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MR. MICHAEL PATRICK RIORDAN APRN
NPI 1508833278
Nurse Practitioner - Acute Care in Spartanburg, SC

Active since March 02, 2006PECOS EnrolledAccepts Medicare Assignment
96.08/100
CMS Quality Rating
101 E WOOD ST, SPARTANBURG, SC 29303(864) 560-6654(864) 560-7353 Get Directions Write a Review

NPPES record last updated: May 19, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 19, 2022, Dec 10, 2020 (2 updates tracked since 2020).

About Mr. Michael Patrick Riordan Aprn NPPES

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

MR. MICHAEL PATRICK RIORDAN APRN (NPI 1508833278) is an individual acute care provider in Spartanburg, South Carolina, licensed in South Carolina (3143) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Spartanburg Medical Center, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1508833278
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMR. MICHAEL PATRICK RIORDANCredential: APRN
Location Address101 E WOOD STSpartanburg, SC 29303-3040
Mailing AddressPo Box 743070Atlanta, GA 30374-3070 · (864) 560-4304 · Fax (864) 560-4413
Phone(864) 560-6654
Fax(864) 560-7353
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateMarch 2, 2006
Last NPPES UpdateMay 19, 20222 updates tracked since enumeration
NPPES CertifiedDecember 10, 2020
✔ NPI 1508833278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses✔ Licensed in SC · 3143✔ Licensed in CT · 003189
101 E WOOD ST, Spartanburg, SC 29303
Open in Google Maps ↗

Other Identifiers 1

MedicaidNP3036SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next, Molina Healthcare, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Michael Patrick Riordan Aprn 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 ID7810934676
PECOS Enrollment IDI20100205000608
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
85 services65 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spartanburg Medical Center

Acute Care Hospitals · Spartanburg, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420007
Location101 E Wood StSpartanburg, SC 29303 · Spartanburg County
Emergency services Birthing friendly

Cherokee Medical Center

Acute Care Hospitals · Gaffney, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420043
Location1530 N Limestone StGaffney, SC 29340 · Cherokee County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29303 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality92.17
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

DR. TONDRE BUCK M.D.
Internal Medicine (Hematology & Oncology)
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-7050
ADAM KEITH RAYNES
Nurse Anesthetist, Certified Registered
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-6000
RAJAN BHATT
Student in an Organized Health Care Education/Training Program
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-6285
NICHOLE TACKETT DO
Surgery
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-6285
PATRICIA C. GRIFFIN MD
Radiology (Radiation Oncology)
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-6917
DR. VIKAS DEMBLA M.D.
Internal Medicine (Hematology & Oncology)
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-7050
DR. ANDREW OMOIT EKATAN M.D.
Internal Medicine
101 E WOOD ST, SUITE 401
SPARTANBURG, SC 29303
Spartanburg County (864) 560-6654
STETSON REED BICKLEY M.D.
Radiology (Diagnostic Radiology)
101 E WOOD ST
SPARTANBURG, SC 29303
Spartanburg County (864) 560-6522

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 Michael Riordan's NPI number?

The NPI number for Michael Riordan is 1508833278. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is Michael Riordan located?

Michael Riordan practices at 101 E Wood St, Spartanburg, SC 29303. The listed phone number is (864) 560-6654.

What is Michael Riordan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Michael Riordan enrolled in Medicare?

Yes. Michael 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.

What insurance does Michael Riordan accept?

Health plans from First Choice Next, Molina Healthcare and UnitedHealthcare list Michael Riordan 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.

Is Michael Riordan affiliated with any hospitals?

According to CMS data, Michael Riordan is affiliated with Spartanburg Medical Center and Cherokee Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Riordan was last updated on May 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.