NPPES file of Aug 9, 2026

Rubens Sievert, M.D.

Endocrinology, Diabetes & Metabolism Physician · Coconut Creek, FL

Rubens Sievert, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Coconut Creek, Florida, and NPI 1639148547, issued on Mar 14, 2006. Check the license 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
1639148547
Name
Rubens Sievert
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
209219 NY
Self-reported in NPPES; status is on the state search
Practice location
4800 W Hillsboro Blvd., Coconut Creek, FL 33073
Phone
(954) 481-9184
Enumerated
Mar 14, 2006
Record last updated
Feb 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(954) 481-9317
Medicaid ID
01799875 NY
Medicare enrollment
Enrolled (PECOS I20040810001546); 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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Verify Rubens Sievert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license searchCheck 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
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4% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,526 Medicare Part D claims for 395 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Rubens Sievert2,526
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium370 claims
  2. Metformin Hcl150 claims
  3. Ozempic144 claims
  4. Rosuvastatin Calcium118 claims
  5. Methimazole88 claims
  6. Novolog Flexpen79 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 one group practice

  1. United Health Services Hospitals, Inc.Binghamton, NY

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

Rubens Sievert among 656 endocrinology, diabetes & metabolism physician records in Florida

Rubens Sievert, M.D. is one of 656 endocrinology, diabetes & metabolism physician records with a practice address in Florida. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 55% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1982 · median 2002 among the 462 with a school on file
  • Record last updated2018 · 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 207RE0101X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Florida

There are 656 endocrinology, diabetes & metabolism physician records in Florida.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Berenice Ortegon Zambrano, MDCoconut Creek, FL 330731679732374
  2. Ashley Engel, MDCoral Springs, FL 330651003312950
  3. Chang Lim Kim, M.D.Margate, FL 330651710962105
  4. Ryan Kunstadt, M.D.Coral Springs, FL 330651861836694
  5. Harvan Nahmias, MDCoral Springs, FL 330651710025226
  6. John McDonald, D.O.Deerfield Beach, FL 330641073928925
  7. Wu Wen, M.D.Deerfield Beach, FL 330641598711772
  8. Gerald Ginsberg, M.D.Key West, FL 330401760459796

Common questions

What is Rubens Sievert, M.D.'s NPI number?

Rubens Sievert, M.D.'s National Provider Identifier (NPI) is 1639148547, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rubens Sievert, M.D. located?

The NPPES record lists a practice address at 4800 W Hillsboro Blvd., Coconut Creek, FL, 33073. Phone: (954) 481-9184. Providers update this record themselves, so call before visiting.

How can I verify Rubens Sievert, M.D.'s license?

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 Rubens Sievert, M.D. prescribe under Medicare Part D?

In 2024, Rubens Sievert, M.D. had 2,526 Medicare Part D claims for 395 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.