NPPES file of Aug 9, 2026

Jeffrey L. Kellogg, DO

Family Medicine Physician · Sioux City, IA

Jeffrey L. Kellogg, DO is a family medicine physician with a practice address in Sioux City, Iowa, and NPI 1083657084, issued on Jun 14, 2006. Check the license (Iowa 02201, as entered in NPPES) on the Iowa Board of Medicine; 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
1083657084
Name
Jeffrey L. Kellogg
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
02201 IA
Self-reported in NPPES; status is on the state search
Practice location
4545 Sergeant RD, Sioux City, IA 51106
Phone
(712) 274-2400
Enumerated
Jun 14, 2006
Record last updated
Jan 31, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(712) 274-1484
Medicaid IDs
1098830 IA
7764992 SD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4545 Sergeant RD

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

  1. Richard Andersen, DOFamily Medicine Physician1467612267
  2. Amir Andrawis, M.D.Family Medicine Physician1255303145
  3. Nicholas Bechtold, D.O.Family Medicine Physician1932493749
  4. Janice Galli, DOFamily Medicine Physician1710948088
  5. Betty Gilbert, LISWSocial Worker1710039557
  6. Michael Jennings, MDFamily Medicine Physician1528029170

Verify Jeffrey L. Kellogg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 02201
    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 Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

100% fewer Medicare Part D claims than the average family medicine physician in 2024

12 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Jeffrey Kellogg12
  2. Specialty average3,544

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): 49.2 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 score3.7
  2. Costout of 100 · 30%65.4
  3. Promoting interoperabilityout of 100 · 25%84.0
  4. Improvement activities20 of 40 points · 15%50.0

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

Jeffrey L. Kellogg among 2,336 family medicine physician records in Iowa

Jeffrey L. Kellogg, DO is one of 2,336 family medicine physician records with a practice address in Iowa. 75% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2011 · 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

88 family medicine physician records list a practice address in Sioux City

They are 88 of the 1,486 NPPES records with a practice address in Sioux City, and 2,336 family medicine physician records in Iowa.

The 8 family medicine physician records with the nearest ZIP codes

  1. Richard Andersen, DOSioux City, IA 511061467612267
  2. Amir Andrawis, M.D.Sioux City, IA 511061255303145
  3. Rodney Cassens, MDSioux City, IA 511061063455053
  4. Janice Galli, DOSioux City, IA 511061710948088
  5. Gregory Halbur, M.D.Sioux City, IA 511061780624205
  6. Michael Jennings, MDSioux City, IA 511061528029170
  7. Richard Kipp, D.O.Sioux City, IA 511061003874967
  8. Delna Lee, MDSioux City, IA 511061629039359

Common questions

What is Jeffrey L. Kellogg, DO's NPI number?

Jeffrey L. Kellogg, DO's National Provider Identifier (NPI) is 1083657084, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey L. Kellogg, DO located?

The NPPES record lists a practice address at 4545 Sergeant RD, Sioux City, IA, 51106. Phone: (712) 274-2400. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey L. Kellogg, DO's license?

NPPES lists Iowa license number 02201, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jeffrey L. Kellogg, DO prescribe under Medicare Part D?

In 2024, Jeffrey L. Kellogg, DO had 12 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Jeffrey L. Kellogg, DO's MIPS final score?

The 2023 MIPS final score is 49.2 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.