DR. MARY MAN YEE POON PSY.D.
NPI 1871971937
Psychologist - Clinical in San Francisco, CA

Q: What is Mary Poon's NPI number?

The NPI number for Mary Poon is 1871971937. It was assigned to this individual provider in the NPPES registry on May 9, 2015.

Q: What is Mary Poon's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Mary Poon was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 09, 2015PECOS Enrolled

1235 MISSION ST FL 2, SAN FRANCISCO, CA 94103(415) 558-1320 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Mary Man Yee Poon Psy.d. NPPES

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

DR. MARY MAN YEE POON PSY.D. (NPI 1871971937) is an individual clinical provider in San Francisco, California, licensed in California (27220) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871971937

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. MARY MAN YEE POONCredential: PSY.D.

Location Address1235 MISSION ST FL 2San Francisco, CA 94103-2705

Mailing Address639 14th AveSan Francisco, CA 94118-3502 · (415) 800-0699

Phone(415) 558-1320

Sole ProprietorYes

Enumeration DateMay 9, 2015

Last NPPES UpdateFebruary 11, 2022

✔ NPI 1871971937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · 27220

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

1235 MISSION ST FL 2, San Francisco, CA 94103

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Man Yee Poon Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mary Poon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

1.6 mi

Internal Medicine

2238 GEARY
San Francisco, CA 94116

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1841373800 (415) 833-2200

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94103 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

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

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 16

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

JOE HWEE

Counselor (Mental Health)