Catherine Davis, MD
NPI 1497748776 · Internal Medicine Physician · Santa Rosa, CA
Catherine Davis, MD is a Internal Medicine Physician provider in Santa Rosa, CA (NPI 1497748776).
Provider details
- NPI number
- 1497748776
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G70242 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
340 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 142 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 124 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $194 |
Typical Medicare-allowed amounts for these services range $36–$194 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 175 | 39 |
| Metformin Hclbrand: Metformin Hcl Er | 134 | 44 |
| Empagliflozinbrand: Jardiance | 109 | 35 |
| Metformin Hcl | 98 | 32 |
| Levothyroxine Sodium | 81 | 27 |
| Atorvastatin Calcium | 61 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$198 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2021-10-21
- Certified
- 2021-10-21
Frequently asked questions
- What is Catherine Davis's NPI number?
- Catherine Davis's National Provider Identifier (NPI) is 1497748776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Davis's specialty?
- Catherine Davis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Davis located?
- Catherine Davis's practice location on file with NPPES is 500 Doyle Park Dr, Santa Rosa, CA 95405-4559.
- What is Catherine Davis's phone number?
- The practice phone number listed in the NPPES registry for Catherine Davis is (707) 544-3411.
- Is Catherine Davis's NPI active?
- Yes — Catherine Davis's NPI (1497748776) is active in the NPPES registry as of the last update on 2021-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.