Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Cardiovascular on Call Specialists Inc

Physiological Laboratory in Plano, TX · enumerated 2007 · authorized official Morton Graham, President and Ceo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1922144583

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Registry record

Entity type Organization (Type 2)

Legal business name Cardiovascular on Call Specialists Inc

Other name <Unavail>

Practice address 808 Stone Trail Dr, Plano, TX, 75023

Phone (214) 363-6611

Fax (214) 363-6851

Enumeration date Jan 30, 2007

Last updated in NPPES Jun 15, 2011

Taxonomy & classification

293D00000X Physiological Laboratory Laboratories Primary

Authorized official

Name Morton Graham

Title President and Ceo

Phone (214) 363-6611

Other identifiers

Identifier	Type	State	Issuer
0092KY	Other	TX	BCBS
088010601	Medicaid	TX	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Cardiovascular on Call Specialists Inc?

Cardiovascular on Call Specialists Inc is registered in NPPES as a Physiological Laboratory (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Morton Graham Cardiovascular Specialist/Technologist · Plano, TX NPI 1144539453

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-15.