William Brock Kretsinger, DO
Internal Medicine Physician · Emporia, KS
William Brock Kretsinger, DO is an internal medicine physician with a practice address in Emporia, Kansas, and NPI 1346270915, issued on Jul 3, 2006. Check the license (Kansas 05-19185, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Brock Kretsinger
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 05-19185 KS
Self-reported in NPPES; status is on the state search - Practice location
- 1301 W 12TH Ave, Emporia, KS 66801
- Phone
- (620) 342-2900
- Enumerated
- Jul 3, 2006
- Record last updated
- Jan 19, 2026
- Medicaid ID
- 100229490B KS
- Medicare enrollment
- Enrolled (PECOS I20050609000710); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,010 in Kansas → Look up another NPI →
Also registered at 1301 W 12TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Baldwin, P.A.Physician Assistant1124336003
- Bradon BitterSurgery Physician1003344060
- Darby Cochran Wilson, RNRegistered Nurse1326908666
- Todd Detwiler, MDFamily Medicine Physician1396796181
- Opal Fell, ARNPNurse Practitioner1205140621
- James Glenn, M.D.Orthopaedic Surgery Physician1699778092
Verify William Brock Kretsinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 05-19185Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,438 Medicare Part D claims for 566 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 321 claims were for opioids.
Most prescribed
- Levothyroxine Sodium570 claims
- Amlodipine Besylate371 claims
- Simvastatin326 claims
- Atorvastatin Calcium320 claims
- Rosuvastatin Calcium316 claims
- Lisinopril290 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.
Bills Medicare through one group practice
- Cotton-O'Neil Clinic Revocable TrustEmporia, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Brock Kretsinger among 1,010 internal medicine physician records in Kansas
William Brock Kretsinger, DO is one of 1,010 internal medicine physician records with a practice address in Kansas. 73% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1990 · median 2008 among the 568 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 internal medicine physician records list a practice address in Emporia
They are 11 of the 485 NPPES records with a practice address in Emporia, and 1,010 internal medicine physician records in Kansas.
All 1,010 in Kansas → Every provider in Emporia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cy Anderson, MDEmporia, KS 668011588632590
- Jonathan Bates, MDEmporia, KS 668011336709237
- Ernesto Diaz-Villalpando, MDEmporia, KS 668011760112924
- Woodrow Duncan, MDEmporia, KS 668011508811241
- Rachel Duncan, MDEmporia, KS 668011255361820
- Lauren Miller-Gifford, DOEmporia, KS 668011396319067
- Oyeladun Oyenuga, M.D.Emporia, KS 668011720495286
- Scott Smiley, MDEmporia, KS 668011417984618
Common questions
What is William Brock Kretsinger, DO's NPI number?
William Brock Kretsinger, DO's National Provider Identifier (NPI) is 1346270915, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Brock Kretsinger, DO located?
The NPPES record lists a practice address at 1301 W 12TH Ave, Emporia, KS, 66801. Phone: (620) 342-2900. Providers update this record themselves, so call before visiting.
How can I verify William Brock Kretsinger, DO's license?
NPPES lists Kansas license number 05-19185, 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 William Brock Kretsinger, DO prescribe under Medicare Part D?
In 2024, William Brock Kretsinger, DO had 10,438 Medicare Part D claims for 566 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.