Sandra Messmer, NP
Nurse Practitioner · Meridian, ID
Sandra Messmer, NP is a nurse practitioner with a practice address in Meridian, Idaho, and NPI 1891273652, issued on Aug 3, 2018. Check the license (Idaho 59692, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandra Messmer
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 59692 ID
2018026389 MO
Self-reported in NPPES; status is on the state search - Practice location
- 867 S Vanguard Way, Meridian, ID 83642
- Phone
- (208) 302-7950
- Enumerated
- Aug 3, 2018
- Record last updated
- Sep 9, 2024
- Fax
- (208) 302-7955
- Medicare enrollment
- Enrolled (PECOS I20191204001538); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 593 in Idaho → Look up another NPI →
Also registered at 867 S Vanguard Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Briggs, PA-CPhysician Assistant1861726259
- Jacob Christensen, D.O.Sports Medicine (Family Medicine) Physician1407237043
- Mark Pyburn, NPNurse Practitioner1871206789
Verify Sandra Messmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license 59692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average nurse practitioner in 2024
380 Medicare Part D claims for 292 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass67 claims
- Azithromycin24 claims
- Doxycycline Hyclate21 claims
- Cephalexin18 claims
- Ciprofloxacin Hcl18 claims
- Prednisone18 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: $349.77
17 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 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
- Saint Alphonsus Regional Medical Center IncBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Messmer among 593 nurse practitioner records in Idaho
Sandra Messmer, NP is one of 593 nurse practitioner records with a practice address in Idaho. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 53% of them.
- NPI issued2018 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2018 among the 382 with a school on file
- Record last updated2024 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 nurse practitioner records list a practice address in Meridian
They are 62 of the 2,980 NPPES records with a practice address in Meridian, and 593 nurse practitioner records in Idaho.
All 593 in Idaho → Every provider in Meridian → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Paul Battershell, C.R.N.PBoise, ID 836421891802310
- Danielle Brunk, NPMeridian, ID 836421922363720
- Jill Dawson, NPMeridian, ID 836421801908140
- Robyn Develle, DC, NP-CMeridian, ID 836421215954862
- Shauna Ellefson, NPMeridian, ID 836421588943435
- Linda Gould, NPMeridian, ID 836421457499261
- Vanessa Holstine, NPMeridian, ID 836421043346901
- Janice Jarrard, FNP-CMeridian, ID 836421447289681
Common questions
What is Sandra Messmer, NP's NPI number?
Sandra Messmer, NP's National Provider Identifier (NPI) is 1891273652, issued on Aug 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Messmer, NP located?
The NPPES record lists a practice address at 867 S Vanguard Way, Meridian, ID, 83642. Phone: (208) 302-7950. Providers update this record themselves, so call before visiting.
How can I verify Sandra Messmer, NP's license?
NPPES lists Idaho license number 59692, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Sandra Messmer, NP prescribe under Medicare Part D?
In 2024, Sandra Messmer, NP had 380 Medicare Part D claims for 292 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.