1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Marriage Family Therapist
  6. NPI Profile

MARK HIRSCHFIELD MFT
NPI 1033451737
Marriage & Family Therapist in San Francisco, CA

Active since March 20, 2013Opted out of Medicare · through Jan 1, 2028
1996 UNION ST, SAN FRANCISCO, CA 94123(415) 922-4444(415) 820-1545 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Hirschfield Mft NPPES

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

MARK HIRSCHFIELD MFT (NPI 1033451737) is an individual marriage & family therapist in San Francisco, California, licensed in California (MFC39550) and active in the NPI registry since March 2013. He has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1033451737
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMARK HIRSCHFIELDCredential: MFT
Location Address1996 UNION STSan Francisco, CA 94123-4230
Mailing Address999 Sutter StSan Francisco, CA 94109-6023 · (415) 922-4444
Phone(415) 922-4444
Fax(415) 820-1545
Sole ProprietorYes
Enumeration DateMarch 20, 2013
Last NPPES UpdateFebruary 2, 2026
NPPES CertifiedFebruary 2, 2026
✔ NPI 1033451737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · MFC39550
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
1996 UNION ST, San Francisco, CA 94123
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mark Hirschfield Mft has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

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. CHARISSE NASH AMFT., M.A., B.S.
Marriage & Family Therapist
1996 UNION ST
SAN FRANCISCO, CA 94123
San Francisco County (415) 595-2551
SAN FRANCISCO NATUROPATHIC & ACUPUNCTURE MEDICINE, INC.
Naturopath
1996 UNION ST, SUITE 300
SAN FRANCISCO, CA 94123
San Francisco County (415) 441-5659
FRANCIS MARLON SUAREZ BUGARIN L.AC.
Acupuncturist
1996 UNION ST
SAN FRANCISCO, CA 94123
San Francisco County (415) 441-5659
ALBERT L CORTEZ CMT
Massage Therapist
1996 UNION ST, SUITE 300
SAN FRANCISCO, CA 94123
San Francisco County (415) 441-5659

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 Mark Hirschfield's NPI number?

The NPI number for Mark Hirschfield is 1033451737. It was assigned to this individual provider in the NPPES registry on March 20, 2013.

Where is Mark Hirschfield located?

Mark Hirschfield practices at 1996 Union St, San Francisco, CA 94123. The listed phone number is (415) 922-4444.

What is Mark Hirschfield's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Mark Hirschfield enrolled in Medicare?

No. Mark Hirschfield has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mark Hirschfield was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.