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DR. MAHLON DAVID ROUN JR. DBH, LCSW
NPI 1871529446
Social Worker - Clinical in Tucson, AZ

Active since June 24, 2006PECOS EnrolledAccepts Medicare Assignment
4977 E BELLEVUE ST, TUCSON, AZ 85712(520) 390-2986 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 24, 2026, Jul 30, 2020 (2 updates tracked since 2020).

About Dr. Mahlon David Roun Jr. Dbh, Lcsw NPPES

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

DR. MAHLON DAVID ROUN JR. DBH, LCSW (NPI 1871529446) is an individual clinical provider in Tucson, Arizona, licensed in Arizona (LCSW-17645) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1871529446
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameDR. MAHLON DAVID ROUN JR.Credential: DBH, LCSW
Location Address4977 E BELLEVUE STTucson, AZ 85712-4711
Mailing Address4977 E Bellevue StTucson, AZ 85712-4711 · (520) 390-2986
Phone(520) 390-2986
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateJune 24, 2006
Last NPPES UpdateApril 24, 20262 updates tracked since enumeration
NPPES CertifiedApril 24, 2026
✔ NPI 1871529446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in AZ · LCSW-17645✔ Licensed in CO · 09932632
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.
4977 E BELLEVUE ST, Tucson, AZ 85712
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Other Names 1

Other Name (5)David Roun

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mahlon David Roun Jr. Dbh, 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 ID345658035
PECOS Enrollment IDI20210625001684, I20251230003752
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Mahlon Roun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sondermind Provider Network LLC
614 mi
Clinical
1738 WYNKOOP ST STE 303
Denver, CO 80202
  • Reassigned Medicare billing, Arizona and Texas enrollments
  • 191 clinicians in this Medicare group
NPI 1760854442 (844) 843-7279
Mental Health Specialty Group PA
1,843 mi
Mental Health
110 N CORCORAN ST FL 5
Durham, NC 27701
  • Reassigned Medicare billing, Arizona and Colorado enrollments
  • 99 clinicians in this Medicare group
NPI 1801472634 (323) 205-7088
Grow Healthcare Group PA
1,904 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Arizona and Colorado enrollments
  • 532 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85712 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.

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 Mahlon Roun's NPI number?

The NPI number for Mahlon Roun is 1871529446. It was assigned to this individual provider in the NPPES registry on June 24, 2006. The provider is also known as David Roun.

Where is Mahlon Roun located?

Mahlon Roun practices at 4977 E Bellevue St, Tucson, AZ 85712. The listed phone number is (520) 390-2986.

What is Mahlon Roun's specialty?

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

Is Mahlon Roun enrolled in Medicare?

Yes. Mahlon Roun 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.

Which organizations bill Medicare for Mahlon Roun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahlon Roun reassigns Medicare benefits to 3 organizations: Sondermind Provider Network LLC (Denver, CO), Mental Health Specialty Group PA (Durham, NC) and Grow Healthcare Group PA (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mahlon Roun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mahlon Roun accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Insurance Company, Select Health and UnitedHealthcare list Mahlon Roun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mahlon Roun was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.