NICHOLAS JOHN MCCLELLAN DO
NPI 1427410737
Pediatrics - Pediatric Rheumatology in Marshfield, WI

Q: What is Nicholas Mcclellan's NPI number?

The NPI number for Nicholas Mcclellan is 1427410737. It was assigned to this individual provider in the NPPES registry on March 25, 2016.

Q: What is Nicholas Mcclellan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.

Active since March 25, 2016PECOS Enrolled

1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 24, 2026, Jul 25, 2024, Jul 7, 2021 and 4 more (7 updates tracked since 2016).

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About Nicholas John Mcclellan Do NPPES

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

NICHOLAS JOHN MCCLELLAN DO (NPI 1427410737) is an individual pediatric rheumatology provider in Marshfield, Wisconsin, licensed in Wisconsin (71985) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427410737

Entity TypeIndividualMale

Primary Taxonomy2080P0216X

Provider Legal NameNICHOLAS JOHN MCCLELLANCredential: DO

Location Address1000 N OAK AVEMarshfield, WI 54449-5703

Mailing Address1000 N Oak AveMarshfield, WI 54449-5702 · (715) 387-5511

Phone(715) 387-5511

Sole ProprietorNo

Enumeration DateMarch 25, 2016

Last NPPES UpdateMarch 24, 20267 updates tracked since enumeration

NPPES CertifiedMarch 24, 2026

✔ NPI 1427410737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0216X

Licenses✔ Licensed in WI · 71985✔ Licensed in MI · 5101026041

Definition

A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License 71985 (WI)

1000 N OAK AVE, Marshfield, WI 54449

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and more.Insurance ›

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 John Mcclellan Do 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.

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.

ALISON RAE SAMPSON D.O.

Obstetrics & Gynecology