Doctor profile · Federal record

Dr. Tish Parker, FNP-C

Nurse Practitioner · Family Nurse Practitioner · Billings, MT

  • NPI 1023371929
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
602 Henry Chapple St
Billings, MT 591061874
(406) 901-2300

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
June 21, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Montana #100354 · Montana #24873

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023371929. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
790
Distinct HCPCS
10
Medicare allowed
$58,193
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 266 152 $97
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 117 72 $29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 114 114 $87
99213 Established patient office or other outpatient visit, 20-29 minutes 63 56 $74
99497 Advance care planning, first 30 minutes 61 61 $56
G0008 Administration of influenza virus vaccine 36 36 $27
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 28 28 $12
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 25 25 $75
G0009 Administration of pneumococcal vaccine 21 21 $27
36415 Insertion of needle into vein for collection of blood sample 20 15 $7

In context: peer comparison

Among 19 peers in Billings Nurse Practitioner, average services per provider: 72. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $19.50

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,591
Patients
442
Total drug cost
$23,969
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 208 64 $2,778
Levothyroxine Sodium Generic 194 53 $2,609
Simvastatin Generic 138 29 $1,478
Losartan Potassium Generic 127 35 $1,876
Amlodipine Besylate Generic 106 32 $1,022
Gabapentin Generic 106 33 $1,232
Omeprazole Generic 105 28 $1,309
Pantoprazole Sodium Generic 96 30 $2,469
Lisinopril Generic 92 29 $858
Trazodone Hcl Generic 81 19 $650

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tish Parker's medical specialty?
Dr. Tish Parker practices Nurse Practitioner in Billings, MT.
Where does Dr. Tish Parker practice?
Dr. Tish Parker practices at 602 Henry Chapple St, Billings, MT 591061874. Office phone: 4069012300.
What is Dr. Tish Parker's NPI?
Dr. Tish Parker's National Provider Identifier (NPI) is 1023371929, issued by NPPES.
Does Dr. Tish Parker accept Medicare assignment?
Yes. Dr. Tish Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tish Parker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.