NPPES file of Aug 9, 2026

Xiaowei Ma, NP-C

Nurse Practitioner · Los Angeles, CA

Xiaowei Ma, NP-C is a nurse practitioner with a practice address in Los Angeles, California, and NPI 1841762903, issued on Dec 28, 2018. Check the license (California 95010675, as entered in NPPES) with the California board that licenses this profession; 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
1841762903
Name
Xiaowei Ma
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
95010675 CA
95030009 CA
Self-reported in NPPES; status is on the state search
Practice location
1500 San Pablo St, Los Angeles, CA 90033
Phone
(323) 442-7400
Enumerated
Dec 28, 2018
Record last updated
Aug 5, 2026
Medicare enrollment
Enrolled (PECOS I20220225002213); accepts Medicare assignment
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 1500 San Pablo St

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

  1. Matthew Abad-Santos, MDVascular & Interventional Radiology Physician1487041406
  2. Ali Abanobi, CRNACertified Registered Nurse Anesthetist1740756196
  3. Emily AbbottCardiopulmonary Physical Therapist1053116251
  4. Hadi Abou El Hassan, MDNeurology Physician1053995720
  5. Taaha Adamji, MDStudent in an Organized Health Care Education/Training Program1770414377
  6. Nikhil AggarwalStudent in an Organized Health Care Education/Training Program1144029596

Verify Xiaowei Ma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95010675
    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
Find 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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96% fewer Medicare Part D claims than the average nurse practitioner in 2024

49 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Xiaowei Ma49
  2. Specialty average1,109

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: $102.91

1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Xiaowei Ma$102.91
  2. Specialty average$791.64

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. Usc Care Medical Group IncLos Angeles, CA

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

Xiaowei Ma among 8,223 nurse practitioner records in California

Xiaowei Ma, NP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 56% of them.

  • NPI issued2018 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2018 · median 2017 among the 3,425 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Parvaneh Afshari, RNPLos Angeles, CA 900331730270828
  2. Elsie Alfaro, NPLos Angeles, CA 900331548481062
  3. Ligaya CastilloLos Angeles, CA 900331003940503
  4. Beverly Crawford, RNPLos Angeles, CA 900331265528236
  5. Beverly Dixon, RNPLos Angeles, CA 900331457447401
  6. Nasrin Esnaashari, NPLos Angeles, CA 900331831389477
  7. Paige Hardin, RNPLos Angeles, CA 900331154417053
  8. Ileana Meza, RNLos Angeles, CA 900331588750335

Common questions

What is Xiaowei Ma, NP-C's NPI number?

Xiaowei Ma, NP-C's National Provider Identifier (NPI) is 1841762903, issued on Dec 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Xiaowei Ma, NP-C located?

The NPPES record lists a practice address at 1500 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-7400. Providers update this record themselves, so call before visiting.

How can I verify Xiaowei Ma, NP-C's license?

NPPES lists California license number 95010675, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Xiaowei Ma, NP-C prescribe under Medicare Part D?

In 2024, Xiaowei Ma, NP-C had 49 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.