Michael Chavarria, MD
NPI 1174183321 · Anesthesiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chavarria, MD is a Anesthesiology Physician provider in Stanford, CA (NPI 1174183321).
Provider details
- NPI number
- 1174183321
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351045624 (MI)
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
7 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
146 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 27 | $135 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 26 | $130 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 23 | $107 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 17 | $367 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 16 | $167 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 15 | $65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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 Dr Rm Hc 435Stanford, CA 94305-2200Phone: (650) 723-5948
Registry dates
- Enumerated
- 2019-06-19
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Michael Chavarria's NPI number?
- Michael Chavarria's National Provider Identifier (NPI) is 1174183321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chavarria's specialty?
- Michael Chavarria is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chavarria located?
- Michael Chavarria's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Michael Chavarria's phone number?
- The practice phone number listed in the NPPES registry for Michael Chavarria is (650) 723-4000.
- Does Michael Chavarria accept Medicare?
- Michael Chavarria is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chavarria's NPI active?
- Yes — Michael Chavarria's NPI (1174183321) 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.