NPPES file of Aug 9, 2026

Niyasdeen Dieguez Santiesteban, M.D.

Pediatrics Physician · Miami, FL

Niyasdeen Dieguez Santiesteban, M.D. is a pediatrics physician with a practice address in Miami, Florida, and NPI 1669737953, issued on Jul 12, 2012. Check the license (Florida ME 124313, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1669737953
Name
Niyasdeen Dieguez Santiesteban
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
ME 124313 FL
ME124313 FL
Self-reported in NPPES; status is on the state search
Practice location
3100 SW 62ND Ave, Miami, FL 33155
Phone
(786) 599-3419
Enumerated
Jul 12, 2012
Record last updated
Mar 7, 2023
Medicaid ID
373797731 FL
Medicare enrollment
Enrolled (PECOS I20180320000518); accepts Medicare assignment
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 3100 SW 62ND Ave

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

  1. Anas Abdul Kayoum, M.B.BSStudent in an Organized Health Care Education/Training Program1952784894
  2. Mubeena Abdulkarim, M.D.Pediatric Cardiology Physician1669899811
  3. Maria Abramuk PachecoStudent in an Organized Health Care Education/Training Program1376477885
  4. Diana Abreu Molnar, MDPediatrics Physician1467988105
  5. Temidayo Adebiyi, M.D.Pediatrics Physician1811381809
  6. Himanshu Adlakha, M.D.Pediatric Cardiology Physician1629461975

Verify Niyasdeen Dieguez Santiesteban in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME 124313
    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 Florida license search

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15% fewer Medicare Part D claims than the average pediatrics physician in 2024

320 Medicare Part D claims for 178 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Niyasdeen Dieguez Santiesteban320
  2. Specialty average375

Most prescribed

  1. Diclofenac Sodium41 claims
  2. Ibuprofen29 claims
  3. Prednisone22 claims
  4. Amoxicillin-Clavulanate Potass21 claims
  5. Methocarbamol21 claims
  6. Lagevrio (Eua)20 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.

Bills Medicare through 6 group practices

  1. Urgent Care Physicians OF Country Walk LLCMiami, FL
  2. Urgent Care Physicians OF Cutler Bay LLCCutler Bay, FL
  3. Urgent Care Physicians OF Palmetto Bay LLCMiami, FL
  4. Urgent Care Physicians OF Tamiami LLCMiami, FL
  5. Urgent Care Physicians OF West Kendall LLCMiami, FL
  6. Urgent Care Physicians OF Westchester LLCMiami, FL

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

Niyasdeen Dieguez Santiesteban among 3,996 pediatrics physician records in Florida

Niyasdeen Dieguez Santiesteban, M.D. is one of 3,996 pediatrics physician records with a practice address in Florida. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 71% of them.

  • NPI issued2012 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 51% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2008 · median 2010 among the 266 with a school on file
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

412 pediatrics physician records list a practice address in Miami

They are 412 of the 49,442 NPPES records with a practice address in Miami, and 3,996 pediatrics physician records in Florida.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Carla Barreau, M.D.Miami, FL 331551770580896
  2. Ruby Cayco-Bell, MDMiami, FL 331551184691487
  3. Mayra Dominguez-Burns, MDMiami, FL 331551467420927
  4. Ann Marie Font, MDMiami, FL 331551487630596
  5. Rani Gereige, M.D., MPHMiami, FL 331551649256207
  6. Myriam Germain, MDMiami, FL 331551649264250
  7. Ian Jeffries, MDMiami, FL 331551972589943
  8. Rene Lopez-Guerrero, M.D.Miami, FL 331551104824077

Common questions

What is Niyasdeen Dieguez Santiesteban, M.D.'s NPI number?

Niyasdeen Dieguez Santiesteban, M.D.'s National Provider Identifier (NPI) is 1669737953, issued on Jul 12, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Niyasdeen Dieguez Santiesteban, M.D. located?

The NPPES record lists a practice address at 3100 SW 62ND Ave, Miami, FL, 33155. Phone: (786) 599-3419. Providers update this record themselves, so call before visiting.

How can I verify Niyasdeen Dieguez Santiesteban, M.D.'s license?

NPPES lists Florida license number ME 124313, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Niyasdeen Dieguez Santiesteban, M.D. prescribe under Medicare Part D?

In 2024, Niyasdeen Dieguez Santiesteban, M.D. had 320 Medicare Part D claims for 178 beneficiaries; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.

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.