Isadora Ritter, O.D.
Optometrist · New York, NY
Isadora Ritter, O.D. is an optometrist with a practice address in New York, New York, and NPI 1548552110, issued on May 13, 2011. Check the license (New York 390200000X, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isadora Ritter
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 390200000X NY
Self-reported in NPPES; status is on the state search - Practice location
- 33 W 42ND St, New York, NY 10036
- Phone
- (212) 938-5946
- Enumerated
- May 13, 2011
- Record last updated
- Mar 12, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111021000112); may accept Medicare assignment
- Medical or professional school
- State University Of New York - State College Optometry, 2011
- Entity
- Type 1 · individual
8 nearest optometrist records → All 3,535 in New York → Look up another NPI →
Also registered at 33 W 42ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mariam Abdel-Kader, ODStudent in an Organized Health Care Education/Training Program1669304911
- Nouralison Abdella, ODOptometrist1487403614
- Diane Adamczyk, ODOptometrist1710987326
- Shelly Agarwal, O.D.Optometrist1699833095
- Stephanie Aguilar, ODOptometrist1578949442
- Sarah Ahdut, ODOptometrist1922998525
Verify Isadora Ritter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 390200000XCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average optometrist in 2024
433 Medicare Part D claims for 98 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost150 claims
- Dorzolamide-Timolol44 claims
- Restasis43 claims
- Azelastine Hcl36 claims
- Prednisolone Acetate32 claims
- Neomycin-Polymyxin-Dexameth25 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.
Bills Medicare through 2 group practices
- Castle Hill Optometry PLLCBronx, NY
- Vivid Vision Optometry PLLCMount Vernon, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isadora Ritter among 3,535 optometrist records in New York
Isadora Ritter, O.D. is one of 3,535 optometrist records with a practice address in New York. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 57% of them.
- NPI issued2011 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2011 · median 2008 among the 1,667 with a school on file
- Record last updated2017 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in New York
There are 3,535 optometrist records in New York.
All 3,535 in New York → Every provider in New York → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Diane Adamczyk, ODNew York, NY 100361710987326
- Julia Appel, O.D.New York, NY 100361295707701
- Sherry Bass, ODNew York, NY 100361104826536
- Stacy Friedman, O.D.New York, NY 100361407851900
- Michael Heiberger, O.D.New York, NY 100361538131149
- Neera Kapoor, ODNew York, NY 100361902806359
- David Krumholz, ODNew York, NY 100361124028402
- Richard Madonna, O.D.New York, NY 100361194798637
Common questions
What is Isadora Ritter, O.D.'s NPI number?
Isadora Ritter, O.D.'s National Provider Identifier (NPI) is 1548552110, issued on May 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Isadora Ritter, O.D. located?
The NPPES record lists a practice address at 33 W 42ND St, New York, NY, 10036. Phone: (212) 938-5946. Providers update this record themselves, so call before visiting.
How can I verify Isadora Ritter, O.D.'s license?
NPPES lists New York license number 390200000X, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Isadora Ritter, O.D. prescribe under Medicare Part D?
In 2024, Isadora Ritter, O.D. had 433 Medicare Part D claims for 98 beneficiaries; the average among optometrist prescribers was 277. 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.