NPPES file of Aug 9, 2026

James William Bass, M.D.

Family Medicine Physician · Elk City, OK

James William Bass, M.D. is a family medicine physician with a practice address in Elk City, Oklahoma, and NPI 1003878042, issued on Apr 5, 2006. Check the license (Oklahoma 31130, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1003878042
Name
James William Bass
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
31130 OK
K2844 TX
Self-reported in NPPES; status is on the state search
Practice location
1800 W. 1St St., Elk City, OK 73644
Phone
(580) 225-2515
Enumerated
Apr 5, 2006
Record last updated
Mar 10, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(580) 303-5850
Medicaid ID
121294606 TX
Medicare enrollment
Enrolled (PECOS I20040804000925); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify James William Bass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 31130
    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 Oklahoma license search

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38% more Medicare Part D claims than the average family medicine physician in 2024

4,878 Medicare Part D claims for 393 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 40 claims were for opioids.

  1. James Bass4,878
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate222 claims
  2. Levothyroxine Sodium186 claims
  3. Atorvastatin Calcium170 claims
  4. Lisinopril165 claims
  5. Omeprazole143 claims
  6. Losartan Potassium131 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 MIPS final score for 2023 (Medicare payment program): 91.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score79.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Farmers Union Hospital AssociationElk City, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James William Bass among 2,303 family medicine physician records in Oklahoma

James William Bass, M.D. is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1986 · median 2008 among the 1,407 with a school on file
  • Record last updated2016 · 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 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 family medicine physician records list a practice address in Elk City

They are 13 of the 324 NPPES records with a practice address in Elk City, and 2,303 family medicine physician records in Oklahoma.

The 8 family medicine physician records with the nearest ZIP codes

  1. David Bank, MDElk City, OK 736441396833083
  2. J Coffey, MDElk City, OK 736441013045913
  3. Erick Derocher, D.O.Elk City, OK 736441750393260
  4. Dennis Friesen, M.D.Elk City, OK 736441477668564
  5. Camilla Krompecher, MDElk City, OK 736441326056953
  6. Natalie Patterson, DOElk City, OK 736441154859189
  7. John Perkins, M.D.Elk City, OK 736441437141983
  8. Craig Phelps, M.D.Elk City, OK 736441295840288

Common questions

What is James William Bass, M.D.'s NPI number?

James William Bass, M.D.'s National Provider Identifier (NPI) is 1003878042, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James William Bass, M.D. located?

The NPPES record lists a practice address at 1800 W. 1St St., Elk City, OK, 73644. Phone: (580) 225-2515. Providers update this record themselves, so call before visiting.

How can I verify James William Bass, M.D.'s license?

NPPES lists Oklahoma license number 31130, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James William Bass, M.D. prescribe under Medicare Part D?

In 2024, James William Bass, M.D. had 4,878 Medicare Part D claims for 393 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is James William Bass, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.2 of 100. 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.