CONSTANTINE THEOHARIS (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1114048899

CONSTANTINE THEOHARIS (M.D.) is a healthcare provider. based in San antonio, Texas. specializing in Anatomic Pathology & Clinical Pathology Physician. They hold the professional credentials M.D.. They hold a License No. 4301070815 (MI). The NPI Number for CONSTANTINE THEOHARIS (M.D.) is 1114048899

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
CONSTANTINE THEOHARIS (M.D.)
NPI
1114048899
Phone
(210) 558-6288
Address
PO BOX 681149
Enumeration Date
2 April 2007
Last Update Date
14 February 2022

Doctor Profile

Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Secondary Phone
2105586288
Graduation Year
1997 (29 years ago)
PAC ID
2264345008
Group Practice PAC ID
6406851054
Professional Enrollment ID
I20130425000042
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness75
Years active:19State licenses:2Digital endpointsOther names

Provider Addresses for CONSTANTINE THEOHARIS (M.D.)

  • PO BOX 681149

    SUITE 400

    SAN ANTONIO, TX 782681149

    Phone: (210) 558-6288

    Fax: (210) 558-6289

    Type: Mailing

  • 4085 DE ZAVALA RD

    SUITE 200

    SHAVANO PARK, TX 782492084

    Phone: (210) 575-4739

    Type: Location

  • 9600 DATAPOINT DR

    SAN ANTONIO, TX 782292028

    Phone: (210) 892-3700

    Fax: (210) 614-4636

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 78268)

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Provider's Procedures

CONSTANTINE THEOHARIS (M.D.) performs procedures in Anatomic Pathology & Clinical Pathology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYTX88307Pathology examination of tissue using a microscope, moderately high complexity8567
PATHOLOGYTX88342Tissue or cell analysis by immunologic technique1717

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6406851054View full group profile
NameSpecialtyState
PETER E RAMIREZ (MD)
-TX
MICHAEL O LOVELL (MD)
P A T H O L O G YTX
SHAKIL H MERCHANT (M.D.)
-TX
THEODORE SNIDER (MD)
P A T H O L O G YTX
JILL BLANCHARD UECKER (MD)
P A T H O L O G YTX
JOHN H STUCKEY (M.D.)
-TX
DR. KATHERINE MICHELLE CEBE (M.D.)
P A T H O L O G YTX
CAITLIN PAIGE PORTER-SMITH (DO)
P A T H O L O G YTX
JOYCE GENSBERG SCHWARTZ (MD)
P A T H O L O G YTX
FRANCISCO ORLANDO ZALDANA (DO)
P A T H O L O G YTX

Reviews

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Frequently asked questions

How is CONSTANTINE THEOHARIS (M.D.) identified in CMS data?
CMS-hosted NPPES data lists CONSTANTINE THEOHARIS (M.D.) with NPI 1114048899.
Can I rely on CONSTANTINE THEOHARIS (M.D.) being an active provider?
As of the registry snapshot, CONSTANTINE THEOHARIS (M.D.) is marked active.
What is CONSTANTINE THEOHARIS (M.D.)'s primary classification?
Anatomic Pathology & Clinical Pathology Physician is the headline specialty for CONSTANTINE THEOHARIS (M.D.) here. Clinical services aligned with this taxonomy classification.
Where is CONSTANTINE THEOHARIS (M.D.) based?
CONSTANTINE THEOHARIS (M.D.) is tied to San Antonio, Texas in the data we show; additional addresses may exist on the full record.
Is the information about CONSTANTINE THEOHARIS (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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