Doctor profile · Federal record

Dr. Libby Costello Gard, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Ambulatory Care Registered Nurse · Family Nurse Practitioner · Missoula, MT

  • NPI 1326239195
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1211 S Reserve St Ste 101
Missoula, MT 598013103
(406) 327-3057
fax (406) 327-3231
Mailing address
500 W Broadway St
Missoula, MT 598024008

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
May 10, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (3)
Montana #NUR-APRN-LIC-126782 · Oregon #099007632RN · Oregon #200850014NP
Medicaid
OR #500616442

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326239195. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
651
Distinct HCPCS
8
Medicare allowed
$33,328
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 227 141 $70
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 118 118 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 116 73 $85
36415 Insertion of needle into vein for collection of blood sample 105 84 $8
G0008 Administration of influenza virus vaccine 28 28 $26
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 23 23 $76
81003 Automated urinalysis test 20 15 $2
83036 Hemoglobin a1c level 14 11 $10

In context: peer comparison

Among 19 peers in Missoula Family Nurse Practitioner, average services per provider: 85. This provider delivers 7.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
939
Patients
240
Total drug cost
$13,415
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 159 43 $2,012
Atorvastatin Calcium Generic 97 26 $1,027
Losartan Potassium Generic 91 30 $1,076
Meloxicam Generic 67 18 $654
Lisinopril Generic 60 19 $629
Trazodone Hcl Generic 58 15 $618
Hydrochlorothiazide Generic 57 15 $249
Alprazolam Generic 51 0 $504
Liothyronine Sodium Generic 51 14 $2,832
Progesterone (Progesterone, Micronized) Brand 45 16 $2,013

Frequently asked questions

Auto-generated from federal data
What is Dr. Libby Costello Gard's medical specialty?
Dr. Libby Costello Gard practices Family Nurse Practitioner in Missoula, MT.
Where does Dr. Libby Costello Gard practice?
Dr. Libby Costello Gard practices at 1211 S Reserve St Ste 101, Missoula, MT 598013103. Office phone: 4063273057.
What is Dr. Libby Costello Gard's NPI?
Dr. Libby Costello Gard's National Provider Identifier (NPI) is 1326239195, issued by NPPES.
Does Dr. Libby Costello Gard accept Medicare assignment?
Yes. Dr. Libby Costello Gard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Libby Costello Gard commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.