Esther Brooking, PA
NPI 1285057174 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esther Brooking, PA is a Physician Assistant provider in San Francisco, CA (NPI 1285057174).
Provider details
- NPI number
- 1285057174
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA166403 (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
28 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $93 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 12 | $9 |
Typical Medicare-allowed amounts for these services range $9–$93 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 110 Sutter St Fl 6San Francisco, CA 94104-4020Phone: (415) 291-0480Fax: (415) 291-0489
Registry dates
- Enumerated
- 2014-01-28
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Esther Brooking's NPI number?
- Esther Brooking's National Provider Identifier (NPI) is 1285057174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Brooking's specialty?
- Esther Brooking is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Esther Brooking located?
- Esther Brooking's practice location on file with NPPES is 2175 Market St, San Francisco, CA 94114-1474.
- What is Esther Brooking's phone number?
- The practice phone number listed in the NPPES registry for Esther Brooking is (888) 663-6331.
- Does Esther Brooking accept Medicare?
- Esther Brooking is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esther Brooking's NPI active?
- Yes — Esther Brooking's NPI (1285057174) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.