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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. BENJAMIN CARL DUNCAN LCSW
NPI 1780830125
Social Worker - Clinical in Phoenix, AZ

Active since August 18, 2008PECOS EnrolledAccepts Medicare Assignment
4212 N 16TH ST, PHOENIX, AZ 85016(602) 263-1200(602) 263-1619 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 5, 2026, Apr 24, 2019 (2 updates tracked since 2019).

About Mr. Benjamin Carl Duncan Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. BENJAMIN CARL DUNCAN LCSW (NPI 1780830125) is an individual clinical provider in Phoenix, Arizona, licensed in New Mexico (C-06491) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1780830125
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. BENJAMIN CARL DUNCANCredential: LCSW
Location Address4212 N 16TH STPhoenix, AZ 85016-5319
Mailing AddressPo Box 95460Cleveland, OH 44101-0033 · (602) 581-6076 · Fax (602) 263-1619
Phone(602) 263-1200
Fax(602) 263-1619
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateAugust 18, 2008
Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1780830125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NM · C-06491
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4212 N 16TH ST, Phoenix, AZ 85016
Open in Google Maps ↗

Other Names 1

Other Name (5)Mr. B. Carl Duncan Lisw

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Benjamin Carl Duncan Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375611635
PECOS Enrollment IDI20081014000402
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $55.44 – $168.60
Typical copayment $0.00 (range $13.86 – $42.15)
Most-billed visit code NA
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WENDY RAZO
Registered Nurse (Obstetric, High-Risk)
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
THOMAS RYAN HALL RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
DR. UMAR IQBAL M.D.
Family Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
SHARLA LOUISE WYATT RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
KATELYN WENTWORTH PELTIER PHARMD
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
LAURA MOLANDER
Pharmacist
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
DR. ADEL M SALAMA M.D.
Internal Medicine
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1200
ANCITA BIGMAN RN
Registered Nurse
4212 N 16TH ST
PHOENIX, AZ 85016
Maricopa County (602) 263-1511

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Benjamin Duncan's NPI number?

The NPI number for Benjamin Duncan is 1780830125. It was assigned to this individual provider in the NPPES registry on August 18, 2008. The provider is also known as Mr. B. Carl Duncan Lisw.

Where is Benjamin Duncan located?

Benjamin Duncan practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.

What is Benjamin Duncan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Benjamin Duncan enrolled in Medicare?

Yes. Benjamin Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Benjamin Duncan was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.