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Dr. James Jeffrey Bass, MD
NPI1336130079PAC ID4486655727
- Medicare services, 2024
- 468
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 3,658
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 1000 W 10th St, Rolla, MO 65401
- Practice phone
- Call (573) 458-8899
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bass' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. James Jeffrey Bass is a general practice physician in Rolla, Missouri
Dr. Bass practices at Phelps Health Hospital in Rolla, Missouri, part of Phelps County.
Dr. Bass' NPI, 1336130079, was assigned on November 2, 2005. Dr. Bass graduated from University of Missouri, Kansas City, School of Medicine in 1979. Dr. Bass holds Missouri license R2C49.
NPI and contact details
- NPI
- 1336130079NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486655727
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 458-8899
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Jeffrey Bass practices at Phelps Health Hospital in Rolla, Missouri
Dr. Bass' primary practice is Phelps Health Hospital, at 1000 W 10th St, Rolla, MO 65401 in Phelps County. The practice phone is (573) 458-8899.
- Phelps Health Hospital1000 W 10th St, Rolla, MO 65401 · Phelps CountyPhone(573) 458-8899
Source: Dmand AI Affiliation Data
Dr. James Jeffrey Bass is affiliated with 6 sites of care and 2 medical groups
Dr. Bass' primary practice is Phelps Health Hospital in Rolla, Missouri, part of Phelps County. The medical group on file is Phelps Health Medical Group Rolla. Dmand AI also links Dr. Bass to 1 more hospital, 2 home health agencies, 1 hospice, 1 rural health clinic and 1 medical group, each named with a free account.
Phelps Health Medical Group Rolla1 hospitalName with a free account2 home health agenciesNames with a free account1 hospiceName with a free account1 rural health clinicName with a free account1 medical groupName with a free account
See all 8 affiliations for Dr. BassSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Jeffrey Bass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bass practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phelps Health Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Phelps County and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Jeffrey Bass is one of 124 general practice physicians in Missouri
General practice is Dr. Bass' primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Bass is licensed in Missouri.
Specialties and state licenses
- General practice, MissouriPrimary
General practice physicians near Dr. Bass
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Jeffrey Bass billed Medicare for 468 services in 2024
CMS data shows 468 Medicare services from Dr. Bass across 5 procedure codes in 2024, for 170 Medicare patients. Medicare paid $40,695 for them. Every service was in an office.
Medicare services, 2024468
Medicare patients170
Paid by Medicare$40,695
Procedure codes5
Dr. Bass' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7362024: 37050%
- Other services
- 2023: 862024: 871%
- Lab and pathology
- 2023: 372024: 1170%
- Drugs given in the office
- 2023: 212024: 0100%
- Tests and treatments
- 2023: 132024: 0100%
Dr. Bass compared with the Missouri median for general practice physicians, 2024
- Dr. Bass
- Missouri median
- Medicare services
- 468vs 1403.3 times
- Medicare patients
- 170vs 9285% above
- Part D claims
- 3,142vs 10131.1 times
Medians across 122 general practice physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Bass' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Bass?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bass and other general practice physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Jeffrey Bass treated 170 Medicare patients in 2024, average age 78
CMS counts 170 Medicare patients who saw Dr. Bass in 2024. The largest group is 75 to 84, with 77 patients. 75% of them have high blood pressure, and 74% have arthritis. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bass' median patient age at 73, with 40% women.
Medicare patients, 2024170
Average age78
Average risk score1.11
Dr. Bass' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bass' Medicare patients by sex, 2024
- Women7745%
- Men9355%
Chronic conditions among Dr. Bass' Medicare patients, 2024
- High blood pressure75%
- Arthritis74%
- High cholesterol72%
- Ischemic heart disease36%
- Chronic kidney disease25%
- Diabetes25%
- Atrial fibrillation22%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Jeffrey Bass wrote 3,658 Medicare Part D claims in 2024
In 2024, Dr. Bass wrote 3,658 Medicare Part D claims for 226 patients. 90% of them were for generic drugs. CMS names the drug for 3,142 of them, across 83 drugs with 11 or more claims each, at $148,608 in total drug cost. In 2023, CMS named 3,803 claims across 99 drugs.
Part D claims, 20243,658
Drugs named by CMS83
Total drug cost$148,608
Part D patients226
Dr. Bass' Part D claims by kind of drug, 2024
- Generic3,287 claims90%
- Brand-name352 claims10%
- Other19 claims1%
Dr. Bass' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bass' Part D claims, 2024
- Opioids3%100 of 3,658 claims
- Antibiotics2%59 of 3,658 claims
- Antipsychotics, patients 65 and over0%14 of 3,658 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,8032024: 3,14217%
Drugs named by CMS: 83 in 2024, 99 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. James Jeffrey Bass takes part in Medicare
Dr. Bass accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James Jeffrey Bass has 2 publications on record
Dmand AI links 2 papers to Dr. Bass, published from 2014 to 2018.
Papers2
Years published2014 to 2018
Recent publications by Dr. Bass
Blotting, WesternBody WeightGene Expression Regulation
See who Dr. Bass researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bass works with, so you can find a warm path to the right general practice physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Jeffrey Bass received $463 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Bass from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $92.
General payments to Dr. Bass by program year, 2016 to 2025
Companies that paid Dr. Bass the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Jeffrey Bass graduated from University of Missouri, Kansas City, School of Medicine
Dr. Bass graduated from University of Missouri, Kansas City, School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Jeffrey Bass's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James Jeffrey Bass
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. James Jeffrey Bass' NPI number?
Dr. James Jeffrey Bass' NPI number is 1336130079. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Jeffrey Bass?
Dr. James Jeffrey Bass is a general practice physician in Rolla, Missouri. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. James Jeffrey Bass practice?
Dr. Bass practices at 1000 W 10th St, Rolla, MO 65401. Dr. Bass' primary practice is Phelps Health Hospital in Rolla, Missouri, part of Phelps County. Dmand AI also links Dr. Bass to 1 hospital, 2 home health agencies, 1 hospice, 1 rural health clinic and 1 medical group.
What is Dr. James Jeffrey Bass' office phone number?
The practice phone on file for Dr. Bass is (573) 458-8899.
What is Dr. James Jeffrey Bass' medical license number?
Dr. Bass holds Missouri license R2C49.
Which hospitals is Dr. James Jeffrey Bass affiliated with?
Dr. Bass practices at Phelps Health Hospital in Rolla, Missouri. Dmand AI links Dr. Bass to 1 more hospital.
What medical group is Dr. James Jeffrey Bass part of?
Dr. Bass is linked to Phelps Health Medical Group Rolla. Dmand AI links Dr. Bass to 1 more medical group.
Does Dr. James Jeffrey Bass accept Medicare?
Yes. CMS data shows Dr. Bass billed Medicare for 468 services in 2024, and Dr. Bass accepts Medicare assignment.
How many Medicare patients does Dr. James Jeffrey Bass see?
CMS counts 170 Medicare patients who saw Dr. Bass in 2024, with an average age of 78.
What services does Dr. James Jeffrey Bass bill to Medicare?
In 2024, Dr. Bass' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G0439).
Show 5 more questionsShow fewer questions
Where did Dr. James Jeffrey Bass go to medical school?
Dr. Bass graduated from University of Missouri, Kansas City, School of Medicine in 1979.
What drugs does Dr. James Jeffrey Bass prescribe most?
In 2024 Medicare Part D data, Dr. Bass' most prescribed drugs by claims were Amlodipine Besylate, Levothyroxine Sodium and Lisinopril.
Has Dr. James Jeffrey Bass received payments from drug or device companies?
CMS Open Payments shows $463 in general payments to Dr. Bass from 12 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. James Jeffrey Bass been practicing?
Dr. Bass graduated from medical school in 1979, 47 years ago.
Does Dr. James Jeffrey Bass do research?
Dmand AI links 2 publications to Dr. Bass, published from 2014 to 2018.
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