Liza Ashbrook, M.D.
NPI 1912297433 · Sleep Medicine (Psychiatry & Neurology) Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liza Ashbrook, M.D. is a Sleep Medicine (Psychiatry & Neurology) Physician provider in San Francisco, CA (NPI 1912297433).
Provider details
- NPI number
- 1912297433
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A124588 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
138 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 40 | $161 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 28 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $181 |
Typical Medicare-allowed amounts for these services range $109–$181 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 91 | 13 |
| Lemborexantbrand: Dayvigo | 48 | 11 |
| Trazodone Hcl | 48 | — |
| Modafinil | 41 | — |
| Suvorexantbrand: Belsomra | 30 | — |
| Zaleplon | 28 | — |
| Gabapentin | 26 | — |
Practice location
Mailing address
Additional practice locations (1)
- 4150 Clement StSan Francisco, CA 94121-1563Phone: (415) 221-4810
Registry dates
- Enumerated
- 2011-04-18
- Last updated
- 2026-05-28
- Certified
- 2026-05-28
Frequently asked questions
- What is Liza Ashbrook's NPI number?
- Liza Ashbrook's National Provider Identifier (NPI) is 1912297433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liza Ashbrook's specialty?
- Liza Ashbrook is listed in the NPPES registry with a primary specialty of Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Liza Ashbrook located?
- Liza Ashbrook's practice location on file with NPPES is 1651 4th St Ste 112, San Francisco, CA 94158-2324.
- What is Liza Ashbrook's phone number?
- The practice phone number listed in the NPPES registry for Liza Ashbrook is (415) 353-2273.
- Does Liza Ashbrook accept Medicare?
- Liza Ashbrook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liza Ashbrook's NPI active?
- Yes — Liza Ashbrook's NPI (1912297433) is active in the NPPES registry as of the last update on 2026-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.