E. ALEXANDRA ATHOS BROWN M.D.
NPI 1356651681
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since October 20, 2010PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
1001 POTRERO AVE, SAN FRANCISCO, CA 94110(415) 206-3215 Get Directions Write a Review

NPPES record last updated: September 27, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About E. Alexandra Athos Brown M.d. NPPES

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

E. ALEXANDRA ATHOS BROWN M.D. (NPI 1356651681) is an individual neurology provider in San Francisco, California, licensed in California (A135432) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2010).

NPPES Registry Identity

NPI1356651681
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameE. ALEXANDRA ATHOS BROWNCredential: M.D.
Location Address1001 POTRERO AVESan Francisco, CA 94110-3518
Mailing Address1001 Potrero AveSan Francisco, CA 94110-3518 · (415) 206-3215
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2010
Enumeration DateOctober 20, 2010
Last NPPES UpdateSeptember 27, 2016
✔ NPI 1356651681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A135432
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.
1001 POTRERO AVE, San Francisco, CA 94110

Other Names 1

Other Name (5)Alexandra Athos Brown M.d.

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

E. Alexandra Athos Brown M.d. 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 ID4082927132
PECOS Enrollment IDI20150717001148
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

4

Medicare enrollment records show E. Alexandra Brown reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
1001 POTRERO AVE, BUILDING 5, WARD 1B
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
46 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.53
Promoting Interoperability100
Improvement Activities40
Cost68.01

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.

Registered Nurse
1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Counselor
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Nurse Practitioner (Family)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Clinical Medical Laboratory
1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110
Internal Medicine
1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110

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 E. Alexandra Brown's NPI number?

The NPI number for E. Alexandra Brown is 1356651681. It was assigned to this individual provider in the NPPES registry on October 20, 2010. The provider is also known as Alexandra Athos Brown M.D..

Where is E. Alexandra Brown located?

E. Alexandra Brown practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (415) 206-3215.

What is E. Alexandra Brown's specialty?

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

Is E. Alexandra Brown enrolled in Medicare?

Yes. E. Alexandra Brown 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 E. Alexandra Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), E. Alexandra Brown reassigns Medicare benefits to 4 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (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 E. Alexandra Brown'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 E. Alexandra Brown was last updated on September 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.