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JOHN BEST
NPI 1871955476
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since March 23, 2016PECOS EnrolledAccepts Medicare Assignment
450 6TH AVE FL 3, SAN FRANCISCO, CA 94118(415) 833-4555(415) 833-3625 Get Directions Write a Review

NPPES record last updated: August 7, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 7, 2024, Dec 8, 2022, Jun 24, 2020 and 1 more (4 updates tracked since 2016).

About John Best NPPES

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

JOHN BEST (NPI 1871955476) is an individual neurology provider in San Francisco, California, licensed in California (A168313) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2016).

NPPES Registry Identity

NPI1871955476
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameJOHN BEST
Location Address450 6TH AVE FL 3San Francisco, CA 94118-3010
Mailing Address450 6th Ave Fl 3San Francisco, CA 94118-3010 · (415) 833-4555 · Fax (415) 833-3625
Phone(415) 833-4555
Fax(415) 833-3625
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2016
Enumeration DateMarch 23, 2016
Last NPPES UpdateAugust 7, 20244 updates tracked since enumeration
NPPES CertifiedAugust 7, 2024
✔ NPI 1871955476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A168313
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
450 6TH AVE FL 3, San Francisco, CA 94118
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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 and accepts Medicare assignment

John Best 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 ID446673917
PECOS Enrollment IDI20200701001261
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 John Best reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Medical Group Business Services
1.2 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Of California San Francisco
1.2 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1164512851 (415) 476-1000
Permanente Medical Group Inc
1.3 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 94118 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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

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

WILBUR LEONG PHARMD
Pharmacist (Ambulatory Care)
450 6TH AVE FL 3
SAN FRANCISCO, CA 94118
San Francisco County (415) 833-3809

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 John Best's NPI number?

The NPI number for John Best is 1871955476. It was assigned to this individual provider in the NPPES registry on March 23, 2016.

Where is John Best located?

John Best practices at 450 6th Ave Fl 3, San Francisco, CA 94118. The listed phone number is (415) 833-4555.

What is John Best's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is John Best enrolled in Medicare?

Yes. John Best 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 John Best's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Best reassigns Medicare benefits to 3 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Permanente Medical Group Inc (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 John Best'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 John Best was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.