James Jeffrey Bass, M.D.
General Practice Physician · Rolla, MO
James Jeffrey Bass, M.D. is a general practice physician with a practice address in Rolla, Missouri, and NPI 1336130079, issued on Nov 2, 2005. Check the license (Missouri R2C49, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- James Jeffrey Bass
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- R2C49 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1050 W 10TH St, Rolla, MO 65401
- Phone
- (573) 364-9000
- Enumerated
- Nov 2, 2005
- Record last updated
- Jun 10, 2025
- Fax
- (573) 202-2484
- Medicaid ID
- 201810504 MO
- Medicare enrollment
- Enrolled (PECOS I20070129000723); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 191 in Missouri → Look up another NPI →
Also registered at 1050 W 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mathew Ausmus, DDSPediatric Dentistry1518957778
- Steven Ballard, ANPAdult Health Nurse Practitioner1043454564
- Sara Bayless, PNPPediatric Nurse Practitioner1811642044
- Tabitha Beaty, NP-CFamily Nurse Practitioner1619815875
Verify James Jeffrey Bass 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 R2C49Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average general practice physician in 2024
3,658 Medicare Part D claims for 226 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 100 claims were for opioids.
Most prescribed
- Amlodipine Besylate212 claims
- Levothyroxine Sodium207 claims
- Lisinopril123 claims
- Rosuvastatin Calcium117 claims
- Atorvastatin Calcium113 claims
- Escitalopram Oxalate90 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): 77.5 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).
2 hospitals and group practices
- Phelps County Regional Medical CenterRolla, MO · Acute Care Hospitals2 of 5 stars
- Pcrmc Medical Group IncRolla, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
James Jeffrey Bass among 191 general practice physician records in Missouri
James Jeffrey Bass, M.D. is one of 191 general practice physician records with a practice address in Missouri. 60% 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, 90% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated1979 · median 2005 among the 61 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Missouri
There are 191 general practice physician records in Missouri.
All 191 in Missouri → Every provider in Rolla → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Amber Campbell, D.O.Warsaw, MO 653551689804437
- Douglas Haberman, M.D.Fort Leonard Wood, MO 654731033128012
- Larry Howard, DOFort Leonard Wood, MO 654731659389484
- Aaron Jacob, MDFort Leonard Wood, MO 654731275524274
- Arturo Montellano, MDFort Leonard Wood, MO 654731356377543
- Gabriel Olivo, MDFort Leonard Wood, MO 654731659385037
- Matthew Van Uitert, MDWhiteman Afb, MO 653051083118525
- Kristopher Wagner-Porter, M.D.Whiteman Afb, MO 653051922259134
Common questions
What is James Jeffrey Bass, M.D.'s NPI number?
James Jeffrey Bass, M.D.'s National Provider Identifier (NPI) is 1336130079, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Jeffrey Bass, M.D. located?
The NPPES record lists a practice address at 1050 W 10TH St, Rolla, MO, 65401. Phone: (573) 364-9000. Providers update this record themselves, so call before visiting.
How can I verify James Jeffrey Bass, M.D.'s license?
NPPES lists Missouri license number R2C49, 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 James Jeffrey Bass, M.D. prescribe under Medicare Part D?
In 2024, James Jeffrey Bass, M.D. had 3,658 Medicare Part D claims for 226 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is James Jeffrey Bass, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.