Robert S. Littlejohn, M.D.
Anatomic Pathology & Clinical Pathology Physician · Columbia, MO
Robert S. Littlejohn, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Columbia, Missouri, and NPI 1255380515, issued on May 6, 2006. Check the license (Missouri 112225, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Robert S. Littlejohn
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 112225 MO
Self-reported in NPPES; status is on the state search - Practice location
- 200 Portland St, Columbia, MO 65201
- Phone
- (573) 886-4600
- Enumerated
- May 6, 2006
- Record last updated
- Sep 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (573) 886-4695
- Medicaid ID
- 205426000 MO
- Medicare enrollment
- Enrolled (PECOS I20120723000632); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 348 in Missouri → Look up another NPI →
Also registered at 200 Portland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mallory Aughtman, LMSWSocial Worker1609651041
- Shweta Bansal, DDSStudent in an Organized Health Care Education/Training Program1578360780
- William Birkby, M.D.Anatomic Pathology & Clinical Pathology Physician1396703948
- Michael Cottam, MS, DMDPediatric Dentistry1972816288
- Rachel Couch, DOPediatrics Physician1477161529
- Kiera Dixon, LCSWClinical Social Worker1477231348
Verify Robert S. Littlejohn 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 112225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 88.3 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).
Industry payments in 2024: $30.09
1 payment: food and beverage; the largest payer was Roche Diagnostics Corporation. The 2,607 providers of this specialty with any payment received $3,565.00 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
- Pathology Consultation Services IncNorman, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert S. Littlejohn among 348 anatomic pathology & clinical pathology physician records in Missouri
Robert S. Littlejohn, M.D. is one of 348 anatomic pathology & clinical pathology physician records with a practice address in Missouri. 58% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1994 · median 2004 among the 189 with a school on file
- Record last updated2011 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Missouri
There are 348 anatomic pathology & clinical pathology physician records in Missouri.
All 348 in Missouri → Every provider in Columbia → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- William Birkby, M.D.Columbia, MO 652011396703948
- Robert Cheek, MDColumbia, MO 652011649228875
- Michael Curry, MD, PHDColumbia, MO 652011497703623
- Grant Darkow, MDColumbia, MO 652011053369876
- Steven Haas, MDColumbia, MO 652011881642171
- Leslie Handlin, M.D.Columbia, MO 652011609825967
- Lawrence Henry, M.D.Columbia, MO 652011619926961
- Dennis Johnson, M.D.Columbia, MO 652011760430052
Common questions
What is Robert S. Littlejohn, M.D.'s NPI number?
Robert S. Littlejohn, M.D.'s National Provider Identifier (NPI) is 1255380515, issued on May 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Littlejohn, M.D. located?
The NPPES record lists a practice address at 200 Portland St, Columbia, MO, 65201. Phone: (573) 886-4600. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Littlejohn, M.D.'s license?
NPPES lists Missouri license number 112225, 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.
What is Robert S. Littlejohn, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.3 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.