Isadora Ritter, O.D.
NPI 1548552110 · Optometrist · New York, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isadora Ritter, O.D. is a Optometrist provider in New York, NY (NPI 1548552110).
Provider details
- NPI number
- 1548552110
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 390200000X (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
54 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Photography of the Retina92250 | 27 | $42 |
| New Patient Complete Exam of Visual System92004 | 16 | $161 |
| Established Patient Complete Exam of Visual System92014 | 11 | $141 |
Typical Medicare-allowed amounts for these services range $42–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 150 | 32 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 44 | — |
| Cyclosporinebrand: Restasis | 43 | — |
| Azelastine Hcl | 36 | — |
| Prednisolone Acetate | 32 | 22 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 25 | 17 |
| Brimonidine Tartrate | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-13
- Last updated
- 2017-03-12
Frequently asked questions
- What is Isadora Ritter's NPI number?
- Isadora Ritter's National Provider Identifier (NPI) is 1548552110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isadora Ritter's specialty?
- Isadora Ritter is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Isadora Ritter located?
- Isadora Ritter's practice location on file with NPPES is 33 W 42nd St, New York, NY 10036-8005.
- What is Isadora Ritter's phone number?
- The practice phone number listed in the NPPES registry for Isadora Ritter is (212) 938-5946.
- Does Isadora Ritter accept Medicare?
- Isadora Ritter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isadora Ritter's NPI active?
- Yes — Isadora Ritter's NPI (1548552110) is active in the NPPES registry as of the last update on 2017-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.