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MAEVEEN RIORDAN DO
NPI 1659876431
Internal Medicine - Clinical Cardiac Electrophysiology in Golden, CO

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment
780 SIMMS ST STE 200, GOLDEN, CO 80401(303) 595-2727(303) 595-2626 Get Directions Write a Review

NPPES record last updated: October 14, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Maeveen Riordan Do NPPES

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

MAEVEEN RIORDAN DO (NPI 1659876431) is an individual clinical cardiac electrophysiology provider in Golden, Colorado, licensed in Colorado (DR.0066311) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1659876431
Entity TypeIndividualFemale
Primary Taxonomy207RC0001X
Provider Legal NameMAEVEEN RIORDANCredential: DO
Location Address780 SIMMS ST STE 200Golden, CO 80401-4725
Mailing Address780 Simms St Ste 200Golden, CO 80401-4725 · (303) 595-2727 · Fax (303) 595-2626
Phone(303) 595-2727
Fax(303) 595-2626
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 26, 2018
Last NPPES UpdateOctober 14, 2024
NPPES CertifiedOctober 14, 2024
✔ NPI 1659876431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License✔ Licensed in CO · DR.0066311
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
780 SIMMS ST STE 200, Golden, CO 80401
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maeveen Riordan Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577819697
PECOS Enrollment IDI20241203003205
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 Maeveen Riordan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Colorado Heart And Vascular PC
Same address
Cardiovascular Disease
780 SIMMS ST STE 200
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 21 clinicians in this Medicare group
NPI 1013227651 (303) 595-2727

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 80401 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
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 6

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

MCHALE O. ANDERSON MD
Internal Medicine (Cardiovascular Disease)
780 SIMMS ST STE 200
GOLDEN, CO 80401
Jefferson County (303) 595-2727
COLORADO HEART AND VASCULAR PC
Internal Medicine (Cardiovascular Disease)
780 SIMMS ST STE 200
GOLDEN, CO 80401
Jefferson County (303) 595-2727
ANUPAMA B K
Internal Medicine (Cardiovascular Disease)
780 SIMMS ST STE 200
GOLDEN, CO 80401
Jefferson County (303) 595-2727
ALEXANDER CUBBERLEY MD
Internal Medicine (Cardiovascular Disease)
780 SIMMS ST STE 200
GOLDEN, CO 80401
Jefferson County (303) 595-2727
MRS. STEVIE MAE BAUTISTA PA-C
Physician Assistant
780 SIMMS ST STE 200
GOLDEN, CO 80401
Jefferson County (303) 595-2727
ROHAN TRIVEDI
Internal Medicine (Clinical Cardiac Electrophysiology)
780 SIMMS ST STE 200
GOLDEN, CO 80401
Jefferson County (303) 595-2727

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 Maeveen Riordan's NPI number?

The NPI number for Maeveen Riordan is 1659876431. It was assigned to this individual provider in the NPPES registry on March 26, 2018.

Where is Maeveen Riordan located?

Maeveen Riordan practices at 780 Simms St Ste 200, Golden, CO 80401. The listed phone number is (303) 595-2727.

What is Maeveen Riordan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Maeveen Riordan enrolled in Medicare?

Yes. Maeveen Riordan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Maeveen Riordan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maeveen Riordan reassigns Medicare benefits to Colorado Heart And Vascular PC (Golden, CO). 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 Maeveen Riordan'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 Maeveen Riordan was last updated on October 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.