NATHAN LARSON (LCSW) – Clinical Social Worker, NPI 1427194299

NATHAN LARSON (LCSW) is a healthcare provider. based in Saint louis, Missouri. specializing in Clinical Social Worker. They hold the professional credentials LCSW. They hold a License No. SW001056 (MO). The NPI Number for NATHAN LARSON (LCSW) is 1427194299

Main info

Male
Sole Proprietor
40 Years Of Experience
Accepts Medicare Assignment
Name
NATHAN LARSON (LCSW)
NPI
1427194299
Phone
(314) 652-4100
Address
915 N GRAND BLVD
Enumeration Date
29 January 2007
Last Update Date
12 January 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6362374200
Graduation Year
1986 (40 years ago)
PAC ID
4880769017
Group Practice PAC ID
6901188572
Professional Enrollment ID
I20080821000556
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience66
Completeness75
Years active:19State licenses:2Digital endpointsOther names

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Provider Addresses for NATHAN LARSON (LCSW)

  • 915 N GRAND BLVD

    SAINT LOUIS, MO 631061621

    Phone: (314) 652-4100

    Fax: (314) 289-6597

    Type: Mailing

  • Saint Louis Counseling, 311, South Main Street, O’Fallon, Saint Charles County, Missouri, 63366, United States

    SUITE 100

    O FALLON, MO 633662807

    Phone: (636) 281-1990

    Fax: (636) 281-1995

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 63106)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6901188572View full group profile
NameSpecialtyState
Hospitalist, Internal Medicine, Internal MedicineIL
Emergency MedicineMO
Nurse PractitionerMO
Nurse PractitionerMO
-MO
Nurse PractitionerMO
Nurse PractitionerMO
Physician AssistantMO
N E U R O L O G YAR
Internal MedicineMO

Reviews

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Frequently asked questions

Does NATHAN LARSON (LCSW) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — NATHAN LARSON (LCSW) uses 1427194299.
Does the file indicate NATHAN LARSON (LCSW) is practicing under active NPI?
Directory data currently reports NATHAN LARSON (LCSW) as active.
What is NATHAN LARSON (LCSW)'s primary classification?
Clinical Social Worker is the headline specialty for NATHAN LARSON (LCSW) here. Clinical services aligned with this taxonomy classification.
What address line appears for NATHAN LARSON (LCSW)?
NATHAN LARSON (LCSW)'s geographic hint is Saint Louis, Missouri in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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