Doctor profile · Federal record

Dr. Charles Nielsen, DO

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Colorado Springs, CO

  • NPI 1497247837
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 E Fontanero St Ste 100
Colorado Springs, CO 809077535
(719) 365-7420
Mailing address
2695 Rocky Mountain Ave Ste 150
Loveland, CO 805389071

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
September 13, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #DR.0066360

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497247837. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,026
Distinct HCPCS
10
Medicare allowed
$94,294
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 388 228 $112
99213 Established patient office or other outpatient visit, 20-29 minutes 215 175 $82
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 103 103 $99
99215 Established patient office or other outpatient visit, 40-54 minutes 76 39 $144
G0008 Administration of influenza virus vaccine 65 65 $31
90662 Influenza vaccine split virus, preservative free 64 64 $71
83036 Hemoglobin a1c level 34 22 $10
90480 Admn sarscov2 vacc 1 dose 25 25 $41
91320 Sarscv2 vac 30mcg trs-suc im 25 25 $128
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 16 15 $54

In context: peer comparison

Among 59 peers in Colorado Springs Family Medicine Physician, average services per provider: 90. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,738
Patients
600
Total drug cost
$22,615
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 247 81 $3,080
Atorvastatin Calcium Generic 238 85 $2,949
Lisinopril Generic 199 74 $1,925
Amlodipine Besylate Generic 153 56 $1,515
Metformin Hcl Generic 121 39 $1,272
Losartan Potassium Generic 120 39 $1,574
Gabapentin Generic 97 29 $2,232
Tramadol Hcl Generic 95 29 $597
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 78 21 $2,054
Omeprazole Generic 77 30 $1,131

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Nielsen's medical specialty?
Dr. Charles Nielsen practices Family Medicine Physician in Colorado Springs, CO.
Where does Dr. Charles Nielsen practice?
Dr. Charles Nielsen practices at 320 E Fontanero St Ste 100, Colorado Springs, CO 809077535. Office phone: 7193657420.
What is Dr. Charles Nielsen's NPI?
Dr. Charles Nielsen's National Provider Identifier (NPI) is 1497247837, issued by NPPES.
Does Dr. Charles Nielsen accept Medicare assignment?
Yes. Dr. Charles Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.