Rubens Sievert, M.D.
NPI 1639148547 · Endocrinology, Diabetes & Metabolism Physician · Coconut Creek, FL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rubens Sievert, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Coconut Creek, FL (NPI 1639148547).
Provider details
- NPI number
- 1639148547
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 209219 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
307 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 167 | $181 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $130 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $132 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $174 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 370 | 110 |
| Metformin Hcl | 150 | 51 |
| Semaglutidebrand: Ozempic | 144 | 43 |
| Rosuvastatin Calcium | 118 | 47 |
| Methimazole | 88 | 25 |
| Insulin Aspartbrand: Novolog Flexpen | 79 | 21 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2018-02-09
Frequently asked questions
- What is Rubens Sievert's NPI number?
- Rubens Sievert's National Provider Identifier (NPI) is 1639148547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rubens Sievert's specialty?
- Rubens Sievert is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Rubens Sievert located?
- Rubens Sievert's practice location on file with NPPES is 4800 W Hillsboro Blvd., Coconut Creek, FL 33073-4371.
- What is Rubens Sievert's phone number?
- The practice phone number listed in the NPPES registry for Rubens Sievert is (954) 481-9184.
- Does Rubens Sievert accept Medicare?
- Rubens Sievert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rubens Sievert's NPI active?
- Yes — Rubens Sievert's NPI (1639148547) is active in the NPPES registry as of the last update on 2018-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.