Kristen E. Flack, AGNP
Gerontology Nurse Practitioner · Modesto, CA
Kristen E. Flack, AGNP is a gerontology nurse practitioner with a practice address in Modesto, California, and NPI 1144746140, issued on Aug 21, 2017. Check the license (California NP95007308, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristen E. Flack
- Credential
- AGNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License numbers
- NP95007308 CA
RN95078988 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1540 Florida Ave, Modesto, CA 95350
- Phone
- (209) 238-4800
- Enumerated
- Aug 21, 2017
- Record last updated
- Sep 15, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (209) 238-4890
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
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Verify Kristen E. Flack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95007308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
27 Medicare Part D claims for 20 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D.
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.
Kristen E. Flack among 569 gerontology nurse practitioner records in California
Kristen E. Flack, AGNP is one of 569 gerontology nurse practitioner records with a practice address in California. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 46% of them.
- NPI issued2017 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2017 · 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 363LG0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in California
There are 569 gerontology nurse practitioner records in California.
All 569 in California → Every provider in Modesto → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- James Stalians, AGNPModesto, CA 953501720630197
- Maribeth Abedi, NURSE PRACTITIONERModesto, CA 953551992330625
- Josue Magana, RNModesto, CA 953551235892936
- Arlene Gabot, AGNPMerced, CA 953411548741515
- Mark Jason Granada, AGNPMerced, CA 953411386353761
- Rashilda Storm, MSN, AGPCNP-BCMerced, CA 953411033520820
- Carol Simpson, DNPNewman, CA 953601447746011
- Joanne McCartney, GNPOakdale, CA 953611043372691
Common questions
What is Kristen E. Flack, AGNP's NPI number?
Kristen E. Flack, AGNP's National Provider Identifier (NPI) is 1144746140, issued on Aug 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kristen E. Flack, AGNP located?
The NPPES record lists a practice address at 1540 Florida Ave, Modesto, CA, 95350. Phone: (209) 238-4800. Providers update this record themselves, so call before visiting.
How can I verify Kristen E. Flack, AGNP's license?
NPPES lists California license number NP95007308, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kristen E. Flack, AGNP prescribe under Medicare Part D?
In 2024, Kristen E. Flack, AGNP had 27 Medicare Part D claims for 20 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.