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DR. SPIRO THEOHARAKIS MD
NPI 1124004056
Psychiatry & Neurology - Psychiatry in Smithtown, NY

Active since December 22, 2005PECOS Enrolled
50 KARL AVE, STE 205, SMITHTOWN, NY 11787(631) 366-3600(631) 366-3667 Get Directions Write a Review

NPPES record last updated: July 3, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Spiro Theoharakis Md NPPES

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

DR. SPIRO THEOHARAKIS MD (NPI 1124004056) is an individual psychiatry provider in Smithtown, New York, licensed in New York (175445) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124004056
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. SPIRO THEOHARAKISCredential: MD
Location Address50 KARL AVE, STE 205Smithtown, NY 11787-2744
Mailing Address50 Karl Ave, Ste 205Smithtown, NY 11787-2744 · (631) 366-3600 · Fax (631) 366-3667
Phone(631) 366-3600
Fax(631) 366-3667
Sole ProprietorYes
Enumeration DateDecember 22, 2005
Last NPPES UpdateJuly 3, 2008
✔ NPI 1124004056 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 NY · 175445
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.
50 KARL AVE, Smithtown, NY 11787
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Other Identifiers 3

Medicare ID-Type Unspecified70K221NY
Medicare UPINF70752
Medicaid01589399NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Spiro Theoharakis 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 Reassignment

Medicare enrollment records show Spiro Theoharakis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Long Island Select Healthcare, Inc.
1.2 mi
Developmental Disabilities
75 LANDING MEADOW RD
Smithtown, NY 11787
  • Reassigned Medicare billing, New York enrollment
  • 70 clinicians in this Medicare group
NPI 1235684127 (631) 650-2510

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 11787 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. FLO MARSHAK LCSW
Social Worker (Clinical)
50 KARL AVE, STE 205
SMITHTOWN, NY 11787
Suffolk County (631) 724-5500
ADVANCED PSYCHOLOGICAL ASSESSMENT, P.C.
Clinical Neuropsychologist
50 KARL AVE, SUITE 104
SMITHTOWN, NY 11787
Suffolk County (631) 378-0741

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 Spiro Theoharakis's NPI number?

The NPI number for Spiro Theoharakis is 1124004056. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Spiro Theoharakis located?

Spiro Theoharakis practices at 50 Karl Ave Ste 205, Smithtown, NY 11787. The listed phone number is (631) 366-3600.

What is Spiro Theoharakis's specialty?

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

Is Spiro Theoharakis enrolled in Medicare?

Yes. Spiro Theoharakis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Spiro Theoharakis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spiro Theoharakis reassigns Medicare benefits to Long Island Select Healthcare, Inc. (Smithtown, NY). The 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 Spiro Theoharakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Spiro Theoharakis was last updated on July 3, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.