Robert S. Cady, MD
Glaucoma Specialist (Ophthalmology) Physician · Portland, ME
Robert S. Cady, MD is a glaucoma specialist (ophthalmology) physician with a practice address in Portland, Maine, and NPI 1174529564, issued on Jun 22, 2005. Check the license (Maine MD16442, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert S. Cady
- Credential
- MD
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License numbers
- MD16442 ME
016442 ME
Self-reported in NPPES; status is on the state search - Practice location
- 15 Lowell St, Portland, ME 04102
- Phone
- (207) 774-8277
- Enumerated
- Jun 22, 2005
- Record last updated
- Oct 12, 2023
- Fax
- (207) 699-5850
- Medicaid ID
- 411840099 ME
- Medicare enrollment
- Enrolled (PECOS I20040809000777); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1999
- Entity
- Type 1 · individual
2 nearest glaucoma specialist (ophthalmology) physician records → All 3 in Maine → Look up another NPI →
Also registered at 15 Lowell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nirupama Aggarwal, ODOptometrist1871599928
- Jill Amundson, ODOptometrist1710983861
- Hannah Calvelli, ODOptometrist1205455847
- Benjamin Fowler, MD, PHDOphthalmology Physician1508397050
- Hallie Hahn, MDOphthalmology Physician1083238133
- Sirus Hamzavi, M.D.Ophthalmology Physician1174503825
Verify Robert S. Cady in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD16442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
3,371 Medicare Part D claims for 685 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost756 claims
- Timolol Maleate460 claims
- Lumigan420 claims
- Dorzolamide-Timolol371 claims
- Moxifloxacin154 claims
- Combigan134 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $796.35
31 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 391 providers of this specialty with any payment received $5,284.60 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
- Maine Eye Center PAPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in Maine
There are 3 glaucoma specialist (ophthalmology) physician records in Maine.
All 3 in Maine → Every provider in Portland → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 2 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Curtis Libby, MDPortland, ME 041021275534489
- George Shafranov, M.D.Bangor, ME 044011972542322
Common questions
What is Robert S. Cady, MD's NPI number?
Robert S. Cady, MD's National Provider Identifier (NPI) is 1174529564, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Cady, MD located?
The NPPES record lists a practice address at 15 Lowell St, Portland, ME, 04102. Phone: (207) 774-8277. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Cady, MD's license?
NPPES lists Maine license number MD16442, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert S. Cady, MD prescribe under Medicare Part D?
In 2024, Robert S. Cady, MD had 3,371 Medicare Part D claims for 685 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.
What is Robert S. Cady, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.