Katherine Roller, M.D.
NPI 1093755563 · Family Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Roller, M.D. is a Family Medicine Physician provider in Walnut Creek, CA (NPI 1093755563).
Provider details
- NPI number
- 1093755563
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A62718 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 89 | 35 |
| Metformin Hcl | 52 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 49 | — |
| Amlodipine Besylate | 45 | 17 |
| Losartan Potassium | 45 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 38 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2006-06-06
- Last updated
- 2012-06-21
Frequently asked questions
- What is Katherine Roller's NPI number?
- Katherine Roller's National Provider Identifier (NPI) is 1093755563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Roller's specialty?
- Katherine Roller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Roller located?
- Katherine Roller's practice location on file with NPPES is 1455 Montego, Walnut Creek, CA 94598-2990.
- What is Katherine Roller's phone number?
- The practice phone number listed in the NPPES registry for Katherine Roller is (925) 946-1711.
- Does Katherine Roller accept Medicare?
- Katherine Roller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Roller's NPI active?
- Yes — Katherine Roller's NPI (1093755563) is active in the NPPES registry as of the last update on 2012-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.