Andrew J Lechner, M.D., PH.D.
Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease (CMS) · San Francisco, CA
At a glance
400 Parnassus Ave Fl 6, San Francisco, CA 94143-2202
NPPES record updated Jun 12, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
400 Parnassus Ave Fl 6 Room A6114San Francisco, CA 94143-2202
Additional reported practice locations
1001 Potrero AveSan Francisco, CA 941103518
Phone: 4154761529 4150 Clement St
San Francisco, CA 941211563
Phone: 4154761529 1600 Divisadero St
San Francisco, CA 941433010
Phone: 4154761529 505 Parnassus Ave Rm M-1480
San Francisco, CA 941432204
Phone: 4154761529
Education & affiliations
- Medical / professional school
- University Of California, San Francisco School Of Medicine
- Graduation year
- 2019
- CMS specialties
- Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease
Practice groups
Reported hospital affiliations
- Ucsf Medical Center San Francisco, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease (CMS)
- Taxonomy code
- 207RP1001X
- Enumeration date
- Apr 4, 2019
- Record updated
- Jun 12, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D., PH.D.
Reported taxonomies and licenses
207R00000X
License reported: A178765 CA
390200000X
207RP1001X · Primary
License reported: A178765 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
400 Parnassus Ave Fl 6Room A6114
San Francisco, CA 94143-2202
- Phone
- (415) 353-2961
Mailing address
400 PARNASSUS AVE FL 6ROOM A6114
SAN FRANCISCO, CA 941432202
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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