Michael Chen, MD
NPI 1578996112 · Anesthesiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chen, MD is a Anesthesiology Physician provider in Stanford, CA (NPI 1578996112).
Provider details
- NPI number
- 1578996112
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A151271 (CA)
Specialties & taxonomies
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
305 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 | 141 | $233 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 60 | $133 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 39 | $47 |
| Anesthesia for Electroshock Therapy00104 | 23 | $116 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 15 | $90 |
| Anesthesia for Other Procedure on Upper Front Abdomen00700 | 14 | $274 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,416 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
Additional practice locations (1)
- 300 Pasteur DrLane 154Stanford, CA 94305-5133Phone: (650) 723-6661Fax: (650) 498-6205
Registry dates
- Enumerated
- 2013-08-19
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Michael Chen's NPI number?
- Michael Chen's National Provider Identifier (NPI) is 1578996112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chen's specialty?
- Michael Chen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chen located?
- Michael Chen's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Michael Chen's phone number?
- The practice phone number listed in the NPPES registry for Michael Chen is (650) 723-4000.
- Does Michael Chen accept Medicare?
- Michael Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chen's NPI active?
- Yes — Michael Chen's NPI (1578996112) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.