Doctor profile · Federal record

Dr. Aaron Fields, DO

Family Medicine Physician (CMS: Family Practice) · Pueblo, CO

  • NPI 1922061522
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3676 Parker Blvd, Suite 260
Pueblo, CO 810082212
(719) 553-2201
fax (719) 553-2224
Mailing address
Po Box 9000
Pueblo, CO 810089000

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 22, 2016
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #0051862
Medicaid
CO #25435868

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922061522. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,381
Distinct HCPCS
10
Medicare allowed
$93,739
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 508 205 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 140 130 $83
99215 Established patient office or other outpatient visit, 40-54 minutes 139 102 $109
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 120 32 $1
96372 Injection of drug or substance under skin or into muscle 81 59 $14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 59 59 $47
99203 New patient office or other outpatient visit, 30-44 minutes 58 58 $112
J1885 Injection, ketorolac tromethamine, per 15 mg 45 14 $1
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 42 27 $2
81002 Urinalysis, manual test 37 35 $3

In context: peer comparison

Among 20 peers in this city , average services per provider: 77. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$969
Transactions
54
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 14 $249.34
PFIZER INC. 13 $176.42
Novo Nordisk Inc 5 $81.24
Dexcom, Inc. 4 $64.82
E.R. Squibb & Sons, L.L.C. 2 $45.24
Amgen Inc. 2 $40.48
Lilly USA, LLC 2 $38.19
Merck Sharp & Dohme LLC 2 $35.76
Axsome Therapeutics, Inc. 1 $34.17
Bayer Healthcare Pharmaceuticals Inc. 2 $33.66
AstraZeneca Pharmaceuticals LP 2 $32.29
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $31.32
AIMMUNE THERAPEUTICS, INC. 1 $26.20
Sumitomo Pharma America, Inc. 1 $18.67
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $17.12

By nature of payment

Food and Beverage
$969

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,421
Patients
980
Total drug cost
$49,132
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 379 111 $6,280
Atorvastatin Calcium Generic 375 114 $4,217
Lisinopril Generic 269 84 $2,528
Omeprazole Generic 258 72 $4,327
Amlodipine Besylate Generic 256 67 $2,408
Tramadol Hcl Generic 245 54 $2,201
Losartan Potassium Generic 243 68 $3,974
Quetiapine Fumarate Generic 236 50 $2,754
Gabapentin Generic 235 55 $6,032
Metoprolol Succinate Generic 198 59 $3,665

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Fields's medical specialty?
Dr. Aaron Fields practices Family Medicine Physician in Pueblo, CO.
Where does Dr. Aaron Fields practice?
Dr. Aaron Fields practices at 3676 Parker Blvd, Pueblo, CO 810082212. Office phone: 7195532201.
What is Dr. Aaron Fields's NPI?
Dr. Aaron Fields's National Provider Identifier (NPI) is 1922061522, issued by NPPES.
Does Dr. Aaron Fields accept Medicare assignment?
Yes. Dr. Aaron Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Fields 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.