Doctor profile · Federal record

Dr. James Trettin, MD

Emergency Medicine Physician (CMS: Family Practice) · Lompoc, CA

  • NPI 1750656971
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
161 Oakmont Ave
Lompoc, CA 934361310
(805) 733-0765
Mailing address
35 Medical Center Pkwy
Augusta, ME 043308160

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
September 27, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maine #MD20676

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750656971. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
779
Distinct HCPCS
5
Medicare allowed
$99,865
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 263 238 $177
99284 Emergency department visit with moderate level of medical decision making 247 208 $121
99283 Emergency department visit with low level of medical decision making 99 89 $72
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 97 91 $8
99291 Critical care, first 30-74 minutes 73 70 $211

In context: peer comparison

Among 2 peers in Lompoc Emergency Medicine Physician, average services per provider: 119. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
340
Patients
0
Total drug cost
$34,366
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 50 0 $360
Atorvastatin Calcium Generic 39 0 $266
Quetiapine Fumarate Generic 29 0 $198
Levothyroxine Sodium Generic 25 0 $337
Pravastatin Sodium Generic 24 0 $198
Losartan Potassium Generic 23 0 $214
Olanzapine Generic 23 0 $289
Donepezil Hcl Generic 22 0 $169
Eliquis (Apixaban) Brand 20 0 $12,152
Metoprolol Succinate Generic 20 0 $234

Frequently asked questions

Auto-generated from federal data
What is Dr. James Trettin's medical specialty?
Dr. James Trettin practices Emergency Medicine Physician in Lompoc, CA.
Where does Dr. James Trettin practice?
Dr. James Trettin practices at 161 Oakmont Ave, Lompoc, CA 934361310. Office phone: 8057330765.
What is Dr. James Trettin's NPI?
Dr. James Trettin's National Provider Identifier (NPI) is 1750656971, issued by NPPES.
Does Dr. James Trettin accept Medicare assignment?
Yes. Dr. James Trettin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Trettin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.