Karen Sprague, N.P.
Nurse Practitioner · Dixon, CA
Karen Sprague, N.P. is a nurse practitioner with a practice address in Dixon, California, and NPI 1992887566, issued on Oct 20, 2006. Check the license (California 7448, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Sprague
- Credential
- N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 7448 CA
Self-reported in NPPES; status is on the state search - Practice location
- 131 W A St, Dixon, CA 95620
- Phone
- (707) 635-1600
- Enumerated
- Oct 20, 2006
- Record last updated
- Feb 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (707) 635-1641
- Medicare enrollment
- Enrolled (PECOS I20040622001681); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 131 W A St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanette Mann, ASWClinical Social Worker1528820362
- Kristin Sukeforth, NPFamily Nurse Practitioner1356233845
- Susan Torres, LCSWSocial Worker1265440879
- Weimin Xu, M.D.Family Medicine Physician1013129113
- Camille Ziomek, M.D,Family Medicine Physician1023196599
Verify Karen Sprague in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 7448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average nurse practitioner in 2024
1,994 Medicare Part D claims for 175 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium179 claims
- Metformin Hcl146 claims
- Omeprazole110 claims
- Losartan Potassium99 claims
- Amlodipine Besylate88 claims
- Levothyroxine Sodium76 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: $23.82
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 38,884 providers of this specialty with any payment received $791.64 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
- Community Medical Centers, Inc.Dixon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Sprague among 8,223 nurse practitioner records in California
Karen Sprague, N.P. is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1994 · median 2017 among the 3,425 with a school on file
- Record last updated2013 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 nurse practitioner record lists a practice address in Dixon
They are 1 of the 130 NPPES records with a practice address in Dixon, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Dixon → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Holly Chastain, RNCitrus Heights, CA 956211720930779
- Elissa Ku, NPCitrus Heights, CA 956211083126460
- Marissa Nunes, AGACNP-BCCitrus Heights, CA 956211700423936
- Catherine Stephens, NPCitrus Heights, CA 956211043317084
- Kenzi McCalisterEl Macero, CA 956181740970383
- Anitra Daniels, NURSE PRACTITIONERElk Grove, CA 956241194852095
- Sharon Demeter, NPDavis, CA 956161720005648
- Susan Gillespie, NPDavis, CA 956161235462086
Common questions
What is Karen Sprague, N.P.'s NPI number?
Karen Sprague, N.P.'s National Provider Identifier (NPI) is 1992887566, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Sprague, N.P. located?
The NPPES record lists a practice address at 131 W A St, Dixon, CA, 95620. Phone: (707) 635-1600. Providers update this record themselves, so call before visiting.
How can I verify Karen Sprague, N.P.'s license?
NPPES lists California license number 7448, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Sprague, N.P. prescribe under Medicare Part D?
In 2024, Karen Sprague, N.P. had 1,994 Medicare Part D claims for 175 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.