Therese Maria Sassalos, M.D.
Ophthalmology Physician · Detroit, MI
Therese Maria Sassalos, M.D. is an ophthalmology physician with a practice address in Detroit, Michigan, and NPI 1477996502, issued on Apr 8, 2013. Check the license (Michigan 4301102935, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Therese Maria Sassalos
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 4301102935 MI
Self-reported in NPPES; status is on the state search - Practice location
- Henry Ford Hospital, Detroit, MI 48202
- Phone
- (313) 916-2020
- Enumerated
- Apr 8, 2013
- Record last updated
- Aug 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20170713000187); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2013
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Michigan → Look up another NPI →
Also registered at Henry Ford Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Therese Maria Sassalos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301102935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average ophthalmology physician in 2024
150 Medicare Part D claims for 49 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Prednisolone Acetate39 claims
- Brimonidine Tartrate13 claims
- Prednisone12 claims
- Dorzolamide-Timolol11 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: $24.25
1 payment: food and beverage; the largest payer was Surgical Specialties Corporation (us), Inc. (dba Corza Medical). 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
- Henry Ford Health SystemWest Bloomfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Therese Maria Sassalos among 791 ophthalmology physician records in Michigan
Therese Maria Sassalos, M.D. 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 2013, is newer than 73% of them.
- NPI issued2013 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2002 among the 548 with a school on file
- Record last updated2025 · 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).
Ophthalmology Physician providers in Michigan
There are 791 ophthalmology physician records in Michigan.
All 791 in Michigan → Every provider in Detroit → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Brian Bachynski, M.D.Detroit, MI 482021326116914
- Murray Christianson, M.D., F.R.C.S.(C),Detroit, MI 482021003822420
- David Crandall, M.D.Detroit, MI 482021548294416
- Deborah Darnley-Fisch, M.D.Detroit, MI 482021013077411
- Patrick Dennehy, M.D.Detroit, MI 482021295895696
- Uday Desai, M.D.Detroit, MI 482021831259233
- Jason Dilly, M.D.Detroit, MI 482021740340140
- David Goldman, M.D.Detroit, MI 482021629185467
Common questions
What is Therese Maria Sassalos, M.D.'s NPI number?
Therese Maria Sassalos, M.D.'s National Provider Identifier (NPI) is 1477996502, issued on Apr 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Therese Maria Sassalos, M.D. located?
The NPPES record lists a practice address at Henry Ford Hospital, Detroit, MI, 48202. Phone: (313) 916-2020. Providers update this record themselves, so call before visiting.
How can I verify Therese Maria Sassalos, M.D.'s license?
NPPES lists Michigan license number 4301102935, 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 Therese Maria Sassalos, M.D. prescribe under Medicare Part D?
In 2024, Therese Maria Sassalos, M.D. had 150 Medicare Part D claims for 49 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.