Rex B. Keith, MD
Family Medicine Physician · Wichita, KS
Rex B. Keith, MD is a family medicine physician with a practice address in Wichita, Kansas, and NPI 1538164603, issued on Jun 16, 2005. Check the license (Kansas 0421457, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rex B. Keith
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0421457 KS
Self-reported in NPPES; status is on the state search - Practice location
- 707 N Emporia St, Wichita, KS 67214
- Phone
- (316) 858-3460
- Enumerated
- Jun 16, 2005
- Record last updated
- Feb 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (316) 858-3458
- Medicaid ID
- 100183190A KS
- Medicare enrollment
- Enrolled (PECOS I20050707000414); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,970 in Kansas → Look up another NPI →
Also registered at 707 N Emporia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haley Albers, MDFamily Medicine Physician1467345702
- Patrick Allen, MDFamily Medicine Physician1023304508
- Victoria Antonello, MDFamily Medicine Physician1689485062
- Jeff Beekhuizen, DOFamily Medicine Physician1750499984
- Kaden Brandt, MDFamily Medicine Physician1487495586
- Kimberly Brown, RDRegistered Dietitian1730529611
Verify Rex B. Keith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0421457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
340 Medicare Part D claims for 19 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Duloxetine Hcl22 claims
- Montelukast Sodium20 claims
- Hydrocodone-Acetaminophen18 claims
- Ozempic16 claims
- Amlodipine Besylate15 claims
- Baclofen14 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): 77.3 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).
Bills Medicare through one group practice
- Ascension Via Christi Hospitals Wichita IncWichita, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rex B. Keith among 1,970 family medicine physician records in Kansas
Rex B. Keith, MD is one of 1,970 family medicine physician records with a practice address in Kansas. 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 · 59% of these records are
- Graduated1985 · median 2006 among the 1,164 with a school on file
- Record last updated2015 · 51% 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 Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
463 family medicine physician records list a practice address in Wichita
They are 463 of the 10,360 NPPES records with a practice address in Wichita, and 1,970 family medicine physician records in Kansas.
All 1,970 in Kansas → Every provider in Wichita → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sylvester Domme, MDWichita, KS 672141972508018
- John Dorsch, M.D.Wichita, KS 672141346215530
- Hugh Ekengren, MDWichita, KS 672141437111994
- Lynn Fisher, M.D.Wichita, KS 672141083615447
- Rickey Kellerman, M.D.Wichita, KS 672141093780579
- Denis Knight, DOWichita, KS 672141235190919
- James Logan, MDWichita, KS 672141952363962
- Mary Mroz, MDWichita, KS 672141609850064
Common questions
What is Rex B. Keith, MD's NPI number?
Rex B. Keith, MD's National Provider Identifier (NPI) is 1538164603, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rex B. Keith, MD located?
The NPPES record lists a practice address at 707 N Emporia St, Wichita, KS, 67214. Phone: (316) 858-3460. Providers update this record themselves, so call before visiting.
How can I verify Rex B. Keith, MD's license?
NPPES lists Kansas license number 0421457, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rex B. Keith, MD prescribe under Medicare Part D?
In 2024, Rex B. Keith, MD had 340 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Rex B. Keith, MD's MIPS final score?
The 2023 MIPS final score is 77.3 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.