INTERNAL MEDICINE & CARDIOLOGY ASSOCIATES PA
NPI 1689850331
Specialist in Kissimmee, FL

Q: What is Internal Medicine & Cardiology Associates PA's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Active since January 11, 2008CLIA 10D0922966 · Waiver

1819 W OAK ST, KISSIMMEE, FL 34741(407) 870-8220(407) 870-8990 Get Directions Write a Review

NPPES record last updated: August 14, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Internal Medicine & Cardiology Associates Pa NPPES

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

INTERNAL MEDICINE & CARDIOLOGY ASSOCIATES PA (NPI 1689850331) is a healthcare organization registered as a specialist in Kissimmee, Florida and active in the NPI registry since January 2008. The organization holds a CLIA Waiver certificate valid through December 10, 2026 and lists Aisha Siddiqui, Manager, as its authorized official.

NPPES Registry Identity

NPI1689850331

Entity TypeOrganization

Primary Taxonomy174400000X

Legal Business NameINTERNAL MEDICINE & CARDIOLOGY ASSOCIATES PA

Location Address1819 W OAK STKissimmee, FL 34741-4077

Mailing Address1819 W Oak StKissimmee, FL 34741-4077 · (407) 870-8220 · Fax (407) 870-8990

Phone(407) 870-8220

Fax(407) 870-8990

Organization SubpartNo

Authorized OfficialAisha SiddiquiManager · (407) 870-8220

Enumeration DateJanuary 11, 2008

Last NPPES UpdateAugust 14, 2024

NPPES CertifiedAugust 14, 2024

✔ NPI 1689850331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

Licenses✔ Licensed in FL · ME0067241✔ Licensed in FL · ME0071877

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

1819 W OAK ST, Kissimmee, FL 34741

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Wellpoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Internal Medicine & Cardiology Associates Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateFloridaEnrollment IDO20120530000197Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Internal Medicine & Cardiology Associates PA, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Mehr Rahmatullah, M.D.

Internal Medicine

NPI 1427088442

1819 W OAK ST
Kissimmee, FL 34741

(407) 870-8220

✔ PECOS✔ Accepts MedicareSame address

Nasir Rahmatullah, M.D.

Cardiovascular Disease (Cardiology)

NPI 1679503684

1819 W OAK ST
Kissimmee, FL 34741

(407) 870-8220

✔ PECOS✔ Accepts MedicareSame address

Faraz Asrar, M.D.

Hospitalist

NPI 1851539795

601 E ROLLINS ST
Orlando, FL 32803

(407) 464-9516

✔ PECOS✔ Accepts Medicare19 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 10D0922966

Internal Medicine & Cardiology · Kissimmee, FL

Active · expires Dec 10, 2026

CLIA Number10D0922966

Laboratory TypePhysician Office

Certificate Effective DateDecember 11, 2024

Certificate Expiration DateDecember 10, 2026

Laboratory DirectorNasir I. Rahmatullah MD

Laboratory Phone(407) 870-8220

Laboratory LocationInternal Medicine & Cardiology1819 W Oak Street, Kissimmee, FL 34741

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Internal Medicine & Cardiology Associates PA's NPI number?

The NPI number for Internal Medicine & Cardiology Associates PA is 1689850331. It was assigned to this organization in the NPPES registry on January 11, 2008.

Where is Internal Medicine & Cardiology Associates PA located?

Internal Medicine & Cardiology Associates PA is located at 1819 W Oak St, Kissimmee, FL 34741. The listed phone number is (407) 870-8220.

What is Internal Medicine & Cardiology Associates PA's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Internal Medicine & Cardiology Associates PA enrolled in Medicare?

Yes. Internal Medicine & Cardiology Associates PA is registered in the Medicare PECOS enrollment system.

When is Internal Medicine & Cardiology Associates PA's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Florida, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Internal Medicine & Cardiology Associates PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Internal Medicine & Cardiology Associates PA, in Cardiovascular Disease (Cardiology), Hospitalist and Internal Medicine. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Internal Medicine & Cardiology Associates PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D0922966) is associated with this NPI, valid through December 10, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Internal Medicine & Cardiology Associates PA accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Wellpoint list Internal Medicine & Cardiology Associates PA as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Internal Medicine & Cardiology Associates PA was last updated on August 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.