Karl Nadolsky, DO
NPI 1053567743 · Endocrinology, Diabetes & Metabolism Physician · Holland, MI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Nadolsky, DO is a Endocrinology, Diabetes & Metabolism Physician provider in Holland, MI (NPI 1053567743).
Provider details
- NPI number
- 1053567743
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101023031 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
325 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 151 | $95 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $135 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 52 | $34 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $140 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 381 | 107 |
| Tirzepatidebrand: Mounjaro | 374 | 81 |
| Empagliflozinbrand: Jardiance | 227 | 55 |
| Pioglitazone Hcl | 213 | 61 |
| Semaglutidebrand: Ozempic | 168 | 48 |
| Hydrocortisone | 132 | 39 |
| Methimazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,122 across 105 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-13
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Karl Nadolsky's NPI number?
- Karl Nadolsky's National Provider Identifier (NPI) is 1053567743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Nadolsky's specialty?
- Karl Nadolsky is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Nadolsky located?
- Karl Nadolsky's practice location on file with NPPES is 650 S Waverly Rd Ste 100, Holland, MI 49423-9121.
- What is Karl Nadolsky's phone number?
- The practice phone number listed in the NPPES registry for Karl Nadolsky is (616) 312-2859.
- Does Karl Nadolsky accept Medicare?
- Karl Nadolsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Nadolsky's NPI active?
- Yes — Karl Nadolsky's NPI (1053567743) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.