NPPES file of Aug 9, 2026

Calum Winter Nelson, PHARMD, APH, BCPS

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Los Angeles, CA

Calum Winter Nelson, PHARMD, APH, BCPS is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Los Angeles, California, and NPI 1326631078, issued on Feb 13, 2021. Check the license (California APH11298, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326631078
Name
Calum Winter Nelson
Credential
PHARMD, APH, BCPS
Primary taxonomy
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
License numbers
APH11298 CA
RPH82894 CA
Self-reported in NPPES; status is on the state search
Practice location
1225 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 977-2121
Enumerated
Feb 13, 2021
Record last updated
Apr 19, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1225 Wilshire Blvd

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

  1. Hanan Abdelfattah, PAPhysician Assistant1699230953
  2. Mari Abdulian, PA-CPhysician Assistant1629307947
  3. Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
  4. Tiffany Abramson, MDEmergency Medicine Physician1154793586
  5. Nicole Adams, FNPFamily Nurse Practitioner1730889270
  6. Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172

Verify Calum Winter Nelson 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 APH11298
    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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Calum Winter Nelson among 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California

Calum Winter Nelson, PHARMD, APH, BCPS is one of 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in California. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 81% of them.

  • NPI issued2021 · 81% of these records are older, 14% newer
  • In a Medicare fileNo · 17% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in California

There are 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes

  1. Hanna Sung, PHARMDLos Angeles, CA 900171508497926
  2. Jahangir Shams-Zaffarghandi, PHARM.DLos Angeles, CA 900181932857331
  3. Esther AhnLos Angeles, CA 900151386351948
  4. Ijeoma Eleazu, PHARMDLos Angeles, CA 900151073495156
  5. Mee Kyoung KimLos Angeles, CA 900191205347150
  6. Eunice Kim, PHARMDLos Angeles, CA 900151699281758
  7. Autumn Walkerly, PHARMDLos Angeles, CA 900151740055052
  8. Kevin ChenLos Angeles, CA 900201063265734

Common questions

What is Calum Winter Nelson, PHARMD, APH, BCPS's NPI number?

Calum Winter Nelson, PHARMD, APH, BCPS's National Provider Identifier (NPI) is 1326631078, issued on Feb 13, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Calum Winter Nelson, PHARMD, APH, BCPS located?

The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2121. Providers update this record themselves, so call before visiting.

How can I verify Calum Winter Nelson, PHARMD, APH, BCPS's license?

NPPES lists California license number APH11298, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.