Nathan Demchuk, DO
Internal Medicine Physician · Kalamazoo, MI
Nathan Demchuk, DO is an internal medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1114380540, issued on Apr 2, 2016. Check the license (Michigan 5101027202, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nathan Demchuk
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101027202 MI
Self-reported in NPPES; status is on the state search - Practice location
- 601 John St Ste M-170, Kalamazoo, MI 49007
- Phone
- (269) 381-5060
- Enumerated
- Apr 2, 2016
- Record last updated
- Aug 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20230823000176); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 601 John St Ste M-170
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Chen, MDInternal Medicine Physician1457855546
- Amber JohnsonAmbulatory Care Registered Nurse1194344853
- Harmanpreet Kaur, MDInternal Medicine Physician1154094431
- Matthew Kelly, MDInternal Medicine Physician1013364082
- Grace Lopez, BSN, RNAmbulatory Care Registered Nurse1073142295
- Cynthia McIntosh, BSN, RNGeneral Practice Registered Nurse1033971056
Verify Nathan Demchuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101027202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average internal medicine physician in 2024
3,386 Medicare Part D claims for 419 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 130 claims were for opioids.
Most prescribed
- Atorvastatin Calcium204 claims
- Gabapentin111 claims
- Levothyroxine Sodium107 claims
- Losartan Potassium102 claims
- Amlodipine Besylate100 claims
- Lisinopril69 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): 84.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $202.46
10 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
158 internal medicine physician records list a practice address in Kalamazoo
They are 158 of the 6,553 NPPES records with a practice address in Kalamazoo, and 5,735 internal medicine physician records in Michigan.
All 158 in Kalamazoo → All 5,735 in Michigan → Every provider in Kalamazoo →
Other internal medicine physician records in Michigan
- Jamie Therese Abad, MDDetroit, MI1700573359
- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is Nathan Demchuk, DO's NPI number?
Nathan Demchuk, DO's National Provider Identifier (NPI) is 1114380540, issued on Apr 2, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Demchuk, DO located?
The NPPES record lists a practice address at 601 John St Ste M-170, Kalamazoo, MI, 49007. Phone: (269) 381-5060. Providers update this record themselves, so call before visiting.
How can I verify Nathan Demchuk, DO's license?
NPPES lists Michigan license number 5101027202, 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 Nathan Demchuk, DO prescribe under Medicare Part D?
In 2024, Nathan Demchuk, DO had 3,386 Medicare Part D claims for 419 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nathan Demchuk, DO's MIPS final score?
The 2023 MIPS final score is 84.9 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.