Eileen Hou, M.D.
Obstetrics & Gynecology Physician · Merced, CA
Eileen Hou, M.D. is an obstetrics & gynecology physician with a practice address in Merced, California, and NPI 1558715508, issued on Apr 15, 2016. Check the license (California A153156, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eileen Hou
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A153156 CA
336.113668 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3940 Sandpiper Ave, Merced, CA 95340
- Phone
- (866) 682-4842
- Enumerated
- Apr 15, 2016
- Record last updated
- Dec 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20220907001334); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 3940 Sandpiper Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zeda Amaya, MDPediatrics Physician1417903428
- Carlos Eltagunde, NP-CNurse Practitioner1265096101
- Lori Gerske, FNPFamily Nurse Practitioner1790240372
- Jaideep Misra, MDInternal Medicine Physician1861965386
- Nikiesha Redus, FNPFamily Nurse Practitioner1649626946
- Ryan Reeves, FNPNurse Practitioner1083560015
Verify Eileen Hou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153156Check 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.
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): 57 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).
Industry payments in 2024: $162.63
8 payments; by number, the most common kind was food and beverage; the largest payer was Shield Therapeutics Inc. 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.
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
- Clinica Sierra VistaFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eileen Hou among 5,088 obstetrics & gynecology physician records in California
Eileen Hou, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 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 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2016 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 64% 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 California 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 California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Merced → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- George Alkhouri, MDMerced, CA 953401881862209
- Brian Moore, MDMerced, CA 953401992817472
- Kristina Sogocio, MDMerced, CA 953401497950448
- Serene Alexander, D.O.Merced, CA 953411841555109
- Naim Basel, D.O.Merced, CA 953411043548639
- Yasser Ratl Mrad, MDMerced, CA 953411003042987
- George Savage, M.D.Merced, CA 953411063577823
- Jon Lee, MDManteca, CA 953371770661589
Common questions
What is Eileen Hou, M.D.'s NPI number?
Eileen Hou, M.D.'s National Provider Identifier (NPI) is 1558715508, issued on Apr 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Hou, M.D. located?
The NPPES record lists a practice address at 3940 Sandpiper Ave, Merced, CA, 95340. Phone: (866) 682-4842. Providers update this record themselves, so call before visiting.
How can I verify Eileen Hou, M.D.'s license?
NPPES lists California license number A153156, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eileen Hou, M.D. prescribe under Medicare Part D?
In 2024, Eileen Hou, M.D. had 18 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Eileen Hou, M.D.'s MIPS final score?
The 2023 MIPS final score is 57 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.