Dr. Lydia Madeleine Nelson, MD

  • Granada Hills, CA
  • Psychiatrist
NPI1033869284
Part D claims, 2024
233
Publications
1
Industry payments
$146
State license
1
Year NPI issued
2022
Practice address
10605 N Balboa Blvd, Granada Hills, CA 91344
Practice phone
Call (818) 419-6659
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Aei & Associates

Granada Hills, California

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Dr. Lydia Madeleine Nelson is a psychiatrist in Granada Hills, California

Dr. Nelson practices at Aei & Associates in Granada Hills, California.

Dr. Nelson's NPI, 1033869284, was assigned on March 28, 2022. Dr. Nelson graduated from Keck School of Medicine of USC in 2022. Dr. Nelson's California license number on file is A190749.

NPI and contact details
NPI enumeration date
March 28, 2022
NPI status
Active
Practice phone
(818) 419-6659
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Lydia Madeleine Nelson practices at Aei & Associates in Granada Hills, California

Dr. Nelson's primary practice is Aei & Associates, at 10605 N Balboa Blvd, Granada Hills, CA 91344 in Los Angeles County. The practice phone is (818) 419-6659.

  • Aei & Associates
    10605 N Balboa Blvd, Granada Hills, CA 91344 · Los Angeles CountyPhone(818) 419-6659

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Lydia Madeleine Nelson is affiliated with 1 site of care

Dr. Nelson's primary practice is Aei & Associates in Granada Hills, California.

Aei & AssociatesGranada Hills, CaliforniaPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Lydia Madeleine Nelson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Aei & AssociatesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Lydia Madeleine Nelson is one of 6,803 psychiatrists in California

Psychiatry is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nelson has a license on file in California.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A190749 · 2023 to 2025 · taxonomy 2084P0800X

Psychiatrists near Dr. Nelson

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

6,803psychiatrists in California
9psychiatrists in Granada Hills

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Lydia Madeleine Nelson's patients have a median age of 41

Across all payers, Dmand AI patient panel data puts Dr. Nelson's median patient age at 41, with 73% women.

Dr. Nelson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women73%
  • Men27%

Source: Dmand AI Patient Panel Data

Dr. Lydia Madeleine Nelson wrote 233 Medicare Part D claims in 2024

In 2024, Dr. Nelson wrote 233 Medicare Part D claims for 21 patients. 88% of them were for generic drugs. CMS names the drug for 105 of them, across 7 drugs with 11 or more claims each, at $22,682 in total drug cost.

Part D claims, 2024233
Drugs named by CMS7
Total drug cost$22,682
Part D patients21

Dr. Nelson's Part D claims by kind of drug, 2024

  • Generic206 claims88%
  • Brand-name27 claims12%

Dr. Nelson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Nelson's Part D claims, 2024

  • Antipsychotics, patients 65 and over12%28 of 233 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Nelson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Lydia Madeleine Nelson has 1 publication on record

Dmand AI links 1 paper to Dr. Nelson in 2018.

Papers1

Recent publications by Dr. Nelson

See all 1 publications and co-authors

See who Dr. Nelson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nelson works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Lydia Madeleine Nelson received $146 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Nelson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $146.

Companies that paid Dr. Nelson the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nelson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Lydia Madeleine Nelson graduated from Keck School of Medicine of USC

Dr. Nelson graduated from Keck School of Medicine of USC in 2022.

  1. Medical schoolKeck School of Medicine of USC

Source: Dmand AI Professional Profile Data

Sources for Dr. Lydia Madeleine Nelson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Lydia Madeleine Nelson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Lydia Madeleine Nelson's NPI number?

Dr. Lydia Madeleine Nelson's NPI number is 1033869284. It was assigned on March 28, 2022, and it is active in the NPI Registry.

What kind of doctor is Dr. Lydia Madeleine Nelson?

Dr. Lydia Madeleine Nelson is a psychiatrist in Granada Hills, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Lydia Madeleine Nelson practice?

Dr. Nelson practices at 10605 N Balboa Blvd, Granada Hills, CA 91344. Dr. Nelson's primary practice is Aei & Associates in Granada Hills, California.

What is Dr. Lydia Madeleine Nelson's office phone number?

The practice phone on file for Dr. Nelson is (818) 419-6659.

What is Dr. Lydia Madeleine Nelson's medical license number?

Dr. Nelson's California license number on file is A190749.

Where did Dr. Lydia Madeleine Nelson go to medical school?

Dr. Nelson graduated from Keck School of Medicine of USC in 2022.

What drugs does Dr. Lydia Madeleine Nelson prescribe most?

In 2024 Medicare Part D data, Dr. Nelson's most prescribed drugs by claims were Quetiapine Fumarate, Clomipramine HCl and Mirtazapine.

Has Dr. Lydia Madeleine Nelson received payments from drug or device companies?

CMS Open Payments shows $146 in general payments to Dr. Nelson from 1 company from 2025 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.

How long has Dr. Lydia Madeleine Nelson been practicing?

Dr. Nelson graduated from medical school in 2022, 4 years ago.

Does Dr. Lydia Madeleine Nelson do research?

Dmand AI links 1 publication to Dr. Nelson.

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