Katherine W. Roller, M.D.
Family Medicine Physician · Walnut Creek, CA
Katherine W. Roller, M.D. is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1093755563, issued on Jun 6, 2006. Check the license (California A62718, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine W. Roller
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A62718 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1455 Montego, Walnut Creek, CA 94598
- Phone
- (925) 946-1711
- Enumerated
- Jun 6, 2006
- Record last updated
- Jun 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (925) 946-1902
- Medicaid ID
- 00A627180 CA
- Medicare enrollment
- Enrolled (PECOS I20060927000155); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1995
- Entity
- Type 1 · individual
Also registered at 1455 Montego
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Boegel, M.D.Adult Medicine Physician1437277282
- Martin Braker, M.D.Internal Medicine Physician1922050095
- Michelle Minor, RN PNP MNPediatric Nurse Practitioner1669509501
- Daniel Paik, MDGynecologic Oncology Physician1962673046
- John Roberts, MDUrology Physician1861481004
Verify Katherine W. Roller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62718Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average family medicine physician in 2024
1,186 Medicare Part D claims for 129 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 111 claims were for opioids.
Most prescribed
- Atorvastatin Calcium89 claims
- Metformin Hcl52 claims
- Hydrocodone-Acetaminophen49 claims
- Amlodipine Besylate45 claims
- Losartan Potassium45 claims
- Albuterol Sulfate Hfa38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.21
1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northbay Health Medical FoundationFairfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
116 family medicine physician records list a practice address in Walnut Creek
They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.
All 116 in Walnut Creek → All 17,133 in California → Every provider in Walnut Creek →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Katherine W. Roller, M.D.'s NPI number?
Katherine W. Roller, M.D.'s National Provider Identifier (NPI) is 1093755563, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine W. Roller, M.D. located?
The NPPES record lists a practice address at 1455 Montego, Walnut Creek, CA, 94598. Phone: (925) 946-1711. Providers update this record themselves, so call before visiting.
How can I verify Katherine W. Roller, M.D.'s license?
NPPES lists California license number A62718, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine W. Roller, M.D. prescribe under Medicare Part D?
In 2024, Katherine W. Roller, M.D. had 1,186 Medicare Part D claims for 129 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.