Doctor profile · Federal record

Dr. Sandra Messmer, NP

Nurse Practitioner · Family Nurse Practitioner · Meridian, ID

  • NPI 1891273652
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
867 S Vanguard Way
Meridian, ID 836427552
(208) 302-7950
fax (208) 302-7955
Additional location
512 N 21St Ave
Caldwell, ID 836054368
(208) 809-2875
fax (208) 809-2876
Mailing address
Po Box 190930
Boise, ID 837190930

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Profile last updated
September 9, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Idaho #59692 · Missouri #2018026389

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891273652. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
233
Distinct HCPCS
8
Medicare allowed
$14,475
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 81 77 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 34 33 $96
81002 Urinalysis, manual test 27 26 $3
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $87
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 24 24 $39
96372 Injection of drug or substance under skin or into muscle 16 11 $11
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $130
87651 Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 12 12 $34

In context: peer comparison

Among 15 peers in this city , average services per provider: 57. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$350
Transactions
17
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $101.20
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $45.27
E.R. Squibb & Sons, L.L.C. 2 $37.34
Lilly USA, LLC 2 $32.68
PFIZER INC. 2 $31.11
Amgen Inc. 1 $28.68
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $23.41
Gilead Sciences, Inc. 1 $17.71
AstraZeneca Pharmaceuticals LP 1 $16.22
GlaxoSmithKline, LLC. 1 $16.15

By nature of payment

Food and Beverage
$350

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
191
Patients
184
Total drug cost
$1,735
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 54 53 $425
Azithromycin Generic 19 18 $93
Cephalexin Generic 18 17 $179
Fluconazole Generic 17 15 $126
Prednisone Generic 17 17 $35
Ciprofloxacin Hcl Generic 15 15 $164
Doxycycline Hyclate Generic 14 13 $214
Triamcinolone Acetonide Generic 13 13 $108
Cefdinir Generic 12 11 $314
Cyclobenzaprine Hcl Generic 12 12 $77

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Messmer's medical specialty?
Dr. Sandra Messmer practices Nurse Practitioner in Meridian, ID.
Where does Dr. Sandra Messmer practice?
Dr. Sandra Messmer practices at 867 S Vanguard Way, Meridian, ID 836427552. Office phone: 2083027950.
What is Dr. Sandra Messmer's NPI?
Dr. Sandra Messmer's National Provider Identifier (NPI) is 1891273652, issued by NPPES.
Does Dr. Sandra Messmer accept Medicare assignment?
Yes. Dr. Sandra Messmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Messmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.