DR. JAMES PAUL MARCIN MD, MPH
NPI 1245215557
Pediatrics - Pediatric Critical Care Medicine in Sacramento, CA

Q: What is James Marcin's NPI number?

The NPI number for James Marcin is 1245215557. It was assigned to this individual provider in the NPPES registry on December 8, 2005.

Q: What is James Marcin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Q: When was this NPI record last updated?

The NPPES record for James Marcin was last updated on July 13, 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.

Active since December 08, 2005PECOS Enrolled

2954 26TH ST, SACRAMENTO, CA 95818(916) 734-4726 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. James Paul Marcin Md, Mph NPPES

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

DR. JAMES PAUL MARCIN MD, MPH (NPI 1245215557) is an individual pediatric critical care medicine provider in Sacramento, California, licensed in California (G078797) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245215557

Entity TypeIndividualMale

Primary Taxonomy2080P0203X

Provider Legal NameDR. JAMES PAUL MARCINCredential: MD, MPH

Location Address2954 26TH STSacramento, CA 95818-3512

Mailing Address2954 26th StSacramento, CA 95818-3512 · (916) 734-4726

Phone(916) 734-4726

Sole ProprietorNo

Enumeration DateDecember 8, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1245215557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0203X

License✔ Licensed in CA · G078797

Definition

A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.

2954 26TH ST, Sacramento, CA 95818

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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 (PECOS)

Dr. James Paul Marcin Md, Mph 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.

Medicare Billing Reassignments

Medicare enrollment records show James Marcin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The Univ Of Ca

0.5 mi

Maternal & Fetal Medicine

4860 Y ST
Sacramento, CA 95817

Reassigned Medicare billing, California enrollment
2,570 clinicians in this Medicare group

NPI 1013906973 (916) 734-6930

Shriners Hospitals For Children

1.4 mi

Anesthesiology

2425 STOCKTON BLVD
Sacramento, CA 95817

Reassigned Medicare billing, California enrollment
105 clinicians in this Medicare group

NPI 1114415361 (916) 453-2000

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

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 James Marcin's NPI number?

The NPI number for James Marcin is 1245215557. It was assigned to this individual provider in the NPPES registry on December 8, 2005.

Where is James Marcin located?

James Marcin practices at 2954 26th St, Sacramento, CA 95818. The listed phone number is (916) 734-4726.

What is James Marcin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is James Marcin enrolled in Medicare?

Yes. James Marcin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Marcin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Marcin reassigns Medicare benefits to 2 organizations: Regents Of The Univ Of Ca (Sacramento, CA) and Shriners Hospitals For Children (Sacramento, CA). Each 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 James Marcin'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 James Marcin was last updated on July 13, 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.