NPPES file of Aug 9, 2026

Iheanacho Emeruwa, M.D.

Obstetrics Physician · Riverside, CA

Iheanacho Emeruwa, M.D. is an obstetrics physician with a practice address in Riverside, California, and NPI 1609871227, issued on Jun 20, 2005. Check the license (California A41038, as entered in NPPES) on the Medical Board of California; 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
1609871227
Name
Iheanacho Emeruwa
Credential
M.D.
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
A41038 CA
Self-reported in NPPES; status is on the state search
Practice location
9041 Magnolia Ave, Riverside, CA 92503
Phone
(951) 343-3477
Enumerated
Jun 20, 2005
Record last updated
Jun 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(951) 347-8343
Medicaid ID
00A410380 CA
Medicare enrollment
Enrolled (PECOS I20040419001645); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 1980
Telehealth
Offers telehealth (CMS)
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 9041 Magnolia Ave

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

  1. Lisa Banh, PAObstetrics & Gynecology Physician1922009067
  2. Nicole Bostic, MDPediatrics Physician1417159161
  3. John Carlson, MDOphthalmology Physician1215913199
  4. Jaquolin Eskandr, FNPFamily Medicine Physician1508219718
  5. Anita Lenz, MDSpecialist1265498570
  6. Ray LinMedical Physician Assistant1649693540

Verify Iheanacho Emeruwa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A41038
    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 California 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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39% fewer Medicare Part D claims than the average obstetrics physician in 2024

132 Medicare Part D claims for 40 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Iheanacho Emeruwa132
  2. Specialty average218

Most prescribed

  1. Ibuprofen14 claims
  2. Estradiol13 claims
  3. Atorvastatin Calcium11 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: $192.74

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 679 providers of this specialty with any payment received $826.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Iheanacho Emeruwa$192.74
  2. Specialty average$826.19

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. Aspen Medical Group IncRiverside, CA

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

Iheanacho Emeruwa among 174 obstetrics physician records in California

Iheanacho Emeruwa, M.D. is one of 174 obstetrics physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1980 · median 2002 among the 91 with a school on file
  • Record last updated2021 · 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 207VX0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics Physician providers in California

There are 174 obstetrics physician records in California.

The 8 obstetrics physician records with the nearest ZIP codes

  1. Nayeema Ahmed, M.D.Riverside, CA 925031063410280
  2. Clara Chae, M.DRiverside, CA 925061861697427
  3. Paulus Santoso, M.D.Riverside, CA 925061154329373
  4. Kate Adkins, M.D.Hemet, CA 925431023205408
  5. Joan Hazel Calinisan, MDMurrieta, CA 925621760493886
  6. Martina Chiodi, M.D.Murrieta, CA 925621972779189
  7. Emily Thomson, D.O.Murrieta, CA 925621508028846
  8. Lisa Crane, M.D.Irvine, CA 926041033272901

Common questions

What is Iheanacho Emeruwa, M.D.'s NPI number?

Iheanacho Emeruwa, M.D.'s National Provider Identifier (NPI) is 1609871227, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Iheanacho Emeruwa, M.D. located?

The NPPES record lists a practice address at 9041 Magnolia Ave, Riverside, CA, 92503. Phone: (951) 343-3477. Providers update this record themselves, so call before visiting.

How can I verify Iheanacho Emeruwa, M.D.'s license?

NPPES lists California license number A41038, 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 Iheanacho Emeruwa, M.D. prescribe under Medicare Part D?

In 2024, Iheanacho Emeruwa, M.D. had 132 Medicare Part D claims for 40 beneficiaries; the average among obstetrics physician prescribers was 218. 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.