Jeffrey Marcus, MD
NPI 1184815656 · Critical Care Medicine (Internal Medicine) Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Marcus, MD is a Critical Care Medicine (Internal Medicine) Physician provider in San Jose, CA (NPI 1184815656).
Provider details
- NPI number
- 1184815656
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 245566 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
628 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 324 | $232 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 240 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 32 | $89 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $146 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 15 | $148 |
Typical Medicare-allowed amounts for these services range $89–$232 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 70 | 15 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 45 | 14 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 33 | — |
| Prednisone | 31 | 12 |
| Montelukast Sodium | 23 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$174 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-08
- Last updated
- 2024-05-22
- Certified
- 2024-05-22
Frequently asked questions
- What is Jeffrey Marcus's NPI number?
- Jeffrey Marcus's National Provider Identifier (NPI) is 1184815656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Marcus's specialty?
- Jeffrey Marcus is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Marcus located?
- Jeffrey Marcus's practice location on file with NPPES is 2425 Samaritan Dr, San Jose, CA 95124-3908.
- What is Jeffrey Marcus's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Marcus is (408) 879-5963.
- Does Jeffrey Marcus accept Medicare?
- Jeffrey Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Marcus's NPI active?
- Yes — Jeffrey Marcus's NPI (1184815656) is active in the NPPES registry as of the last update on 2024-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.