Meghan Marmor, MD
NPI 1003253147 · Critical Care Medicine (Internal Medicine) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Meghan Marmor, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Stanford, CA (NPI 1003253147).
Provider details
- NPI number
- 1003253147
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A141347 (CA)
Specialties & taxonomies
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
13 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
963 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 | 173 | $232 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 94 | $10 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 87 | $10 |
| Test to Measure Expiratory Airflow and Volume94010 | 71 | $9 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 69 | $11 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 64 | $11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 81 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 74 | 28 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 67 | 15 |
| Tiotropium Bromidebrand: Spiriva Respimat | 38 | — |
| Rifampin | 35 | — |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 33 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,996 across 7 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
- 2013-05-30
- Last updated
- 2024-04-15
- Certified
- 2024-04-15
Frequently asked questions
- What is Meghan Marmor's NPI number?
- Meghan Marmor's National Provider Identifier (NPI) is 1003253147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Meghan Marmor's specialty?
- Meghan Marmor is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Meghan Marmor located?
- Meghan Marmor's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Meghan Marmor's phone number?
- The practice phone number listed in the NPPES registry for Meghan Marmor is (650) 723-4000.
- Does Meghan Marmor accept Medicare?
- Meghan Marmor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Meghan Marmor's NPI active?
- Yes — Meghan Marmor's NPI (1003253147) is active in the NPPES registry as of the last update on 2024-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.