NPPES file of Aug 9, 2026

Sien Susumu-Rafael Rivera, MD

Child & Adolescent Psychiatry Physician · Columbia, SC

Sien Susumu-Rafael Rivera, MD is a child & adolescent psychiatry physician with a practice address in Columbia, South Carolina, and NPI 1336660497, issued on Jun 29, 2017. Check the license (South Carolina 41040, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336660497
Name
Sien Susumu-Rafael Rivera
Credential
MD
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License numbers
41040 SC
LL41040 SC
Self-reported in NPPES; status is on the state search
Practice location
3555 Harden Street Ext Ste 141, Columbia, SC 29203
Phone
(803) 434-4300
Enumerated
Jun 29, 2017
Record last updated
Jul 27, 2022
Fax
(803) 434-4351
Medicare enrollment
Enrolled (PECOS I20220805000885); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2017
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3555 Harden Street Ext Ste 141

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joel Benn, MSN, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1558028746
  2. Leigh BlendowskiPsychiatric/Mental Health Nurse Practitioner1104275148
  3. John Bragg, M.D.Child & Adolescent Psychiatry Physician1790746584
  4. Robert Breen, M.D.Psychiatry Physician1427019181
  5. Amanda Caywood, RNPsychiatric/Mental Health Nurse Practitioner1417520230
  6. John Clinton, LISW-CPClinical Social Worker1780742882

Verify Sien Susumu-Rafael Rivera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 41040
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

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43% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

285 Medicare Part D claims for 32 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.

  1. Sien Rivera285
  2. Specialty average504

Most prescribed

  1. Trazodone Hcl50 claims
  2. Duloxetine Hcl43 claims
  3. Mirtazapine27 claims
  4. Buspirone Hcl17 claims
  5. Escitalopram Oxalate17 claims
  6. Sertraline Hcl17 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 MIPS final score for 2023 (Medicare payment program): 99.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Prisma Health Medical Group-MidlandsColumbia, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sien Susumu-Rafael Rivera among 98 child & adolescent psychiatry physician records in South Carolina

Sien Susumu-Rafael Rivera, MD is one of 98 child & adolescent psychiatry physician records with a practice address in South Carolina. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 84% of them.

  • NPI issued2017 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2017 · median 2003 among the 48 with a school on file
  • Record last updated2022 · 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 2084P0804X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in South Carolina

There are 98 child & adolescent psychiatry physician records in South Carolina.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Elizabeth Baker, M.D.Columbia, SC 292031447409735
  2. John Bragg, M.D.Columbia, SC 292031790746584
  3. Lisa Bryant, M.D.Columbia, SC 292031821065921
  4. Josneldavmatus Faiivae, M.D.Columbia, SC 292031528323961
  5. Alexander Getz, MDColumbia, SC 292031588877856
  6. Sandeep Gude, M.DColumbia, SC 292031790006518
  7. Jennifer Heath, M.D.Columbia, SC 292031629169214
  8. Sarah Johnson, MDColumbia, SC 292031891135711

Common questions

What is Sien Susumu-Rafael Rivera, MD's NPI number?

Sien Susumu-Rafael Rivera, MD's National Provider Identifier (NPI) is 1336660497, issued on Jun 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sien Susumu-Rafael Rivera, MD located?

The NPPES record lists a practice address at 3555 Harden Street Ext Ste 141, Columbia, SC, 29203. Phone: (803) 434-4300. Providers update this record themselves, so call before visiting.

How can I verify Sien Susumu-Rafael Rivera, MD's license?

NPPES lists South Carolina license number 41040, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sien Susumu-Rafael Rivera, MD prescribe under Medicare Part D?

In 2024, Sien Susumu-Rafael Rivera, MD had 285 Medicare Part D claims for 32 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.

What is Sien Susumu-Rafael Rivera, MD's MIPS final score?

The 2023 MIPS final score is 99.3 of 100. 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.