Jill Grennan, M.D.
NPI 1205010006 · Ophthalmology Physician · Omaha, NE
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jill Grennan, M.D. is a Ophthalmology Physician provider in Omaha, NE (NPI 1205010006).
Provider details
- NPI number
- 1205010006
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 35214 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
1,094 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 244 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 151 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $83 |
| Photography of Content of Eyes92285 | 94 | $18 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 91 | $35 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 134 | 27 |
| Erythromycin Basebrand: Erythromycin | 85 | 81 |
| Timolol Maleate | 51 | 11 |
| Prednisolone Acetate | 39 | 26 |
| Cyclosporinebrand: Restasis | 30 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 26 | 20 |
| Moxifloxacin Hclbrand: Moxifloxacin | 24 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-28
- Last updated
- 2021-09-09
- Certified
- 2021-09-08
Frequently asked questions
- What is Jill Grennan's NPI number?
- Jill Grennan's National Provider Identifier (NPI) is 1205010006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Grennan's specialty?
- Jill Grennan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jill Grennan located?
- Jill Grennan's practice location on file with NPPES is 4353 Dodge St, Omaha, NE 68131-2709.
- What is Jill Grennan's phone number?
- The practice phone number listed in the NPPES registry for Jill Grennan is (402) 552-2020.
- Does Jill Grennan accept Medicare?
- Jill Grennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jill Grennan's NPI active?
- Yes — Jill Grennan's NPI (1205010006) is active in the NPPES registry as of the last update on 2021-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.