NPPES file of Aug 9, 2026

Nneka Nwachukwu, MD

Hematology (Internal Medicine) Physician · Los Angeles, CA

Nneka Nwachukwu, MD is a hematology (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1821594904, issued on Apr 5, 2018. Check the license (California 173854, 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
1821594904
Name
Nneka Nwachukwu
Credential
MD
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License numbers
173854 CA
98716 GA
Self-reported in NPPES; status is on the state search
Practice location
1441 Eastlake Avenue, Ntt 3440, Los Angeles, CA 90033
Phone
(323) 865-3913
Enumerated
Apr 5, 2018
Record last updated
Apr 30, 2024
Fax
(323) 865-0060
Medicare enrollment
Enrolled (PECOS I20240821001168); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 1441 Eastlake Avenue, Ntt 3440

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

  1. Matthew Barke, MDInternal Medicine Physician1790471480

Verify Nneka Nwachukwu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 173854
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

90% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

48 Medicare Part D claims for 22 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Nneka Nwachukwu48
  2. Specialty average496

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: $811.62

27 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nneka Nwachukwu$812
  2. Specialty average$13,778

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

Bills Medicare through 2 group practices

  1. Emory Medical Care Foundation IncAtlanta, GA
  2. The Emory Clinic IncAtlanta, GA

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

Nneka Nwachukwu among 175 hematology (internal medicine) physician records in California

Nneka Nwachukwu, MD is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 94% of them.

  • NPI issued2018 · 94% of these records are older, 5% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2018 · median 2006 among the 135 with a school on file
  • Record last updated2024 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in California

There are 175 hematology (internal medicine) physician records in California.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Donald Feinstein, M.D.Los Angeles, CA 900331861429581
  2. Parkash Gill, M.D.Los Angeles, CA 900331609972983
  3. Robert Chen, MDLos Angeles, CA 900391083751358
  4. Erwin GrussieLos Angeles, CA 900251679917561
  5. Hitomi Hosoya, MDLos Angeles, CA 900481265895817
  6. Noah Merin, M.D.West Hollywood, CA 900481659547487
  7. Susan Claster, MDLos Angeles, CA 900591659471829
  8. Doris Quon, M.D.Los Angeles, CA 900071578589271

Common questions

What is Nneka Nwachukwu, MD's NPI number?

Nneka Nwachukwu, MD's National Provider Identifier (NPI) is 1821594904, issued on Apr 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Nneka Nwachukwu, MD located?

The NPPES record lists a practice address at 1441 Eastlake Avenue, Ntt 3440, Los Angeles, CA, 90033. Phone: (323) 865-3913. Providers update this record themselves, so call before visiting.

How can I verify Nneka Nwachukwu, MD's license?

NPPES lists California license number 173854, 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 Nneka Nwachukwu, MD prescribe under Medicare Part D?

In 2024, Nneka Nwachukwu, MD had 48 Medicare Part D claims for 22 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.