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

RONALD G ST. HILL MD
NPI 1316032147
Psychiatry & Neurology - Child & Adolescent Psychiatry in Gardena, CA

Active since October 04, 2006PECOS EnrolledAccepts Medicare Assignment
1225 W 190TH ST STE 280, GARDENA, CA 90248(877) 515-8113 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 9, 2026, Sep 5, 2023, Jan 31, 2017 (3 updates tracked since 2017).

About Ronald G St. Hill Md NPPES

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

RONALD G ST. HILL MD (NPI 1316032147) is an individual child & adolescent psychiatry provider in Gardena, California, licensed in Illinois (036-113170) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1316032147
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameRONALD G ST. HILLCredential: MD
Location Address1225 W 190TH ST STE 280Gardena, CA 90248-4305
Mailing Address1005 Broadway StQuincy, IL 62301-2834 · (217) 223-8400 · Fax (217) 277-3960
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateOctober 4, 2006
Last NPPES UpdateOctober 9, 20263 updates tracked since enumeration
NPPES CertifiedOctober 9, 2026
✔ NPI 1316032147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in IL · 036-113170✔ Licensed in CA · 186820✔ Licensed in TX · Q2392
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 186820 (CA), Q2392 (TX), 036-113170 (IL)
1225 W 190TH ST STE 280, Gardena, CA 90248

Secondary Practice Locations 2

Location 1927 Broadway StQuincy, IL 62301-2719 · Phone (217) 224-4453 · Fax (217) 224-9383
Location 26228 Highway 96 SPayson, IL 62360-2056 · Phone (217) 506-2880

Other Identifiers 3

Medicaid036113170IL
Medicaid207468000MO
Other732001IL · Blue Cross Blue Shield

Accepted 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

Ronald G St. Hill Md 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 ID648201822
PECOS Enrollment IDI20050826000852, I20151001001342, I20230829000906
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

9

Medicare enrollment records show Ronald St. Hill reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Child & Adolescent Psychiatry
1225 W 190TH ST STE 280
Gardena, CA 90248
  • Reassigned Medicare billing, California, Illinois and Texas enrollments
  • 375 clinicians in this Medicare group
Case Management
19965 FM 3175
Lytle, TX 78052
  • Reassigned Medicare billing, Texas enrollment
  • 152 clinicians in this Medicare group
Psychiatry
1751 RIVER RUN STE 200
Fort Worth, TX 76107
  • Reassigned Medicare billing, Texas enrollment
  • 20 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
1009 N GEORGETOWN ST
Round Rock, TX 78664
  • Reassigned Medicare billing, Texas enrollment
  • 216 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
110 S 12TH ST
Waco, TX 76701
  • Reassigned Medicare billing, Texas enrollment
  • 172 clinicians in this Medicare group
1,385 mi
Psychiatry
2001 S MEDFORD DR
Lufkin, TX 75901
  • Reassigned Medicare billing, Texas enrollment
  • 150 clinicians in this Medicare group
Mental Health
2750 S 8TH ST
Beaumont, TX 77701
  • Reassigned Medicare billing, Texas enrollment
  • 100 clinicians in this Medicare group
Thoracic Surgery (Cardiothoracic Vascular Surgery)
927 BROADWAY ST, SUITE 205
Quincy, IL 62301
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1114471737 (Illinois)
  • 127 clinicians in this Medicare group
Primary Care
520 N 4TH ST
Springfield, IL 62702
  • Reassigned Medicare billing, Illinois enrollment
  • 262 clinicians in this Medicare group

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.

Psychiatry & Neurology (Psychiatry)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Psychiatry & Neurology (Psychiatry)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Psychiatry & Neurology (Psychiatry)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Student in an Organized Health Care Education/Training Program
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Family)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248
Nurse Practitioner (Psychiatric/Mental Health)
1225 W 190TH ST STE 280
GARDENA, CA 90248

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 Ronald St. Hill's NPI number?

The NPI number for Ronald St. Hill is 1316032147. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Ronald St. Hill located?

Ronald St. Hill practices at 1225 W 190th St Ste 280, Gardena, CA 90248. The listed phone number is (877) 515-8113.

What is Ronald St. Hill's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Ronald St. Hill enrolled in Medicare?

Yes. Ronald St. Hill 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 Ronald St. Hill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald St. Hill reassigns Medicare benefits to 9 organizations: Ehab Yacoub MD Inc. (Gardena, CA), Camino Real Community Mhmr Center (Lytle, TX), Ehab Yacoub MD PLLC (Fort Worth, TX), Bluebonnet Trails Community Mhmr Center (Round Rock, TX), Heart Of Texas Region Mhmr Center (Waco, TX) and 4 more organizations, listed in the Medicare section above. 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 Ronald St. Hill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald St. Hill accept?

Health plans from Anthem Blue Cross and Blue Shield, Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare and Moda Health Plan, Inc. and 2 other insurers list Ronald St. Hill 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 Ronald St. Hill was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.