MR. MARC DANIEL OH FNP-C, RN
NPI 1235847625
Nurse Practitioner - Family in Castaic, CA

Active since November 14, 2022PECOS Enrolled
31541 ROCCA DR, CASTAIC, CA 91384(661) 207-1326 Get Directions Write a Review

NPPES record last updated: May 8, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 8, 2023, Dec 31, 2022, Nov 14, 2022 (3 updates tracked since 2022).

About Mr. Marc Daniel Oh Fnp-c, Rn NPPES

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

MR. MARC DANIEL OH FNP-C, RN (NPI 1235847625) is an individual family provider in Castaic, California, licensed in California (95023436) and active in the NPI registry since November 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235847625
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. MARC DANIEL OHCredential: FNP-C, RN
Location Address31541 ROCCA DRCastaic, CA 91384-2598
Mailing Address31541 Rocca DrCastaic, CA 91384-2598 · (661) 207-1326
Sole ProprietorYes
Enumeration DateNovember 14, 2022
Last NPPES UpdateMay 8, 20233 updates tracked since enumeration
NPPES CertifiedMay 8, 2023
NPI 1235847625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · 95023436
Also ListedRegistered Nurse · General PracticeTaxonomy 163WG0000X · License 95208278 (CA)
31541 ROCCA DR, Castaic, CA 91384

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Marc Daniel Oh Fnp-c, Rn 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 91384 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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

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

Nurse Practitioner (Family)
31541 ROCCA DR
CASTAIC, CA 91384

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 Marc Oh's NPI number?

The NPI number for Marc Oh is 1235847625. It was assigned to this individual provider in the NPPES registry on November 14, 2022.

Where is Marc Oh located?

Marc Oh practices at 31541 Rocca Dr, Castaic, CA 91384. The listed phone number is (661) 207-1326.

What is Marc Oh's specialty?

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

Is Marc Oh enrolled in Medicare?

Yes. Marc Oh is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marc Oh was last updated on May 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.