Krissy Maki Yamamoto, MD
Obstetrics & Gynecology Physician · Renton, WA
Krissy Maki Yamamoto, MD is an obstetrics & gynecology physician with a practice address in Renton, Washington, and NPI 1194916395, issued on Aug 5, 2007. Check the license (Washington MD60456788, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Krissy Maki Yamamoto
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD60456788 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4033 Talbot RD S, Renton, WA 98055
- Phone
- (253) 939-9654
- Enumerated
- Aug 5, 2007
- Record last updated
- Jul 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (253) 939-6594
- Medicare enrollment
- Enrolled (PECOS I20140724001006); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2007
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,038 in Washington → Look up another NPI →
Also registered at 4033 Talbot RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Krissy Maki Yamamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60456788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
18 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Valley Medical Group-RentonCovington, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Krissy Maki Yamamoto among 1,038 obstetrics & gynecology physician records in Washington
Krissy Maki Yamamoto, MD is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 42% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2007 · median 2007 among the 582 with a school on file
- Record last updated2014 · 59% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 obstetrics & gynecology physician records list a practice address in Renton
They are 35 of the 3,147 NPPES records with a practice address in Renton, and 1,038 obstetrics & gynecology physician records in Washington.
All 1,038 in Washington → Every provider in Renton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Vinay Bhoplay, MDRenton, WA 980551477648459
- Dennis Brown, M.D.Renton, WA 980551164454112
- Kent Davis, M.D., F.A.C.O.G.Renton, WA 980551477644938
- Eric Fassler, M.D.Renton, WA 980551346292471
- Kathleen Hanlon, M.D.Renton, WA 980551144339284
- Carla Kovacs, MDRenton, WA 980551437168002
- Augustine Lawrence, M.D.Renton, WA 980551235168188
- Naomi Olson, M.D.Renton, WA 980551578595534
Common questions
What is Krissy Maki Yamamoto, MD's NPI number?
Krissy Maki Yamamoto, MD's National Provider Identifier (NPI) is 1194916395, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Krissy Maki Yamamoto, MD located?
The NPPES record lists a practice address at 4033 Talbot RD S, Renton, WA, 98055. Phone: (253) 939-9654. Providers update this record themselves, so call before visiting.
How can I verify Krissy Maki Yamamoto, MD's license?
NPPES lists Washington license number MD60456788, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Krissy Maki Yamamoto, MD prescribe under Medicare Part D?
In 2024, Krissy Maki Yamamoto, MD had 18 Medicare Part D claims; 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.