689061, issued on Jun 29, 2007. Check the license (Connecticut 047668, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rolando Ruiz Santos
- Credential
- M.D., M.H.A.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 047668 CT
Self-reported in NPPES; status is on the state search - Practice location
- One Hospital Plaza, Stamford, CT 06904
- Phone
- (203) 276-7298
- Enumerated
- Jun 29, 2007
- Record last updated
- Apr 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (203) 276-4842
- Medicare enrollment
- Enrolled (PECOS I20090901000683); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 400 in Connecticut → Look up another NPI →
Also registered at One Hospital Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Scott Chudnoff, MDGynecology Physician1457431934
- John Ciannella, M.D.Neonatal-Perinatal Medicine Physician1689972085
- Sasha Cobotic, MDInternal Medicine Physician1750544292
Verify Rolando Ruiz Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 047668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average hospitalist physician in 2024
299 Medicare Part D claims for 113 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Amlodipine Besylate14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Donepezil Hcl13 claims
- Cephalexin12 claims
- Eliquis12 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): 79.1 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).
Bills Medicare through one group practice
- Stamford Health Medical Group IncStamford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rolando Ruiz Santos among 400 hospitalist physician records in Connecticut
Rolando Ruiz Santos, M.D., M.H.A. is one of 400 hospitalist physician records with a practice address in Connecticut. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 77% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1982 · median 2011 among the 332 with a school on file
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Connecticut
There are 400 hospitalist physician records in Connecticut.
All 400 in Connecticut → Every provider in Stamford → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Timothy McNicoll, M.D.Stamford, CT 069051790750115
- Elizabeth Ropp, D.O.Stamford, CT 069051497011506
- Andreas Bub, MDStamford, CT 069021013545250
- Joshua Cohen, M.D.Stamford, CT 069021427586304
- Lin Corson, DOStamford, CT 069021902249345
- Kwen Ortega-Lingiah, M.D.Stamford, CT 069021124399035
- Saikou Saidy, MDStamford, CT 069021740818855
- Brian Timko, M.D.Stamford, CT 069021659352946
Common questions
What is Rolando Ruiz Santos, M.D., M.H.A.'s NPI number?
Rolando Ruiz Santos, M.D., M.H.A.'s National Provider Identifier (NPI) is 1760689061, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rolando Ruiz Santos, M.D., M.H.A. located?
The NPPES record lists a practice address at One Hospital Plaza, Stamford, CT, 06904. Phone: (203) 276-7298. Providers update this record themselves, so call before visiting.
How can I verify Rolando Ruiz Santos, M.D., M.H.A.'s license?
NPPES lists Connecticut license number 047668, 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 Rolando Ruiz Santos, M.D., M.H.A. prescribe under Medicare Part D?
In 2024, Rolando Ruiz Santos, M.D., M.H.A. had 299 Medicare Part D claims for 113 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Rolando Ruiz Santos, M.D., M.H.A.'s MIPS final score?
The 2023 MIPS final score is 79.1 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.