Gary S. Kwartowitz, D.O.
Otolaryngology Physician · Clarkston, MI
Gary S. Kwartowitz, D.O. is an otolaryngology physician with a practice address in Clarkston, Michigan, and NPI 1003924820, issued on Aug 29, 2006. Check the license (Michigan GK012039, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gary S. Kwartowitz
- Credential
- D.O.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- GK012039 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5701 Bow Pointe Dr, Clarkston, MI 48346
- Phone
- (248) 620-3100
- Enumerated
- Aug 29, 2006
- Record last updated
- Dec 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (248) 620-3019
- Medicaid ID
- 3477100 MI
- Medicare enrollment
- Enrolled (PECOS I20090128000440); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1993
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 307 in Michigan → Look up another NPI →
Also registered at 5701 Bow Pointe Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra AloiaGerontology Nurse Practitioner1285000869
- Robert Barnes, D.O.Internal Medicine Physician1316961360
- Susan Clark, NPPsychiatric/Mental Health Nurse Practitioner1043525025
- Asha Downs, D.O.Otolaryngology Physician1518076348
- Kathryn DuffeyPhysical Therapist1659569846
- Bianca Green, NPFamily Nurse Practitioner1154872190
Verify Gary S. Kwartowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license GK012039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average otolaryngology physician in 2024
536 Medicare Part D claims for 236 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Omeprazole130 claims
- Ipratropium Bromide87 claims
- Fluticasone Propionate60 claims
- Amoxicillin-Clavulanate Potass26 claims
- Ciprofloxacin Hcl22 claims
- Ciprofloxacin-Dexamethasone18 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.
Industry payments in 2024: $337.05
8 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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
- North Oakland Ear Nose And Throat Centers PCClarkston, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary S. Kwartowitz among 307 otolaryngology physician records in Michigan
Gary S. Kwartowitz, D.O. is one of 307 otolaryngology physician records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1993 · median 2006 among the 201 with a school on file
- Record last updated2009 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Michigan
There are 307 otolaryngology physician records in Michigan.
All 307 in Michigan → Every provider in Clarkston → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Asha Downs, D.O.Clarkston, MI 483461518076348
- Carl Shermetaro, DOClarkston, MI 483461700994530
- Lauren Hecht, DOPontiac, MI 483421194567156
- Vaibhav Kadam, DOPontiac, MI 483421538845482
- Olivia Matz, DOPontiac, MI 483421427890391
- Katrina Minutello, DOPontiac, MI 483421689255770
- Samer Bahu, MDPontiac, MI 483411366547143
- Russell Faust, M.D.Pontiac, MI 483411356429658
Common questions
What is Gary S. Kwartowitz, D.O.'s NPI number?
Gary S. Kwartowitz, D.O.'s National Provider Identifier (NPI) is 1003924820, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary S. Kwartowitz, D.O. located?
The NPPES record lists a practice address at 5701 Bow Pointe Dr, Clarkston, MI, 48346. Phone: (248) 620-3100. Providers update this record themselves, so call before visiting.
How can I verify Gary S. Kwartowitz, D.O.'s license?
NPPES lists Michigan license number GK012039, 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 Gary S. Kwartowitz, D.O. prescribe under Medicare Part D?
In 2024, Gary S. Kwartowitz, D.O. had 536 Medicare Part D claims for 236 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
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.