Int J Psychiatry Med
Antidepressive AgentsAnxiety DisordersCocaine-Related Disorders
Dr. Ralph Hemerson De Similien, MD
NPI1013355676
- Medicare services, 2023
- 128
- Part D claims, 2023
- 12
- Publications
- 5
- Industry payments
- $260
- Affiliated sites
- 3
- Practice address
- 601 Hwy 110 N Suite O Suite O, Whitehouse, TX 75791-3037
- Practice phone
- Call (903) 839-1775
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Etmc Physician Group - Whitehouse
Primary care practice · Whitehouse, Texas
Find Dr. De Similien's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ralph Hemerson De Similien is a psychiatrist in Tyler, Texas
Dr. De Similien practices at Etmc Physician Group - Whitehouse in Whitehouse, Texas.
Dr. De Similien's NPI, 1013355676, was assigned on June 5, 2013. Dr. De Similien graduated from Wayne State University School Of Medicine in 2013. Dr. De Similien's Texas license number on file is S3965.
NPI and contact details
- NPI
- 1013355676NPI Registry (opens in a new tab)
- NPI enumeration date
- June 5, 2013
- NPI status
- Active
- Practice phone
- (903) 839-1775
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ralph Hemerson De Similien practices in Whitehouse and Tyler
Dr. De Similien's primary practice is Etmc Physician Group - Whitehouse, at 601 Hwy 110 N Suite O Suite O, Whitehouse, TX 75791-3037. The practice phone is (903) 839-1775. The NPI Registry lists Dr. De Similien's practice address as 11937 Hwy 271, Tyler, TX 75708.
- Etmc Physician Group - WhitehousePrimary601 Hwy 110 N Suite O Suite O, Whitehouse, TX 75791-3037Phone(903) 839-1775
- NPI Registry address11937 Hwy 271, Tyler, TX 75708 · Smith CountyPhone(281) 901-0940
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ralph Hemerson De Similien is affiliated with 3 sites of care and 6 medical groups
Dr. De Similien's primary practice is Etmc Physician Group - Whitehouse in Whitehouse, Texas. The medical group on file is UT Health East Texas Physicians. Dmand AI also links Dr. De Similien to 5 more medical groups and 2 group practices and clinics, each named with a free account.
Etmc Physician Group - WhitehousePrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ralph Hemerson De Similien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Similien practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Etmc Physician Group - Whitehouse | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ralph Hemerson De Similien is one of 2,406 psychiatrists in Texas
Psychiatry is Dr. De Similien's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. De Similien is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. De Similien has a license on file in Texas.
Specialties and state licenses
- Psychiatry, TexasPrimary
Clinical focus
Dmand AI lists bipolar disorder, insomnia, non-alzheimer's dementia (chronic), psychological distress, psychoses and schizophrenia among the conditions Dr. De Similien treats.
Psychiatrists near Dr. De Similien
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ralph Hemerson De Similien billed Medicare for 128 services in 2023
CMS data shows 128 Medicare services from Dr. De Similien across 3 procedure codes in 2023. Medicare paid $8,937 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2023128
Paid by Medicare$8,937
Procedure codes3
Dr. De Similien's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1832023: 11239%
- Tests and treatments
- 2022: 02023: 16
Dr. De Similien compared with the Texas median for psychiatrists, 2023
- Dr. De Similien
- Texas median
- Medicare services
- 128vs 11016% above
- Part D claims
- 12vs 16393% below
Medians across 2,341 psychiatrists in Texas with Dmand AI profiles that report each measure.
Dr. De Similien's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. De Similien and other psychiatrists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ralph Hemerson De Similien wrote 12 Medicare Part D claims in 2023
In 2023, Dr. De Similien wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $157 in total drug cost. In 2022, CMS named 33 claims across 2 drugs.
Part D claims, 202312
Drugs named by CMS1
Total drug cost$157
Dr. De Similien's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 332023: 1264%
Drugs named by CMS: 1 in 2023, 2 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ralph Hemerson De Similien has 5 publications on record
Dmand AI links 5 papers to Dr. De Similien in 2018. Dr. De Similien's most frequent co-authors are Suneeta Kumari, MD, MPH, Mansoor Ahmed Malik, MD and Partam Manalai, MD.
Papers5
Dr. De Similien's most frequent co-authors
- Suneeta Kumari, MD, MPH1 shared paper
- Mansoor Ahmed Malik, MD1 shared paper
- Partam Manalai, MD1 shared paper
Recent publications by Dr. De Similien
Ann Clin Psychiatry
Black or African AmericanDistrict of ColumbiaIll-Housed Persons
See who Dr. De Similien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. De Similien works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ralph Hemerson De Similien received $260 in industry payments from 2017 to 2025
CMS Open Payments shows 5 general payments to Dr. De Similien from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $121.
General payments to Dr. De Similien by program year, 2017 to 2025
Companies that paid Dr. De Similien the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ralph Hemerson De Similien has 9 awards and honors on record
Dmand AI lists 9 awards for Dr. De Similien, most recently Outstanding Chief Resident Contribution Award in 2017. Dr. De Similien serves on Member APA's Council on International Psychiatry and Psychiaty Time.
Awards and honors for Dr. De Similien
- 2017
- Outstanding Chief Resident Contribution Award
- Resident Research Recognition Award
- 2016
- American Psychiatric Association (APA)
- NIMH Outstanding Resident Award Program (ORAP):Nominated and Received Honorable Mention
- 2012
- Board of Governor Dean Scholarship
- 2011
- Community Champions Scholarship
Dr. De Similien's committees and leadership roles
- Member APA's Council on International PsychiatryFellow
- 2016 to present
- Psychiaty TimeAdvisory Board Member
- 2016 to present
- APA's Institute of Psychiatric Services (IPS)Scientific Program Committee Member Representative
- 2016 to 2018
- Howard University Hospital Psychiatry DepartmentChief Resident
- 2016 to 2017
Source: Dmand AI Professional Profile Data
Dr. Ralph Hemerson De Similien graduated from Wayne State University School Of Medicine
Dr. De Similien graduated from Wayne State University School Of Medicine in 2013. Dr. De Similien is a member of American Academy of Addiction Psychiatry (AAAP), AACP, AAPA, AMA, APA and Washington Psychiatric Society (WPS).
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Ralph Hemerson De Similien accepts plans from 10 insurance carriers
Dr. De Similien is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Cigna
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- +2 more carriersWith a free account
Plan types Dr. De Similien accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- POS4
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ralph Hemerson De Similien's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ralph Hemerson De Similien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ralph Hemerson De Similien's NPI number?
Dr. Ralph Hemerson De Similien's NPI number is 1013355676. It was assigned on June 5, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ralph Hemerson De Similien?
Dr. Ralph Hemerson De Similien is a psychiatrist in Tyler, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ralph Hemerson De Similien practice?
Dr. De Similien practices at 601 Hwy 110 N Suite O Suite O, Whitehouse, TX 75791-3037. Dr. De Similien also practices at 11937 Hwy 271, Tyler, TX 75708. Dr. De Similien's primary practice is Etmc Physician Group - Whitehouse in Whitehouse, Texas. Dmand AI also links Dr. De Similien to 5 medical groups and 2 group practices and clinics.
What is Dr. Ralph Hemerson De Similien's office phone number?
The practice phone on file for Dr. De Similien is (903) 839-1775.
What is Dr. Ralph Hemerson De Similien's medical license number?
Dr. De Similien's Texas license number on file is S3965.
What medical group is Dr. Ralph Hemerson De Similien part of?
Dr. De Similien is linked to UT Health East Texas Physicians. Dmand AI links Dr. De Similien to 5 more medical groups.
Does Dr. Ralph Hemerson De Similien accept Medicare?
Yes. CMS data shows Dr. De Similien billed Medicare for 128 services in 2023.
Is Dr. Ralph Hemerson De Similien board certified?
Yes. Dr. De Similien is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Ralph Hemerson De Similien bill to Medicare?
In 2023, Dr. De Similien's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and psychiatric service (90792).
Where did Dr. Ralph Hemerson De Similien go to medical school?
Dr. De Similien graduated from Wayne State University School Of Medicine in 2013.
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What drugs does Dr. Ralph Hemerson De Similien prescribe most?
In 2023 Medicare Part D data, Dr. De Similien's most prescribed drugs by claims were Trazodone HCl.
Has Dr. Ralph Hemerson De Similien received payments from drug or device companies?
CMS Open Payments shows $260 in general payments to Dr. De Similien from 4 companies from 2017 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Ralph Hemerson De Similien been practicing?
Dr. De Similien graduated from medical school in 2013, 13 years ago.
Does Dr. Ralph Hemerson De Similien do research?
Dmand AI links 5 publications to Dr. De Similien.
Who does Dr. Ralph Hemerson De Similien publish with?
Dr. De Similien's most frequent co-authors are Suneeta Kumari, MD, MPH (1 shared paper), Mansoor Ahmed Malik, MD (1 shared paper) and Partam Manalai, MD (1 shared paper).
What insurance does Dr. Ralph Hemerson De Similien accept?
Dr. De Similien is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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