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NICHOLAS SCOTT RIEKEN FNP
NPI 1306554274
Nurse Practitioner - Family in Union City, CA

Active since November 09, 2022PECOS Enrolled
33255 9TH ST., UNION CITY, CA 94587(818) 378-2675 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 27, 2026, Jan 15, 2023, Nov 9, 2022 (3 updates tracked since 2022).

About Nicholas Scott Rieken Fnp NPPES

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

NICHOLAS SCOTT RIEKEN FNP (NPI 1306554274) is an individual family provider in Union City, California, licensed in California (95022293) and active in the NPI registry since November 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Union City.

NPPES Registry Identity

NPI1306554274
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameNICHOLAS SCOTT RIEKENCredential: FNP
Location Address33255 9TH ST.Union City, CA 94587
Mailing Address33255 9th StUnion City, CA 94587-2137 · (510) 471-5880
Phone(818) 378-2675
Sole ProprietorYes
Enumeration DateNovember 9, 2022
Last NPPES UpdateApril 27, 20263 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1306554274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95022293
33255 9TH ST., Union City, CA 94587
Open in Google Maps ↗

Secondary Practice Location 1

Location 11800 H St Rm 80Union City, CA 94587-3321 · Phone (510) 471-5880

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Scott Rieken Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94587 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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 Nicholas Rieken's NPI number?

The NPI number for Nicholas Rieken is 1306554274. It was assigned to this individual provider in the NPPES registry on November 9, 2022.

Where is Nicholas Rieken located?

Nicholas Rieken practices at 33255 9th St., Union City, CA 94587. The listed phone number is (818) 378-2675.

What is Nicholas Rieken's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Nicholas Rieken enrolled in Medicare?

Yes. Nicholas Rieken is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nicholas Rieken was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.