Physician Profile
Jill J. Grennan, M.D.
Unclaimed ProfileAbout Dr. Grennan
Jill J. Grennan, M.D. is a healthcare provider in Omaha, NE specializing in ophthalmology. Jill trained at University of Nebraska College of Medicine, graduating in 1999. According to Medicare claims data, Jill cared for 954 Medicare patients across 1,094 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (402) 552-2020
- Email not available
Practice Locations
4353 DODGE ST
Omaha, NE 68131
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,094 services · 954 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
88 | As often as other peers in Ophthalmology |
| Removal of excessive skin of upper eyelid | Procedure | 15822 |
19 | Too few peers to compare |
| Repair of tendon of upper eyelid | Procedure | 67904 |
16 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
15 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
244 | As often as other peers in Ophthalmology |
| Photography of content of eyes | Treatment | 92285 |
94 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
91 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
67 | As often as other peers in Ophthalmology |
| Exam of visual field with intermediate testing | Treatment | 92082 |
62 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
50 | Less often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other eye doctors in Omaha 7
Same specialty, same city.
Trained at University of Nebraska College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1999 at University of Nebraska College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 6
Providers in NE who bill this service to Medicare most often.
Common questions
What is Jill J. Grennan's specialty?
Jill J. Grennan is an eye doctor in Omaha, NE. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Jill J. Grennan?
Jill J. Grennan is listed at 4353 Dodge St, Omaha, NE 68131. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jill J. Grennan?
The number on file is (402) 552-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Jill J. Grennan's NPI number?
Jill J. Grennan's National Provider Identifier is 1205010006. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Jill J. Grennan's education?
Jill J. Grennan attended University of Nebraska College of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Jill J. Grennan been practicing?
Jill J. Grennan has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Jill J. Grennan known for?
According to Medicare billing data, Jill J. Grennan performs procedures including removal of cataract with insertion of prosthetic lens, removal of excessive skin of upper eyelid and repair of tendon of upper eyelid; provides treatments such as established patient complete exam of visual system and photography of content of eyes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jill J. Grennan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jill J. Grennan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.