Mark Brown, M.D.
NPI 1811067234 · Anesthesiology Physician · Menlo Park, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Brown, M.D. is a Anesthesiology Physician provider in Menlo Park, CA (NPI 1811067234).
Provider details
- NPI number
- 1811067234
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G81017 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
86 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 23 | $164 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 14 | $356 |
| Anesthesia for Removal of Prostate Including Use of an Endoscope00914 | 14 | $251 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 13 | $172 |
| Anesthesia for Extensive Surgery on Spine00670 | 11 | $802 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 11 | $341 |
Typical Medicare-allowed amounts for these services range $164–$802 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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
Registry dates
- Enumerated
- 2006-11-09
- Last updated
- 2014-08-21
Frequently asked questions
- What is Mark Brown's NPI number?
- Mark Brown's National Provider Identifier (NPI) is 1811067234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brown's specialty?
- Mark Brown is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Brown located?
- Mark Brown's practice location on file with NPPES is 1422 El Camino Real, Menlo Park, CA 94025-4110.
- What is Mark Brown's phone number?
- The practice phone number listed in the NPPES registry for Mark Brown is (650) 903-9500.
- Does Mark Brown accept Medicare?
- Mark Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Brown's NPI active?
- Yes — Mark Brown's NPI (1811067234) is active in the NPPES registry as of the last update on 2014-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.