Florence Wairimu Thomsen, NP
Family Nurse Practitioner · Merced, CA
Florence Wairimu Thomsen, NP is a family nurse practitioner with a practice address in Merced, California, and NPI 1942819628, issued on Jul 28, 2020. Check the license (California NP95014949, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Florence Wairimu Thomsen
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- NP95014949 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3144 N G St. 125 Pmb 331, Merced, CA 95340
- Phone
- (209) 383-3990
- Enumerated
- Jul 28, 2020
- Record last updated
- May 23, 2023
- Fax
- (209) 383-2082
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Verify Florence Wairimu Thomsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95014949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average family nurse practitioner in 2024
311 Medicare Part D claims for 87 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium18 claims
- Azithromycin16 claims
- Metformin Hcl16 claims
- Levothyroxine Sodium13 claims
- Lisinopril13 claims
- Ozempic13 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: $374.74
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Florence Wairimu Thomsen among 16,966 family nurse practitioner records in California
Florence Wairimu Thomsen, NP 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 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- 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).
77 family nurse practitioner records list a practice address in Merced
They are 77 of the 2,836 NPPES records with a practice address in Merced, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Merced → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Robin Arguelles, NPMerced, CA 953401699828913
- Gina Broussard, FNPMerced, CA 953401023564812
- Kristen Fortin, FNP-BCMerced, CA 953401487018784
- Eunice Hall, FNP-CMerced, CA 953401518154277
- Mary Hintenach, FNPMerced, CA 953401023145679
- Prakriti Lal-Navarro, NPMerced, CA 953401467808758
- Deborah Maddox, FNPMerced, CA 953401194832444
- David Norris, FNPMerced, CA 953401366731705
Common questions
What is Florence Wairimu Thomsen, NP's NPI number?
Florence Wairimu Thomsen, NP's National Provider Identifier (NPI) is 1942819628, issued on Jul 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Florence Wairimu Thomsen, NP located?
The NPPES record lists a practice address at 3144 N G St. 125 Pmb 331, Merced, CA, 95340. Phone: (209) 383-3990. Providers update this record themselves, so call before visiting.
How can I verify Florence Wairimu Thomsen, NP's license?
NPPES lists California license number NP95014949, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Florence Wairimu Thomsen, NP prescribe under Medicare Part D?
In 2024, Florence Wairimu Thomsen, NP had 311 Medicare Part D claims for 87 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.