Mary-Louise Ferris, M.D.
NPI 1700931904 · Family Medicine Physician · Burlingame, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary-Louise Ferris, M.D. is a Family Medicine Physician provider in Burlingame, CA (NPI 1700931904).
Provider details
- NPI number
- 1700931904
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A70081 (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
297 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 | 105 | $110 |
| Automated Urinalysis Test81003 | 39 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $153 |
| Detection Test By Multiplex Amplified Probe Technique for Severe Acute Respiratory Syndrome Coronavirus 2 (sars-Cov-2) (covid-19), Influenza Virus Types a and B, and Respiratory Syncytial Virus87637 | 24 | $140 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 23 | $133 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 72 | 47 |
| Amlodipine Besylate | 38 | 21 |
| Metformin Hclbrand: Metformin Hcl Er | 32 | 17 |
| Levothyroxine Sodium | 32 | 16 |
| Losartan Potassium | 31 | 15 |
| Lisinopril | 27 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-25
- Last updated
- 2016-09-20
Frequently asked questions
- What is Mary-Louise Ferris's NPI number?
- Mary-Louise Ferris's National Provider Identifier (NPI) is 1700931904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Louise Ferris's specialty?
- Mary-Louise Ferris is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary-Louise Ferris located?
- Mary-Louise Ferris's practice location on file with NPPES is 1720 El Camino Real, Burlingame, CA 94010-3224.
- What is Mary-Louise Ferris's phone number?
- The practice phone number listed in the NPPES registry for Mary-Louise Ferris is (650) 259-5827.
- Does Mary-Louise Ferris accept Medicare?
- Mary-Louise Ferris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary-Louise Ferris's NPI active?
- Yes — Mary-Louise Ferris's NPI (1700931904) is active in the NPPES registry as of the last update on 2016-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.