Karen S. Staack, M.D.
Family Medicine Physician · Gretna, NE
Karen S. Staack, M.D. is a family medicine physician with a practice address in Gretna, Nebraska, and NPI 1831161587, issued on Feb 6, 2006. Check the license (Nebraska 21481, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Karen S. Staack
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 21481 NE
Self-reported in NPPES; status is on the state search - Practice location
- 102 W Gruenther RD, Gretna, NE 68028
- Phone
- (402) 332-2772
- Enumerated
- Feb 6, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (402) 332-5446
- Medicaid ID
- 470710146-13 NE
- Medicare enrollment
- Enrolled (PECOS I20091023000367); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,287 in Nebraska → Look up another NPI →
Also registered at 102 W Gruenther RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reem Bryson, PAPhysician Assistant1962953513
- Carmella Imig, M.D.Family Medicine Physician1194823302
- Carolyn Kiefer, APRNFamily Nurse Practitioner1518648963
- Derek Marshall, MDFamily Medicine Physician1104320639
- Linda Miodonski, PA-CPhysician Assistant1366163453
- Mitchell Norfleet, PA-CPhysician Assistant1225040900
Verify Karen S. Staack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 21481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average family medicine physician in 2024
6,200 Medicare Part D claims for 423 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 97 claims were for opioids.
Most prescribed
- Atorvastatin Calcium417 claims
- Levothyroxine Sodium274 claims
- Losartan Potassium267 claims
- Metoprolol Succinate256 claims
- Amlodipine Besylate255 claims
- Simvastatin184 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.
Industry payments in 2024: $430.81
19 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Alegent Creighton ClinicGretna, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen S. Staack among 1,287 family medicine physician records in Nebraska
Karen S. Staack, M.D. is one of 1,287 family medicine physician records with a practice address in Nebraska. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 52% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1999 · median 2006 among the 789 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Gretna
They are 7 of the 288 NPPES records with a practice address in Gretna, and 1,287 family medicine physician records in Nebraska.
All 1,287 in Nebraska → Every provider in Gretna → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathleen Archer, ARNPGretna, NE 680281861482762
- Carmella Imig, M.D.Gretna, NE 680281194823302
- Ryan Isherwood, M.D.Gretna, NE 680281346446234
- William Lowndes, M.D.Gretna, NE 680281669522660
- Derek Marshall, MDGretna, NE 680281104320639
- Diva Wilson, MDGretna, NE 680281821595877
- Milo Anderson, M.D.Fremont, NE 680251447200274
- Matthew Beacom, M.D.Fremont, NE 680251568476679
Common questions
What is Karen S. Staack, M.D.'s NPI number?
Karen S. Staack, M.D.'s National Provider Identifier (NPI) is 1831161587, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen S. Staack, M.D. located?
The NPPES record lists a practice address at 102 W Gruenther RD, Gretna, NE, 68028. Phone: (402) 332-2772. Providers update this record themselves, so call before visiting.
How can I verify Karen S. Staack, M.D.'s license?
NPPES lists Nebraska license number 21481, 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 Karen S. Staack, M.D. prescribe under Medicare Part D?
In 2024, Karen S. Staack, M.D. had 6,200 Medicare Part D claims for 423 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.