Marianne Feitl, MD
NPI 1609837376 · Ophthalmology Physician · Merrionette Park, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Feitl, MD is a Ophthalmology Physician provider in Merrionette Park, IL (NPI 1609837376).
Provider details
- NPI number
- 1609837376
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 772 | 353 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 396 | 181 |
| Brimonidine Tartrate | 391 | 171 |
| Timolol Maleate | 195 | 90 |
| Dorzolamide Hcl | 173 | 85 |
| Netarsudil Mesylatebrand: Rhopressa | 94 | 31 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 74 | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marianne Feitl's NPI number?
- Marianne Feitl's National Provider Identifier (NPI) is 1609837376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Feitl's specialty?
- Marianne Feitl is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marianne Feitl located?
- Marianne Feitl's practice location on file with NPPES is 11600 S Kedzie Ave, Merrionette Park, IL 60803.
- What is Marianne Feitl's phone number?
- The practice phone number listed in the NPPES registry for Marianne Feitl is (708) 388-4400.
- Does Marianne Feitl accept Medicare?
- Marianne Feitl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Feitl's NPI active?
- Yes — Marianne Feitl's NPI (1609837376) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.