1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Psychiatry Neurology
  6. NPI Profile

EARL ANDREW BALAYAN DE GUZMAN MD
NPI 1821432378
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since April 25, 2013PECOS Enrolled
100 PINE ST, SUITE 1250 (PRIVATE OFFICE 3), SAN FRANCISCO, CA 94111(833) 351-8255(888) 815-3583 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 4, 2025, Jan 5, 2022, Dec 31, 2021 and 6 more (9 updates tracked since 2016).

About Earl Andrew Balayan De Guzman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EARL ANDREW BALAYAN DE GUZMAN MD (NPI 1821432378) is an individual psychiatry provider in San Francisco, California, licensed in California (A132370) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1821432378
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameEARL ANDREW BALAYAN DE GUZMANCredential: MD
Location Address100 PINE ST, SUITE 1250 (PRIVATE OFFICE 3)San Francisco, CA 94111-5102
Mailing Address109 W 27th St Rm 5sNew York, NY 10001-6208 · (833) 351-8255 · Fax (888) 815-3583
Phone(833) 351-8255
Fax(888) 815-3583
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 25, 2013
Last NPPES UpdateNovember 4, 20259 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1821432378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · A132370✔ Licensed in TX · V9884
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
100 PINE ST, San Francisco, CA 94111
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1109 W 27th St Rm 5SNew York, NY 10001-6208 · Phone (917) 634-5311 · Fax (888) 815-3583
Location 23223 S Loop 289, Suite 600 (Private Office 630)Lubbock, TX 79423-1337 · Phone (833) 351-8255 · Fax (888) 815-3583

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CHRISTUS Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Earl Andrew Balayan De Guzman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628358801
PECOS Enrollment IDI20161205001169
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JAIME REBECCA LOEBNER MSN, FPMHNP-BC, APRN
Nurse Practitioner (Psychiatric/Mental Health)
100 PINE ST
SAN FRANCISCO, CA 94111
San Francisco County (833) 351-8255
TIFFANY CHU MD
Psychiatry & Neurology (Psychiatry)
100 PINE ST
SAN FRANCISCO, CA 94111
San Francisco County (833) 351-8255
DR. SHANTALE M WILLIAMS-JULES MD
Psychiatry & Neurology (Psychiatry)
100 PINE ST
SAN FRANCISCO, CA 94111
San Francisco County (914) 382-6871
MR. CARROLL TAYLOR BROWN III PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
100 PINE ST
SAN FRANCISCO, CA 94111
San Francisco County (833) 351-8255

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Earl Andrew De Guzman's NPI number?

The NPI number for Earl Andrew De Guzman is 1821432378. It was assigned to this individual provider in the NPPES registry on April 25, 2013.

Where is Earl Andrew De Guzman located?

Earl Andrew De Guzman practices at 100 Pine St Suite 1250 (private Office 3), San Francisco, CA 94111. The listed phone number is (833) 351-8255.

What is Earl Andrew De Guzman's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Earl Andrew De Guzman enrolled in Medicare?

Yes. Earl Andrew De Guzman is registered in the Medicare PECOS enrollment system.

What insurance does Earl Andrew De Guzman accept?

Health plans from CHRISTUS Health Plan and UnitedHealthcare list Earl Andrew De Guzman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Earl Andrew De Guzman was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.