Doctor profile · Federal record

Dr. Adam Zelka, M.D.

Family Medicine Physician (CMS: Family Practice) · Billings, MT

  • NPI 1528388873
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
32 Wicks Ln
Billings, MT 591053810
(406) 237-8300
fax (406) 237-8335

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
May 16, 2014
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #26873

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528388873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,082
Distinct HCPCS
10
Medicare allowed
$72,257
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 366 202 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 190 190 $43
99213 Established patient office or other outpatient visit, 20-29 minutes 84 71 $64
G0008 Administration of influenza virus vaccine 67 63 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 50 48 $75
99215 Established patient office or other outpatient visit, 40-54 minutes 45 39 $99
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 34 33 $15
80305 Testing for presence of drug, read by direct observation 32 31 $12
G0009 Administration of pneumococcal vaccine 32 32 $31
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 31 31 $281

In context: peer comparison

Among 28 peers in Billings Family Medicine Physician, average services per provider: 74. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$221
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Kerecis Limited 2 $184.68
Merck Sharp & Dohme LLC 1 $19.07
Mimedx Group, INC. 1 $17.72

By nature of payment

Food and Beverage
$221

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,809
Patients
690
Total drug cost
$146,176
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 310 80 $1,950
Atorvastatin Calcium Generic 268 71 $3,676
Levothyroxine Sodium Generic 264 56 $2,641
Lisinopril Generic 237 60 $2,265
Simvastatin Generic 198 49 $1,647
Gabapentin Generic 186 39 $2,925
Rosuvastatin Calcium Generic 176 58 $3,560
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 173 30 $5,088
Losartan Potassium Generic 167 42 $2,355
Omeprazole Generic 147 39 $1,716

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Zelka's medical specialty?
Dr. Adam Zelka practices Family Medicine Physician in Billings, MT.
Where does Dr. Adam Zelka practice?
Dr. Adam Zelka practices at 32 Wicks Ln, Billings, MT 591053810. Office phone: 4062378300.
What is Dr. Adam Zelka's NPI?
Dr. Adam Zelka's National Provider Identifier (NPI) is 1528388873, issued by NPPES.
Does Dr. Adam Zelka accept Medicare assignment?
Yes. Dr. Adam Zelka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Zelka commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.