Catherine C. Ciantar, D.O.
Internal Medicine Physician · Highland, MI
Catherine C. Ciantar, D.O. is an internal medicine physician with a practice address in Highland, Michigan, and NPI 1437481082, issued on Feb 8, 2010. Check the license (Michigan 5101018219, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Catherine C. Ciantar
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101018219 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2330 S Milford RD, Highland, MI 48357
- Phone
- (248) 676-9060
- Enumerated
- Feb 8, 2010
- Record last updated
- Mar 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121206000372); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 2330 S Milford RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Johnston, PA-CPhysician Assistant1881777373
Verify Catherine C. Ciantar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101018219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average internal medicine physician in 2024
4,171 Medicare Part D claims for 475 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 68 claims were for opioids.
Most prescribed
- Levothyroxine Sodium307 claims
- Atorvastatin Calcium259 claims
- Losartan Potassium163 claims
- Amlodipine Besylate147 claims
- Lisinopril135 claims
- Pantoprazole Sodium114 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: $579.17
30 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.
Bills Medicare through one group practice
- Cedar Bay Medicine PCHighland, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine C. Ciantar among 5,735 internal medicine physician records in Michigan
Catherine C. Ciantar, D.O. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 54% of them.
- NPI issued2010 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2006 among the 3,564 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Highland
They are 3 of the 221 NPPES records with a practice address in Highland, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Highland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Neil Belgiano, D.O.Highland, MI 483571073525507
- Brandon Genson, D.O.Highland, MI 483571548585045
- Timothy Dickson, M.D.Lake Orion, MI 483601366448896
- Theresa Larsen, M.D.Lake Orion, MI 483601477551166
- Amy McCarthy, M.D.Lake Orion, MI 483601972509404
- Kathryn Rice, M.D.Lake Orion, MI 483601245684190
- Nasir Ali, M.D.Hartland, MI 483531881629723
- Michael Cutting, MDHartland, MI 483531154703999
Common questions
What is Catherine C. Ciantar, D.O.'s NPI number?
Catherine C. Ciantar, D.O.'s National Provider Identifier (NPI) is 1437481082, issued on Feb 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Catherine C. Ciantar, D.O. located?
The NPPES record lists a practice address at 2330 S Milford RD, Highland, MI, 48357. Phone: (248) 676-9060. Providers update this record themselves, so call before visiting.
How can I verify Catherine C. Ciantar, D.O.'s license?
NPPES lists Michigan license number 5101018219, 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 Catherine C. Ciantar, D.O. prescribe under Medicare Part D?
In 2024, Catherine C. Ciantar, D.O. had 4,171 Medicare Part D claims for 475 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.