JEFFREY DAVID MARCUS MD
NPI 1184815656
Internal Medicine - Critical Care Medicine in San Jose, CA
About Jeffrey David Marcus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY DAVID MARCUS MD (NPI 1184815656) is an individual critical care medicine provider in San Jose, California, licensed in California (C144902) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Miami, Lm Miller School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jeffrey David Marcus Md 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.
Medicare Billing Reassignments
6Medicare enrollment records show Jeffrey Marcus reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95124
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Redwood City, CA 94062
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
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.
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 Jeffrey Marcus's NPI number?
The NPI number for Jeffrey Marcus is 1184815656. It was assigned to this individual provider in the NPPES registry on August 8, 2007.
Where is Jeffrey Marcus located?
Jeffrey Marcus practices at 2425 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 879-5963.
What is Jeffrey Marcus's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jeffrey Marcus enrolled in Medicare?
Yes. Jeffrey Marcus 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.
Which organizations bill Medicare for Jeffrey Marcus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Marcus reassigns Medicare benefits to 6 organizations: Msalam M Sara MD Inc (San Jose, CA), Stanford Health Care (Stanford, CA), University Healthcare Alliance (Newark, CA), Mojdeh Talebian, M.D., Inc. (Redwood City, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA) and 1 more organization, listed in the Medicare section above. 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 Jeffrey Marcus'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 Jeffrey Marcus was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Jeffrey David Marcus, MD · NPI 1184815656
Critical Care Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since August 8, 2007.
## Identity
- **NPI:** 1184815656 (Entity type: Individual)
- **Enumerated:** August 8, 2007
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** C144902 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2425 SAMARITAN DR, San Jose, CA 95124-3908
- **Phone:** (408) 879-5963
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Msalam M Sara MD Inc (NPI 1386117794, San Jose, CA); Stanford Health Care (NPI 1437292927, Stanford, CA); University Healthcare Alliance (NPI 1760531198, Newark, CA); Mojdeh Talebian, M.D., Inc. (NPI 1578699112, Redwood City, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** May 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1184815656) · Data from the CMS NPPES public registry.