Spiro Theoharakis, MD
NPI 1124004056 · Psychiatry Physician · Smithtown, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spiro Theoharakis, MD is a Psychiatry Physician provider in Smithtown, NY (NPI 1124004056).
Provider details
- NPI number
- 1124004056
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 175445 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Risperidone | 333 | 41 |
| Clonazepam | 232 | 73 |
| Escitalopram Oxalate | 225 | 31 |
| Olanzapine | 214 | 24 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 209 | 22 |
| Aripiprazole | 208 | 44 |
| Benztropine Mesylate | 201 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$240 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2008-07-03
Frequently asked questions
- What is Spiro Theoharakis's NPI number?
- Spiro Theoharakis's National Provider Identifier (NPI) is 1124004056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spiro Theoharakis's specialty?
- Spiro Theoharakis is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Spiro Theoharakis located?
- Spiro Theoharakis's practice location on file with NPPES is 50 Karl Ave, Smithtown, NY 11787-2744.
- What is Spiro Theoharakis's phone number?
- The practice phone number listed in the NPPES registry for Spiro Theoharakis is (631) 366-3600.
- Does Spiro Theoharakis accept Medicare?
- Spiro Theoharakis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spiro Theoharakis's NPI active?
- Yes — Spiro Theoharakis's NPI (1124004056) is active in the NPPES registry as of the last update on 2008-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.