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DR. RALPH HEMERSON DE SIMILIEN M.D.
NPI 1013355676
Psychiatry & Neurology - Psychiatry in Whitehouse, TX

Active since June 05, 2013PECOS Enrolled
97.58/100
CMS Quality Rating
705 MEMORY LN, WHITEHOUSE, TX 75791(281) 901-0940(877) 910-0729 Get Directions Write a Review

NPPES record last updated: January 7, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 7, 2020, Jun 16, 2017 (2 updates tracked since 2017).

About Dr. Ralph Hemerson De Similien M.d. NPPES

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

DR. RALPH HEMERSON DE SIMILIEN M.D. (NPI 1013355676) is an individual psychiatry provider in Whitehouse, Texas, licensed in Texas (S3965) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013355676
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. RALPH HEMERSON DE SIMILIENCredential: M.D.
Location Address705 MEMORY LNWhitehouse, TX 75791-3692
Mailing Address740 Mix Ave Unit 407Hamden, CT 06514-2287 · (281) 901-0940 · Fax (877) 910-0729
Phone(281) 901-0940
Fax(877) 910-0729
Sole ProprietorNo
Enumeration DateJune 5, 2013
Last NPPES UpdateJanuary 7, 20202 updates tracked since enumeration
✔ NPI 1013355676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in TX · S3965
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
705 MEMORY LN, Whitehouse, TX 75791
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare 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 (PECOS)

Dr. Ralph Hemerson De Similien M.d. 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

6

Medicare enrollment records show Ralph De Similien reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Etmc Physician Group Inc.
9.5 mi
Cardiovascular Disease
1000 S BECKHAM AVE
Tyler, TX 75701
  • Reassigned Medicare billing, Texas enrollment
  • 636 clinicians in this Medicare group
NPI 1609382662 (903) 590-5611
Andrews Center/ Phillips
10.0 mi
Residential Treatment Facility, Intellectual and/or Developmental Disabilities
210 W PHILLIPS ST
Tyler, TX 75701
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Andrews Center
  • 71 clinicians in this Medicare group
NPI 1063436665 (903) 593-8861
University Of Texas Health Science Center At Tyler
13 mi
Nurse Anesthetist, Certified Registered
11937 US HIGHWAY 271
Tyler, TX 75708
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: University Of Texas Health Science Center At Tyler-Facilty-Physician
  • 299 clinicians in this Medicare group
NPI 1992868186 (903) 877-7777
Mind-Aid Behavioral Health
127 mi
Psychiatric/Mental Health
916 CROWDER DR
Crowley, TX 76036
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1902684442 (817) 852-5302
Bhiinco Better Health Integrated Initiatives LLC
198 mi
Psychiatry
5900 BALCONES DR # 25850
Austin, TX 78731
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1659197366 (817) 385-9359
Texas Tech University Health Sciences Center Odessa
421 mi
Family Medicine
701 W 5TH ST
Odessa, TX 79763
  • Reassigned Medicare billing, Texas enrollment
  • 122 clinicians in this Medicare group
NPI 1407845084 (432) 335-2222

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 75791 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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 Ralph De Similien's NPI number?

The NPI number for Ralph De Similien is 1013355676. It was assigned to this individual provider in the NPPES registry on June 5, 2013.

Where is Ralph De Similien located?

Ralph De Similien practices at 705 Memory Ln, Whitehouse, TX 75791. The listed phone number is (281) 901-0940.

What is Ralph De Similien's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ralph De Similien enrolled in Medicare?

Yes. Ralph De Similien is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ralph De Similien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ralph De Similien reassigns Medicare benefits to 6 organizations: Etmc Physician Group Inc. (Tyler, TX), Andrews Center/ Phillips (Tyler, TX), University Of Texas Health Science Center At Tyler (Tyler, TX), Mind-Aid Behavioral Health (Crowley, TX), Bhiinco Better Health Integrated Initiatives LLC (Austin, TX) and 1 more organization, 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 Ralph De Similien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ralph De Similien accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare, Molina Healthcare and WellPoint list Ralph De Similien 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 Ralph De Similien was last updated on January 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.