NPPES file of Aug 9, 2026

Karl Nadolsky, DO

Endocrinology, Diabetes & Metabolism Physician · Holland, MI

Karl Nadolsky, DO is an endocrinology, diabetes & metabolism physician with a practice address in Holland, Michigan, and NPI 1053567743, issued on Aug 13, 2008. Check the license (Michigan 5101023031, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053567743
Name
Karl Nadolsky
Credential
DO
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
5101023031 MI
Self-reported in NPPES; status is on the state search
Practice location
650 S Waverly RD Ste 100, Holland, MI 49423
Phone
(616) 312-2859
Enumerated
Aug 13, 2008
Record last updated
Mar 10, 2025
Fax
(866) 636-2397
Medicare enrollment
Enrolled (PECOS I20170608000394); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 650 S Waverly RD Ste 100

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

  1. Olivia HamiltonPhysician Assistant1396696662

Verify Karl Nadolsky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101023031
    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 Michigan license search

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24% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,268 Medicare Part D claims for 476 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Karl Nadolsky3,268
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium381 claims
  2. Mounjaro374 claims
  3. Jardiance227 claims
  4. Pioglitazone Hcl213 claims
  5. Ozempic168 claims
  6. Hydrocortisone132 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.1
  2. Costout of 100 · 30%69.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,122.08

105 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karl Nadolsky$2,122.08
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Karl Nadolsky among 270 endocrinology, diabetes & metabolism physician records in Michigan

Karl Nadolsky, DO is one of 270 endocrinology, diabetes & metabolism physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2008 · median 2004 among the 195 with a school on file
  • Record last updated2025 · 60% 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 Michigan 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 Michigan

There are 270 endocrinology, diabetes & metabolism physician records in Michigan.

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

  1. Anita Eapen, MDMuskegon, MI 494421740643196
  2. Bryn Pape, DOMuskegon, MI 494421558855544
  3. Philip Tate, MDZeeland, MI 494641528083045
  4. Ruggero Battan, MDGrand Rapids, MI 495031134150147
  5. Emilie Collins, MDGrand Rapids, MI 495031104942085
  6. Gregory Deines, DOGrand Rapids, MI 495031427098532
  7. Cyprian Gardine, MDGrand Rapids, MI 495031659583888
  8. Mohammad Kawji, MD, CCDGrand Rapids, MI 495031811151426

Common questions

What is Karl Nadolsky, DO's NPI number?

Karl Nadolsky, DO's National Provider Identifier (NPI) is 1053567743, issued on Aug 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Karl Nadolsky, DO located?

The NPPES record lists a practice address at 650 S Waverly RD Ste 100, Holland, MI, 49423. Phone: (616) 312-2859. Providers update this record themselves, so call before visiting.

How can I verify Karl Nadolsky, DO's license?

NPPES lists Michigan license number 5101023031, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karl Nadolsky, DO prescribe under Medicare Part D?

In 2024, Karl Nadolsky, DO had 3,268 Medicare Part D claims for 476 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Karl Nadolsky, DO's MIPS final score?

The 2023 MIPS final score is 84.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.