Stanislaw Klek, M.D.
NPI 1497000145 · Endocrinology, Diabetes & Metabolism Physician · Mineola, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stanislaw Klek, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Mineola, NY (NPI 1497000145).
Provider details
- NPI number
- 1497000145
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 274623 (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
13 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
1,062 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 339 | $144 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 282 | $3 |
| Hemoglobin A1c Level83036 | 152 | $9 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 100 | $38 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 73 | $88 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 53 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 228 | 46 |
| Metformin Hcl | 159 | 53 |
| Empagliflozinbrand: Jardiance | 144 | 37 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 111 | 40 |
| Levothyroxine Sodium | 104 | 36 |
| Insulin Aspartbrand: Novolog Flexpen | 102 | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-18
- Last updated
- 2021-03-24
- Certified
- 2021-03-24
Frequently asked questions
- What is Stanislaw Klek's NPI number?
- Stanislaw Klek's National Provider Identifier (NPI) is 1497000145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stanislaw Klek's specialty?
- Stanislaw Klek is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Stanislaw Klek located?
- Stanislaw Klek's practice location on file with NPPES is 101 Mineola Blvd, Mineola, NY 11501-4007.
- What is Stanislaw Klek's phone number?
- The practice phone number listed in the NPPES registry for Stanislaw Klek is (516) 663-3511.
- Does Stanislaw Klek accept Medicare?
- Stanislaw Klek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stanislaw Klek's NPI active?
- Yes — Stanislaw Klek's NPI (1497000145) is active in the NPPES registry as of the last update on 2021-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.