Wakako Horiuchi
Obstetrics & Gynecology Physician · Washington, DC
Wakako Horiuchi is an obstetrics & gynecology physician with a practice address in Washington, District of Columbia, and NPI 1851978696, issued on Mar 26, 2021. Check the license (District of Columbia MD600004478, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Wakako Horiuchi
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MD600004478 DC
D0104064 MD
Self-reported in NPPES; status is on the state search - Practice location
- 110 Irving St. NW, Washington, DC 20010
- Phone
- (202) 877-8035
- Enumerated
- Mar 26, 2021
- Record last updated
- Jun 17, 2025
- Fax
- (202) 877-5435
- Medicare enrollment
- Enrolled (PECOS I20251014001116); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 250 in District of Columbia → Look up another NPI →
Also registered at 110 Irving St. NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maya AbdouStudent in an Organized Health Care Education/Training Program1578313417
- Nour Abu Irhayem, MBBSStudent in an Organized Health Care Education/Training Program1104611516
- Ahmad Ahmad, M.D.Student in an Organized Health Care Education/Training Program1326838087
- Abdullah Al Qaraghuli, MBCHBStudent in an Organized Health Care Education/Training Program1740030857
- Mohammed Al-Nusair, M.D.Student in an Organized Health Care Education/Training Program1184476657
- Adnan Almallah, M.D.Student in an Organized Health Care Education/Training Program1740124072
Verify Wakako Horiuchi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD600004478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
25 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wakako Horiuchi among 250 obstetrics & gynecology physician records in District of Columbia
Wakako Horiuchi is one of 250 obstetrics & gynecology physician records with a practice address in District of Columbia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2021 · median 2012 among the 153 with a school on file
- Record last updated2025 · 54% 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 District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in District of Columbia
There are 250 obstetrics & gynecology physician records in District of Columbia.
All 250 in District of Columbia → Every provider in Washington → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Tamika Auguste, MDWashington, DC 200101104805175
- Lauren Damle, MDWashington, DC 200101427225853
- Renuka Darolia Adelizzi, MDWashington, DC 200101437170271
- Marie Draoui, MDWashington, DC 200101053391136
- Davina Franco, M.D.Washington, DC 200101427248517
- Melissa Fries, MDWashington, DC 200101982696852
- Veronica Gomez-Lobo, MDWashington, DC 200101417937905
- Felicia Hamilton, MDWashington, DC 200101851591846
Common questions
What is Wakako Horiuchi's NPI number?
Wakako Horiuchi's National Provider Identifier (NPI) is 1851978696, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Wakako Horiuchi located?
The NPPES record lists a practice address at 110 Irving St. NW, Washington, DC, 20010. Phone: (202) 877-8035. Providers update this record themselves, so call before visiting.
How can I verify Wakako Horiuchi's license?
NPPES lists District of Columbia license number MD600004478, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wakako Horiuchi prescribe under Medicare Part D?
In 2024, Wakako Horiuchi had 25 Medicare Part D claims for 14 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.