January Tiu, FNP-C
Family Nurse Practitioner · Lancaster, CA
January Tiu, FNP-C is a family nurse practitioner with a practice address in Lancaster, California, and NPI 1427483452, issued on Sep 10, 2013. Check the license (California 22995, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- January Tiu
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 22995 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43322 Gingham Ave, Lancaster, CA 93535
- Phone
- (661) 874-4050
- Enumerated
- Sep 10, 2013
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140626001011); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 43322 Gingham Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shalonte Allen-Carrasquillo, FNPFamily Nurse Practitioner1013615186
- Florcita Alvarez-Galoosian, MDNephrology Physician1225134885
- Monalisha BajracharyaFamily Nurse Practitioner1164188330
- Araceli Cabalum, NPFamily Nurse Practitioner1689130718
- Kathlyn Mae De Los ReyesFamily Nurse Practitioner1730646456
- Therese Fonseca, FNPFamily Nurse Practitioner1902629348
Verify January Tiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 22995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family nurse practitioner in 2024
287 Medicare Part D claims for 186 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Meloxicam29 claims
- Triamcinolone Acetonide24 claims
- Doxycycline Monohydrate15 claims
- Cefadroxil12 claims
- Prednisone11 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: $129.72
1 payment: food and beverage; the largest payer was Galderma Laboratories, L.P. 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
- Permanente Medical Group IncSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
January Tiu among 16,966 family nurse practitioner records in California
January Tiu, FNP-C 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 2013, is newer than 24% of them.
- NPI issued2013 · 24% of these records are older, 73% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2012 · median 2019 among the 6,793 with a school on file
- Record last updated2021 · 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).
89 family nurse practitioner records list a practice address in Lancaster
They are 89 of the 4,273 NPPES records with a practice address in Lancaster, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Lancaster → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Monalisha BajracharyaLancaster, CA 935351164188330
- Araceli Cabalum, NPLancaster, CA 935351689130718
- Christa Davison, FNPLancaster, CA 935351285289975
- Kathlyn Mae De Los ReyesLancaster, CA 935351730646456
- Marie Kristin Frial, NP-CLancaster, CA 935351255997045
- Carmen Garcia, FNPLancaster, CA 935351821355116
- Maria Martinez, NURSE PRACTITIONERLancaster, CA 935351538749486
- June Mwangi, NPLancaster, CA 935351497360184
Common questions
What is January Tiu, FNP-C's NPI number?
January Tiu, FNP-C's National Provider Identifier (NPI) is 1427483452, issued on Sep 10, 2013. An NPI identifies a provider in billing; it is not a license.
Where is January Tiu, FNP-C located?
The NPPES record lists a practice address at 43322 Gingham Ave, Lancaster, CA, 93535. Phone: (661) 874-4050. Providers update this record themselves, so call before visiting.
How can I verify January Tiu, FNP-C's license?
NPPES lists California license number 22995, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does January Tiu, FNP-C prescribe under Medicare Part D?
In 2024, January Tiu, FNP-C had 287 Medicare Part D claims for 186 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.