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

LILIANA FAY MFTI
NPI 1104273010
Counselor - Addiction (Substance Use Disorder) in San Francisco, CA

Active since May 20, 2016PECOS Enrolled
1111 MARKET ST, SAN FRANCISCO, CA 94103(415) 863-3883(415) 863-7343 Get Directions Write a Review

NPPES record last updated: May 23, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Liliana Fay Mfti NPPES

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

LILIANA FAY MFTI (NPI 1104273010) is an individual addiction (substance use disorder) provider in San Francisco, California and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1104273010
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameLILIANA FAYCredential: MFTI
Location Address1111 MARKET STSan Francisco, CA 94103-1513
Mailing Address1111 Market StSan Francisco, CA 94103-1513 · (415) 863-3883 · Fax (415) 863-7343
Phone(415) 863-3883
Fax(415) 863-7343
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateMay 20, 2016
Last NPPES UpdateMay 23, 2016
✔ NPI 1104273010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X
1111 MARKET ST, San Francisco, CA 94103
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Liliana Fay Mfti is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5890287411
PECOS Enrollment IDI20251121001526
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.

Medicare Billing Reassignment

Medicare enrollment records show Liliana Fay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Integrated Pain Management Medical Group, Inc.
23 mi
Pain Medicine
450 N WIGET LN
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 137 clinicians in this Medicare group
NPI 1922198779 (925) 691-9806

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

ERIN MAUREEN SMITH FNP
Nurse Practitioner (Family)
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
MARVA B AUSTIN
Specialist
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
KEIKO GRACE
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
KIMBERLY CHOW
Student in an Organized Health Care Education/Training Program
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
BARBARA KAY DARBY I
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
MR. DAVID M. VERGI
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3886
SIEFU T TSEGAY
Licensed Vocational Nurse
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (510) 712-3174
FLORINDA MARIE PAULO
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883

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 Liliana Fay's NPI number?

The NPI number for Liliana Fay is 1104273010. It was assigned to this individual provider in the NPPES registry on May 20, 2016.

Where is Liliana Fay located?

Liliana Fay practices at 1111 Market St, San Francisco, CA 94103. The listed phone number is (415) 863-3883.

What is Liliana Fay's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Liliana Fay enrolled in Medicare?

Yes. Liliana Fay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Liliana Fay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Liliana Fay reassigns Medicare benefits to Integrated Pain Management Medical Group, Inc. (Walnut Creek, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Liliana Fay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Liliana Fay was last updated on May 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.