Gregory S. Campbell, M.D.
Otolaryngology Physician · Columbia, MO
Gregory S. Campbell, M.D. is an otolaryngology physician with a practice address in Columbia, Missouri, and NPI 1598754566, issued on Oct 20, 2005. Check the license (Missouri R1J31, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory S. Campbell
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- R1J31 MO
Self-reported in NPPES; status is on the state search - Practice location
- 525 N Keene St, Columbia, MO 65201
- Phone
- (573) 882-7903
- Enumerated
- Oct 20, 2005
- Record last updated
- Apr 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (573) 884-4607
- Medicare enrollment
- Enrolled (PECOS I20070502000441); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 253 in Missouri → Look up another NPI →
Also registered at 525 N Keene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haley Brantley, AUDAudiologist1225516628
- James Buechter, AUDAudiologist1184553406
- Roseanna Christal Arand, AUDAudiologist1861830127
- Laurel Duever-Collins, MS, CCC-SLPSpeech-Language Pathologist1013383660
- Morgan Hahn, M.S. CCC/AAudiologist1316981723
- William Kinney, M.D.Otolaryngology Physician1548323777
Verify Gregory S. Campbell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R1J31Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average otolaryngology physician in 2024
44 Medicare Part D claims for 31 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Ofloxacin11 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): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Curators OF The University OF MissouriColumbia, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory S. Campbell among 253 otolaryngology physician records in Missouri
Gregory S. Campbell, M.D. is one of 253 otolaryngology physician records with a practice address in Missouri. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1986 · median 2007 among the 148 with a school on file
- Record last updated2019 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Missouri
There are 253 otolaryngology physician records in Missouri.
All 253 in Missouri → Every provider in Columbia → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Alvis Barrier, MDColumbia, MO 652011760436307
- Chia-Wai Chang, MDColumbia, MO 652011013975986
- Sidney Christiansen, MDColumbia, MO 652011942264551
- James Denneny, M.D.Columbia, MO 652011043207483
- James Denninghoff, M.D.Columbia, MO 652011033104005
- Elizabeth Early, M.D.Columbia, MO 652011962408492
- William Kinney, M.D.Columbia, MO 652011548323777
- Keonho Kong, MDColumbia, MO 652011871988915
Common questions
What is Gregory S. Campbell, M.D.'s NPI number?
Gregory S. Campbell, M.D.'s National Provider Identifier (NPI) is 1598754566, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Campbell, M.D. located?
The NPPES record lists a practice address at 525 N Keene St, Columbia, MO, 65201. Phone: (573) 882-7903. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Campbell, M.D.'s license?
NPPES lists Missouri license number R1J31, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory S. Campbell, M.D. prescribe under Medicare Part D?
In 2024, Gregory S. Campbell, M.D. had 44 Medicare Part D claims for 31 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Gregory S. Campbell, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.