Earl Andrew Balayan De Guzman, MD
Psychiatry · San Francisco, CA
At a glance
100 Pine St, San Francisco, CA 94111-5102
NPPES record updated Nov 4, 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
100 Pine St Suite 1250 (Private Office 3)San Francisco, CA 94111-5102
Additional reported practice locations
109 W 27Th St Rm 5SNew York, NY 100016208
Phone: 9176345311
Fax: 8888153583 3223 S Loop 289
Suite 600 (Private Office 630)
Lubbock, TX 794231337
Phone: 8333518255
Fax: 8888153583
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2012
- CMS specialties
- Psychiatry
Practice groups
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.
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
- Psychiatry
- Taxonomy code
- 2084P0800X
- Enumeration date
- Apr 25, 2013
- Record updated
- Nov 4, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2084P0800X · Primary
License reported: A132370 CA
2084P0800X
License reported: V9884 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
100 Pine StSuite 1250 (Private Office 3)
San Francisco, CA 94111-5102
- Phone
- (833) 351-8255
- Fax
- (888) 815-3583
Mailing address
109 W 27TH ST RM 5SNEW YORK, NY 100016208
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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