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RILEY FRANKLIN TRIMM III MD
NPI 1912953019
Pediatrics - Developmental - Behavioral Pediatrics in Mobile, AL

Active since May 26, 2006PECOS Enrolled
1601 CENTER ST, STE 1S, MOBILE, AL 36604(251) 410-5437(251) 434-3852 Get Directions Write a Review

NPPES record last updated: February 16, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Riley Franklin Trimm Iii Md NPPES

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

RILEY FRANKLIN TRIMM III MD (NPI 1912953019) is an individual developmental - behavioral pediatrics provider in Mobile, Alabama, licensed in Alabama (15679) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912953019
Entity TypeIndividualMale
Primary Taxonomy2080P0006X
Provider Legal NameRILEY FRANKLIN TRIMM IIICredential: MD
Location Address1601 CENTER ST, STE 1SMobile, AL 36604-1512
Mailing AddressPo Box 40480Mobile, AL 36640-0480 · (251) 415-8577 · Fax (251) 415-8578
Phone(251) 410-5437
Fax(251) 434-3852
Sole ProprietorNo
Enumeration DateMay 26, 2006
Last NPPES UpdateFebruary 16, 2017
✔ NPI 1912953019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in AL · 15679
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
1601 CENTER ST, Mobile, AL 36604
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Other Identifiers 7

Medicaid009930160AL
Medicaid00012509MS
Other12-00301AL · United Healthcare
Medicare UPIND62556
Medicaid1115061LA
Medicaid255882300FL
Other51083377AL · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riley Franklin Trimm Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Riley Trimm reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usa Health Physician Billing Services LLC
0.1 mi
Obstetrics & Gynecology
1601 CENTER ST
Mobile, AL 36604
  • Reassigned Medicare billing, Alabama enrollment
  • 857 clinicians in this Medicare group
NPI 1013574722 (251) 415-1496
University Of South Alabama
1.6 mi
Clinical Medical Laboratory
2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 394 clinicians in this Medicare group
NPI 1497859052 (251) 471-7000

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

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.

MRS. JENNIFER GALLAGHER WILLIAMS CRNP
Nurse Practitioner (Pediatrics)
1601 CENTER ST, STE 1S
MOBILE, AL 36604
Mobile County (251) 410-5437
LADONNA M. CREWS MD
Pediatrics
1601 CENTER ST, STE 1N
MOBILE, AL 36604
Mobile County (251) 410-5437
USA HEALTH PHYSICIAN BILLING SERVICES LLC
Obstetrics & Gynecology
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 415-1496
USA HEALTH PHYSICIAN BILLING SERVICES LLC
Pediatrics (Pediatric Nephrology)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437
ELIZABETH FAIR PHD
Psychologist (Clinical)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437
KENDRA CRUM CRNP
Nurse Practitioner (Family)
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 410-5437
DR. MURPHY MCGRIFF WALTERS MD
Orthopaedic Surgery
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 665-8200
MISS CAITLYN BETH LATIOLAIS PA-C
Physician Assistant
1601 CENTER ST
MOBILE, AL 36604
Mobile County (251) 660-5108

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 Riley Trimm's NPI number?

The NPI number for Riley Trimm is 1912953019. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is Riley Trimm located?

Riley Trimm practices at 1601 Center St Ste 1S, Mobile, AL 36604. The listed phone number is (251) 410-5437.

What is Riley Trimm's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Riley Trimm enrolled in Medicare?

Yes. Riley Trimm is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Riley Trimm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Riley Trimm reassigns Medicare benefits to 2 organizations: Usa Health Physician Billing Services LLC (Mobile, AL) and University Of South Alabama (Mobile, AL). 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 Riley Trimm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Riley Trimm accept?

Health plans from Molina Healthcare list Riley Trimm 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 Riley Trimm was last updated on February 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.