Mariann M. Channell, MD
Ophthalmology Physician · St Clair Shores, MI
Mariann M. Channell, MD is an ophthalmology physician with a practice address in St Clair Shores, Michigan, and NPI 1225030596, issued on Jun 1, 2005. Check the license (Michigan 4301043844, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mariann M. Channell
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 4301043844 MI
Self-reported in NPPES; status is on the state search - Practice location
- 21711 Greater Mack Ave, St Clair Shores, MI 48080
- Phone
- (586) 774-0393
- Enumerated
- Jun 1, 2005
- Record last updated
- Jun 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100825000325); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Michigan → Look up another NPI →
Also registered at 21711 Greater Mack Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Bernthal, ODOptometrist1811991391
- James Klein, MDOphthalmology Physician1104828482
Verify Mariann M. Channell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301043844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average ophthalmology physician in 2024
1,578 Medicare Part D claims for 406 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost742 claims
- Lumigan123 claims
- Timolol Maleate117 claims
- Dorzolamide-Timolol72 claims
- Brimonidine Tartrate55 claims
- Restasis54 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): 75.7 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: $163.08
8 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Richard C Mertz JR MD PCSaint Clair Shores, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariann M. Channell among 791 ophthalmology physician records in Michigan
Mariann M. Channell, MD is one of 791 ophthalmology physician records with a practice address in Michigan. 80% 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, 78% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1980 · median 2002 among the 548 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 ophthalmology physician records list a practice address in St Clair Shores
They are 5 of the 164 NPPES records with a practice address in St Clair Shores, and 791 ophthalmology physician records in Michigan.
All 791 in Michigan → Every provider in St Clair Shores → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Guest, MDSaint Clair Shores, MI 480801235796780
- James Klein, MDSt Clair Shores, MI 480801104828482
- Daniel Malach, M.D.Saint Clair Shores, MI 480801487003612
- Michael Clune, M.D.St Clair Shores, MI 480811255327490
- Neal Krasnick, M.D.St Clair Shores, MI 480811619963188
- Anne Nachazel, M.D.St Clair Shores, MI 480811629064183
- Joel Pelavin, M.D.,P.C.Saint Clair Shores, MI 480821881654655
- Daniel Haddad, M.D.,P.C.Troy, MI 480831730157660
Common questions
What is Mariann M. Channell, MD's NPI number?
Mariann M. Channell, MD's National Provider Identifier (NPI) is 1225030596, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mariann M. Channell, MD located?
The NPPES record lists a practice address at 21711 Greater Mack Ave, St Clair Shores, MI, 48080. Phone: (586) 774-0393. Providers update this record themselves, so call before visiting.
How can I verify Mariann M. Channell, MD's license?
NPPES lists Michigan license number 4301043844, 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 Mariann M. Channell, MD prescribe under Medicare Part D?
In 2024, Mariann M. Channell, MD had 1,578 Medicare Part D claims for 406 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mariann M. Channell, MD's MIPS final score?
The 2023 MIPS final score is 75.7 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.