Thomas James Zastrow, PA-C
Physician Assistant · Belvidere, IL
Thomas James Zastrow, PA-C is a physician assistant with a practice address in Belvidere, Illinois, and NPI 1679193460, issued on Apr 21, 2020. Check the license (Illinois 085.007982, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas James Zastrow
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085.007982 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1663 Belvidere RD, Belvidere, IL 61008
- Phone
- (815) 544-0040
- Enumerated
- Apr 21, 2020
- Record last updated
- Dec 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221219001731); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2020
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 1663 Belvidere RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Edge, FNPFamily Nurse Practitioner1568228831
- Carrie Kooyenga, PTAPhysical Therapy Assistant1942450515
- Mark Mering, PA-CPhysician Assistant1154506731
- Lisa Nolden, PTAPhysical Therapy Assistant1093029092
- Taylor Watkins, PAPhysician Assistant1609491547
Verify Thomas James Zastrow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085.007982Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average physician assistant in 2024
1,532 Medicare Part D claims for 263 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 861 claims were for opioids.
Most prescribed
- Oxycodone Hcl161 claims
- Oxycodone-Acetaminophen150 claims
- Gabapentin125 claims
- Tramadol Hcl110 claims
- Pregabalin90 claims
- Morphine Sulfate Er83 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): 63.7 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: $603.17
25 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Pain Management Institute, LLCBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas James Zastrow among 4,926 physician assistant records in Illinois
Thomas James Zastrow, PA-C is one of 4,926 physician assistant records with a practice address in Illinois. 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 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2019 among the 3,407 with a school on file
- Record last updated2020 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 physician assistant records list a practice address in Belvidere
They are 3 of the 194 NPPES records with a practice address in Belvidere, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Belvidere → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mark Mering, PA-CBelvidere, IL 610081154506731
- Taylor Watkins, PABelvidere, IL 610081609491547
- Colline Gusse, PAAshton, IL 610061295706505
- Della Croft, PACDixon, IL 610211154347359
- Angela Danielson, PA-CDixon, IL 610211164676896
- Meghan Jurgaitis, PA-CDixon, IL 610211568962009
- Courtney Malinowski, PA-CDixon, IL 610211346040466
- Courtney Teller, PA-CDixon, IL 610211417208505
Common questions
What is Thomas James Zastrow, PA-C's NPI number?
Thomas James Zastrow, PA-C's National Provider Identifier (NPI) is 1679193460, issued on Apr 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Thomas James Zastrow, PA-C located?
The NPPES record lists a practice address at 1663 Belvidere RD, Belvidere, IL, 61008. Phone: (815) 544-0040. Providers update this record themselves, so call before visiting.
How can I verify Thomas James Zastrow, PA-C's license?
NPPES lists Illinois license number 085.007982, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas James Zastrow, PA-C prescribe under Medicare Part D?
In 2024, Thomas James Zastrow, PA-C had 1,532 Medicare Part D claims for 263 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Thomas James Zastrow, PA-C's MIPS final score?
The 2023 MIPS final score is 63.7 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.