Doctor profile · Federal record

Dr. Chelsea Tretter, PA

Physician Assistant · Lakewood, CO

  • NPI 1174099592
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1687 Cole Blvd Ste 150
Lakewood, CO 804013322
(720) 712-0796
Additional location
600 William St Apt 550
Oakland, CA 946125403
(909) 615-3204
Additional location
840 Irving St
San Francisco, CA 94122
(415) 590-6140
Mailing address
1293 S Race St
Denver, CO 802101817

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Profile last updated
March 25, 2026
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174099592. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,490
Distinct HCPCS
10
Medicare allowed
$35,550
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 596 73 $0
87804 Detection test by immunoassay with direct visual observation for influenza virus 165 83 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 145 141 $102
96372 Injection of drug or substance under skin or into muscle 118 85 $11
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 98 96 $41
J0696 Injection, ceftriaxone sodium, per 250 mg 78 20 $1
J1885 Injection, ketorolac tromethamine, per 15 mg 68 22 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 48 48 $72
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $133
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 42 42 $16

In context: peer comparison

Among 24 peers in this city , average services per provider: 58. This provider delivers 26× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
222
Patients
210
Total drug cost
$1,310
Drug Type Claims Patients Total cost
Prednisone Generic 55 55 $89
Azithromycin Generic 41 40 $217
Amoxicillin Generic 39 39 $158
Doxycycline Hyclate Generic 14 14 $149
Triamcinolone Acetonide Generic 14 14 $54
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $115
Methylprednisolone Generic 13 13 $131
Cephalexin Generic 11 11 $94
Fluticasone Propionate Generic 11 11 $123
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 11 0 $180

Frequently asked questions

Auto-generated from federal data
What is Dr. Chelsea Tretter's medical specialty?
Dr. Chelsea Tretter practices Physician Assistant in Lakewood, CO.
Where does Dr. Chelsea Tretter practice?
Dr. Chelsea Tretter practices at 1687 Cole Blvd Ste 150, Lakewood, CO 804013322. Office phone: 7207120796.
What is Dr. Chelsea Tretter's NPI?
Dr. Chelsea Tretter's National Provider Identifier (NPI) is 1174099592, issued by NPPES.
What procedures does Dr. Chelsea Tretter commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.