DR. ALEXA HALL MD
NPI 1366970287
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since May 23, 2017PECOS EnrolledAccepts Medicare Assignment
100 PINE ST STE 1250, SAN FRANCISCO, CA 94111(833) 351-8255 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 1, 2025, Nov 3, 2020, Jul 28, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Alexa Hall Md NPPES

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

DR. ALEXA HALL MD (NPI 1366970287) is an individual psychiatry provider in San Francisco, California, licensed in California (A171963) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2018).

NPPES Registry Identity

NPI1366970287
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ALEXA HALLCredential: MD
Location Address100 PINE ST STE 1250San Francisco, CA 94111-5235
Mailing AddressPo Box 24449New York, NY 10087-0589 · (833) 351-8255
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2018
Enumeration DateMay 23, 2017
Last NPPES UpdateDecember 1, 20254 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1366970287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A171963
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 STE 1250, San Francisco, CA 94111

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

Dr. Alexa Hall Md 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 ID3870070592
PECOS Enrollment IDI20260123000495
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

2

Medicare enrollment records show Alexa Hall reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
100 PINE ST STE 1250
San Francisco, CA 94111
  • Reassigned Medicare billing, California enrollment
  • 98 clinicians in this Medicare group
Psychiatry
1100 W STEWART DR, ER DEPARTMENT
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 31 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.

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 20

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

Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Addiction Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111
Psychiatry & Neurology (Psychiatry)
100 PINE ST STE 1250
SAN FRANCISCO, CA 94111

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 Alexa Hall's NPI number?

The NPI number for Alexa Hall is 1366970287. It was assigned to this individual provider in the NPPES registry on May 23, 2017.

Where is Alexa Hall located?

Alexa Hall practices at 100 Pine St Ste 1250, San Francisco, CA 94111. The listed phone number is (833) 351-8255.

What is Alexa Hall's specialty?

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

Is Alexa Hall enrolled in Medicare?

Yes. Alexa Hall 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 Alexa Hall's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexa Hall reassigns Medicare benefits to 2 organizations: Mccd Ca Psychiatry Services PC (San Francisco, CA) and Oc Progressive Recovery Inc (Orange, 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 Alexa Hall'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 Alexa Hall was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.