NPPES file of Aug 9, 2026

Jill Jene Grennan, M.D.

Ophthalmology Physician · Omaha, NE

Jill Jene Grennan, M.D. is an ophthalmology physician with a practice address in Omaha, Nebraska, and NPI 1205010006, issued on Dec 28, 2007. Check the license (Nebraska 22492, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205010006
Name
Jill Jene Grennan
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
22492 NE
35214 IA
Self-reported in NPPES; status is on the state search
Practice location
4353 Dodge St, Omaha, NE 68131
Phone
(402) 552-2020
Enumerated
Dec 28, 2007
Record last updated
Sep 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(402) 552-2367
Medicare enrollment
Enrolled (PECOS I20081009000523); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4353 Dodge St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Appenzeller, MDOphthalmology Physician1235340522
  2. Zachary Brown, O.D.Optometrist1790048403
  3. Brent Bruck, MDGlaucoma Specialist (Ophthalmology) Physician1104310192
  4. Mark Emig, MDOphthalmology Physician1235111212
  5. Monica Evans, M.D.Ophthalmology Physician1124118286
  6. Michael FeilmeierOphthalmology Physician1245440437

Verify Jill Jene Grennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
    Search for license 22492
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nebraska license search

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67% fewer Medicare Part D claims than the average ophthalmology physician in 2024

495 Medicare Part D claims for 179 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Jill Grennan495
  2. Specialty average1,518

Most prescribed

  1. Latanoprost134 claims
  2. Erythromycin85 claims
  3. Timolol Maleate51 claims
  4. Prednisolone Acetate39 claims
  5. Restasis30 claims
  6. Neomycin-Polymyxin-Dexameth26 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 68.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.2
  2. Costout of 100 · 30%40.2
  3. Promoting interoperabilityout of 100 · 25%86.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Midwest Eye Care PCOmaha, NE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jill Jene Grennan among 117 ophthalmology physician records in Nebraska

Jill Jene Grennan, M.D. is one of 117 ophthalmology physician records with a practice address in Nebraska. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 62% of them.

  • NPI issued2007 · 62% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1999 · median 1999 among the 76 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Nebraska

There are 117 ophthalmology physician records in Nebraska.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Matthew Appenzeller, MDOmaha, NE 681311235340522
  2. Mark Emig, MDOmaha, NE 681311235111212
  3. Monica Evans, M.D.Omaha, NE 681311124118286
  4. Michael FeilmeierOmaha, NE 681311245440437
  5. Michael Halsted, MDOmaha, NE 681311437131471
  6. Jesse Himebaugh, MDOmaha, NE 681311073855243
  7. Jeffery Hottman, MDOmaha, NE 681311821070889
  8. David Ingvoldstad, MDOmaha, NE 681311922088673

Common questions

What is Jill Jene Grennan, M.D.'s NPI number?

Jill Jene Grennan, M.D.'s National Provider Identifier (NPI) is 1205010006, issued on Dec 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jill Jene Grennan, M.D. located?

The NPPES record lists a practice address at 4353 Dodge St, Omaha, NE, 68131. Phone: (402) 552-2020. Providers update this record themselves, so call before visiting.

How can I verify Jill Jene Grennan, M.D.'s license?

NPPES lists Nebraska license number 22492, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jill Jene Grennan, M.D. prescribe under Medicare Part D?

In 2024, Jill Jene Grennan, M.D. had 495 Medicare Part D claims for 179 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Jill Jene Grennan, M.D.'s MIPS final score?

The 2023 MIPS final score is 68.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.