Alex James Stark-Valdez, FNP
Family Nurse Practitioner · Florissant, MO
Alex James Stark-Valdez, FNP is a family nurse practitioner with a practice address in Florissant, Missouri, and NPI 1477161420, issued on Jul 15, 2020. Check the license (Missouri 2020011688, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alex James Stark-Valdez
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2020011688 MO
Self-reported in NPPES; status is on the state search - Practice location
- 272 Mayfair Plaza Shopping Ctr, Florissant, MO 63033
- Phone
- (314) 859-1234
- Enumerated
- Jul 15, 2020
- Record last updated
- Apr 18, 2025
- Fax
- (314) 859-1235
- Medicaid ID
- 420106651 MO
- Medicare enrollment
- Enrolled (PECOS I20220322002626); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 272 Mayfair Plaza Shopping Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Gowen, RNNephrology Registered Nurse1336897370
Verify Alex James Stark-Valdez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2020011688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average family nurse practitioner in 2024
761 Medicare Part D claims for 101 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Sevelamer Carbonate79 claims
- Carvedilol68 claims
- Amlodipine Besylate58 claims
- Hydralazine Hcl46 claims
- Losartan Potassium39 claims
- Midodrine Hcl31 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Washington UniversitySt Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alex James Stark-Valdez among 5,226 family nurse practitioner records in Missouri
Alex James Stark-Valdez, FNP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% 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 66% of them.
- NPI issued2020 · 66% of these records are older, 28% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2018 among the 3,339 with a school on file
- Record last updated2025 · 44% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family nurse practitioner records list a practice address in Florissant
They are 37 of the 1,326 NPPES records with a practice address in Florissant, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Florissant → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Delores Calmese, FNPFlorissant, MO 630331477708816
- Shayla Curtis, FNP-CFlorissant, MO 630331902413255
- Maggie Lewis, FNP-CFlorissant, MO 630331023433745
- Donna Naumann, FNPFlorissant, MO 630331538335831
- Dawn Patrick, FNPFlorissant, MO 630331609234871
- Nicole Phillips, FNPFlorissant, MO 630331023702701
- Aleksandr Shoykhet, FNP-CFlorissant, MO 630331407263494
- Jeanetta StomerFlorissant, MO 630331609319144
Common questions
What is Alex James Stark-Valdez, FNP's NPI number?
Alex James Stark-Valdez, FNP's National Provider Identifier (NPI) is 1477161420, issued on Jul 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alex James Stark-Valdez, FNP located?
The NPPES record lists a practice address at 272 Mayfair Plaza Shopping Ctr, Florissant, MO, 63033. Phone: (314) 859-1234. Providers update this record themselves, so call before visiting.
How can I verify Alex James Stark-Valdez, FNP's license?
NPPES lists Missouri license number 2020011688, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Alex James Stark-Valdez, FNP prescribe under Medicare Part D?
In 2024, Alex James Stark-Valdez, FNP had 761 Medicare Part D claims for 101 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Alex James Stark-Valdez, FNP's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.