Lucretia Sonderer Maas, FNP
Family Nurse Practitioner · West Sacramento, CA
Lucretia Sonderer Maas, FNP is a family nurse practitioner with a practice address in West Sacramento, California, and NPI 1891943502, issued on Sep 5, 2008. Check the license (California 18322, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lucretia Sonderer Maas
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 18322 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Jefferson Blvd Ste B180, West Sacramento, CA 95605
- Phone
- (530) 753-3498
- Enumerated
- Sep 5, 2008
- Record last updated
- Mar 7, 2023
- Fax
- (530) 758-2109
- Medicare enrollment
- Enrolled (PECOS I20091203000344); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 500 Jefferson Blvd Ste B180
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kenneth ColenzoAddiction (Substance Use Disorder) Counselor1760661037
- James Dodge, D.O.Family Medicine Physician1821444183
- Sara Gavin, MFTIMarriage & Family Therapist1699954966
- Tanvi Ghonasgi, MDInternal Medicine Physician1487217568
Verify Lucretia Sonderer Maas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 18322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family nurse practitioner in 2024
193 Medicare Part D claims for 69 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium11 claims
- Lisinopril11 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: $241.79
2 payments; by number, the most common kind was food and beverage; the largest payer was Alnylam Pharmaceuticals Inc. The 99,489 providers of this specialty with any payment received $650.95 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
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lucretia Sonderer Maas among 16,966 family nurse practitioner records in California
Lucretia Sonderer Maas, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 85% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2008 · median 2019 among the 6,793 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family nurse practitioner records list a practice address in West Sacramento
They are 22 of the 655 NPPES records with a practice address in West Sacramento, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in West Sacramento → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Shannon Baker, FNPWest Sacramento, CA 956051922708338
- Valentina Garcia, FNPWest Sacramento, CA 956051568190700
- Ming Looi, NPWest Sacramento, CA 956051013068733
- Michael SweeneyWest Sacramento, CA 956051790296556
- Kimberly Warden, NPWest Sacramento, CA 956051437238953
- Alice Gentzler Genung, NPSanta Rosa, CA 956041750499018
- Leonard Alderette, FNP-CAuburn, CA 956031013789106
- Yazmin Andresen, FNPAuburn, CA 956031912447939
Common questions
What is Lucretia Sonderer Maas, FNP's NPI number?
Lucretia Sonderer Maas, FNP's National Provider Identifier (NPI) is 1891943502, issued on Sep 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lucretia Sonderer Maas, FNP located?
The NPPES record lists a practice address at 500 Jefferson Blvd Ste B180, West Sacramento, CA, 95605. Phone: (530) 753-3498. Providers update this record themselves, so call before visiting.
How can I verify Lucretia Sonderer Maas, FNP's license?
NPPES lists California license number 18322, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lucretia Sonderer Maas, FNP prescribe under Medicare Part D?
In 2024, Lucretia Sonderer Maas, FNP had 193 Medicare Part D claims for 69 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.