Karen Holder, FNPC
Family Nurse Practitioner · Flagstaff, AZ
Karen Holder, FNPC is a family nurse practitioner with a practice address in Flagstaff, Arizona, and NPI 1831192913, issued on May 23, 2005. Check the license (Arizona RN036046, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Holder
- Credential
- FNPC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN036046 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2920 N 4TH St, Flagstaff, AZ 86004
- Phone
- (928) 522-9400
- Enumerated
- May 23, 2005
- Record last updated
- Apr 23, 2026
- Medicaid ID
- 109109 AZ
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 2920 N 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Aleman, PHARMDPharmacist1083103550
- Hazem AlnamousStudent in an Organized Health Care Education/Training Program1760283071
- April Alvarez-Corona, M.D.Pediatrics Physician1699926048
- Inna Amaryllis, MDStudent in an Organized Health Care Education/Training Program1316785652
- Natalie Andress, CNMAdvanced Practice Midwife1427319961
- Julie Armstrong, MSWClinical Social Worker1972058527
Verify Karen Holder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license RN036046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family nurse practitioner in 2024
169 Medicare Part D claims for 44 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen16 claims
- Gabapentin15 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.
Karen Holder among 5,933 family nurse practitioner records in Arizona
Karen Holder, FNPC is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 38% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 family nurse practitioner records list a practice address in Flagstaff
They are 80 of the 2,419 NPPES records with a practice address in Flagstaff, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Flagstaff → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ruth Deboard, FNPCFlagstaff, AZ 860041245419100
- Jessica Gaylord, FNPFlagstaff, AZ 860041861546384
- Matthew Gilkey, FNPFlagstaff, AZ 860041093258964
- Michele Inge, FNPFlagstaff, AZ 860041558339259
- Kathryn Irwin, N.P.Flagstaff, AZ 860041912322207
- Harper Metz, FNPFlagstaff, AZ 860041174039077
- Christy Pacheco, FNPFlagstaff, AZ 860041871621284
- Karen Plager, PHD, RN, FNP-BCFlagstaff, AZ 860041497850606
Common questions
What is Karen Holder, FNPC's NPI number?
Karen Holder, FNPC's National Provider Identifier (NPI) is 1831192913, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen Holder, FNPC located?
The NPPES record lists a practice address at 2920 N 4TH St, Flagstaff, AZ, 86004. Phone: (928) 522-9400. Providers update this record themselves, so call before visiting.
How can I verify Karen Holder, FNPC's license?
NPPES lists Arizona license number RN036046, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Holder, FNPC prescribe under Medicare Part D?
In 2024, Karen Holder, FNPC had 169 Medicare Part D claims for 44 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.