Jack Peter Kotlarz, MD
Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Rockford, IL
Jack Peter Kotlarz, MD is a plastic surgery within the head & neck (otolaryngology) physician with a practice address in Rockford, Illinois, and NPI 1922090646, issued on Aug 18, 2005. Check the license (Illinois 036170362, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jack Peter Kotlarz
- Credential
- MD
- Primary taxonomy
- Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X
- License numbers
- 036170362 IL
ME62757 FL
2024013411 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1253 N Alpine RD, Rockford, IL 61107
- Phone
- (779) 696-9201
- Enumerated
- Aug 18, 2005
- Record last updated
- Dec 10, 2024
- Fax
- (815) 397-9667
- Medicaid ID
- 253548300 FL
- Medicare enrollment
- Enrolled (PECOS I20090501000460); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1987
- Entity
- Type 1 · individual
8 nearest plastic surgery within the head & neck (otolaryngology) physician records → All 20 in Illinois → Look up another NPI →
Also registered at 1253 N Alpine RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn AwenderAudiologist1942227905
- Ann Broughton, M.A.Audiologist1194903849
- Michaela FritzFamily Nurse Practitioner1154166882
- Amrutha Mary George, M.D.Endocrinology, Diabetes & Metabolism Physician1013267194
- James Harding, PA-CPhysician Assistant1487166310
- Heath Hoffman, D.P.M.Foot & Ankle Surgery Podiatrist1528231354
Verify Jack Peter Kotlarz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036170362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average plastic surgery within the head & neck (otolaryngology) physician in 2024
184 Medicare Part D claims for 109 beneficiaries, against an average of 393 among the 492 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl37 claims
- Fluticasone Propionate18 claims
- Montelukast Sodium13 claims
- Ipratropium Bromide12 claims
- Diazepam11 claims
- Tizanidine Hcl11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $96.75
1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 388 providers of this specialty with any payment received $1,454.84 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
- Ocala Health Surgical Group LLCOcala, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Peter Kotlarz among 20 plastic surgery within the head & neck (otolaryngology) physician records in Illinois
Jack Peter Kotlarz, MD is one of 20 plastic surgery within the head & neck (otolaryngology) physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 75% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1987 · median 1994 among the 11 with a school on file
- Record last updated2024 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0007X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Plastic Surgery within the Head & Neck (Otolaryngology) Physician providers in Illinois
There are 20 plastic surgery within the head & neck (otolaryngology) physician records in Illinois.
All 20 in Illinois → Every provider in Rockford → Plastic Surgery within the Head & Neck (Otolaryngology) Physician nationwide →
The 8 plastic surgery within the head & neck (otolaryngology) physician records with the nearest ZIP codes
- Jonathan Ferguson, MDRockford, IL 611071669452934
- Kenneth Nissim, M.D.Rockford, IL 611071447246392
- Fazlur Zahurullah, MDRockford, IL 611141720068695
- Michael Gootee, MDPeoria, IL 616031720050982
- Jill Jeffe, MDChicago, IL 606111588820104
- Gordon Siegel, M.D.Chicago, IL 606111982609103
- Peter Brusca, M.D.Chicago, IL 606101558646745
- Jordan Pritikin, M.D.Chicago, IL 606021770585259
Common questions
What is Jack Peter Kotlarz, MD's NPI number?
Jack Peter Kotlarz, MD's National Provider Identifier (NPI) is 1922090646, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jack Peter Kotlarz, MD located?
The NPPES record lists a practice address at 1253 N Alpine RD, Rockford, IL, 61107. Phone: (779) 696-9201. Providers update this record themselves, so call before visiting.
How can I verify Jack Peter Kotlarz, MD's license?
NPPES lists Illinois license number 036170362, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jack Peter Kotlarz, MD prescribe under Medicare Part D?
In 2024, Jack Peter Kotlarz, MD had 184 Medicare Part D claims for 109 beneficiaries; the average among plastic surgery within the head & neck (otolaryngology) physician prescribers was 393. Part D covers Medicare prescriptions only.
What is Jack Peter Kotlarz, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.