NPPES file of Aug 9, 2026

Kenneth K. Hamai, MD

Obstetrics & Gynecology Physician · Washington, MO

Kenneth K. Hamai, MD is an obstetrics & gynecology physician with a practice address in Washington, Missouri, and NPI 1073587713, issued on Feb 16, 2006. Check the license (Missouri 100463, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073587713
Name
Kenneth K. Hamai
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
100463 MO
Self-reported in NPPES; status is on the state search
Practice location
851 E 5TH St, Washington, MO 63090
Phone
(636) 239-1101
Enumerated
Feb 16, 2006
Record last updated
Jul 14, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(636) 239-0250
Medicaid ID
1073587713 MO
Medicare enrollment
Enrolled (PECOS I20041104000102); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1988
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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Also registered at 851 E 5TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jerry Allen, MDPediatrics Physician1154327286
  2. Kathleen Bernhard, M.D.Pediatrics Physician1073590550
  3. Deborah Beste, FNPFamily Nurse Practitioner1215299482
  4. Michelle BeumerPediatrics Physician1790781268
  5. Mary Blackburn, RN CDEDiabetes Educator Registered Nurse1003130360
  6. Christy Bleckman, M.D.Obstetrics & Gynecology Physician1366568891

Verify Kenneth K. Hamai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 100463
    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 Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

160 Medicare Part D claims for 44 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Kenneth Hamai160
  2. Specialty average165

Most prescribed

  1. Estradiol64 claims
  2. Myrbetriq14 claims
  3. Norethindrone13 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.

Industry payments in 2024: $190.14

6 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kenneth Hamai$190.14
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mercy Clinic East CommunitiesWashington, MO

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

Kenneth K. Hamai among 902 obstetrics & gynecology physician records in Missouri

Kenneth K. Hamai, MD is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 54% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1988 · median 2007 among the 528 with a school on file
  • Record last updated2014 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 obstetrics & gynecology physician records list a practice address in Washington

They are 7 of the 533 NPPES records with a practice address in Washington, and 902 obstetrics & gynecology physician records in Missouri.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Christy Bleckman, M.D.Washington, MO 630901366568891
  2. D. Glover, D.O.Washington, MO 630901538103569
  3. Robert Haskins, M.D.Washington, MO 630901164469235
  4. Christiane Korba, M.D.Washington, MO 630901164464426
  5. Gregory Potts, M.D.Washington, MO 630901992770887
  6. Teresa Underwood, MDWashington, MO 630901528125978
  7. Yasuo Ishida, M.D.Sullivan, MO 630801811973944
  8. Roger Rembecki, MDSullivan, MO 630801396816880

Common questions

What is Kenneth K. Hamai, MD's NPI number?

Kenneth K. Hamai, MD's National Provider Identifier (NPI) is 1073587713, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth K. Hamai, MD located?

The NPPES record lists a practice address at 851 E 5TH St, Washington, MO, 63090. Phone: (636) 239-1101. Providers update this record themselves, so call before visiting.

How can I verify Kenneth K. Hamai, MD's license?

NPPES lists Missouri license number 100463, 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 Kenneth K. Hamai, MD prescribe under Medicare Part D?

In 2024, Kenneth K. Hamai, MD had 160 Medicare Part D claims for 44 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.