LENI NGOC TRAN PHD
NPI 1639697758
Psychologist in San Francisco, CA

Active since September 08, 2017PECOS EnrolledAccepts Medicare Assignment
675 18TH ST, SAN FRANCISCO, CA 94143(415) 476-7000 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 19, 2026, Apr 12, 2026, Oct 10, 2025 and 1 more (4 updates tracked since 2023).

About Leni Ngoc Tran Phd NPPES

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

LENI NGOC TRAN PHD (NPI 1639697758) is an individual psychologist in San Francisco, California, licensed in California (34485) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1639697758
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameLENI NGOC TRANCredential: PHD
Location Address675 18TH STSan Francisco, CA 94143-4200
Mailing Address1930 Market StSan Francisco, CA 94102-6228 · (415) 476-1242
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 8, 2017
Last NPPES UpdateAugust 19, 20264 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1639697758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in CA · 34485
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
675 18TH ST, San Francisco, CA 94143

Other Names 1

Former Name (1)Hien Ngoc Tran

Secondary Practice Locations 2

Location 11930 Market StSan Francisco, CA 94102-6228 · Phone (415) 476-1242
Location 21714 Franklin St # 226Oakland, CA 94612-3488 · Phone (415) 747-9868

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Leni Ngoc Tran Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062869829
PECOS Enrollment IDI20231115003865
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 Reassignments

3

Medicare enrollment records show Leni Tran reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical
995 POTRERO AVE BLDG 80 WARD 82
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 119 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group

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.

Student in an Organized Health Care Education/Training Program
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
Social Worker
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
675 18TH ST
SAN FRANCISCO, CA 94143
Psychologist (Clinical Child & Adolescent)
675 18TH ST
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
675 18TH ST
SAN FRANCISCO, CA 94143

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 Leni Tran's NPI number?

The NPI number for Leni Tran is 1639697758. It was assigned to this individual provider in the NPPES registry on September 8, 2017. The provider is also known as Hien Ngoc Tran.

Where is Leni Tran located?

Leni Tran practices at 675 18th St, San Francisco, CA 94143. The listed phone number is (415) 476-7000.

What is Leni Tran's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Leni Tran enrolled in Medicare?

Yes. Leni Tran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Leni Tran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leni Tran reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each 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 Leni Tran'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 Leni Tran was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.