Aaron M. Fields, DO
Family Medicine Physician · Pueblo, CO
Aaron M. Fields, DO is a family medicine physician with a practice address in Pueblo, Colorado, and NPI 1922061522, issued on Apr 7, 2006. Check the license (Colorado 0051862, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron M. Fields
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0051862 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3676 Parker Blvd, Pueblo, CO 81008
- Phone
- (719) 553-2201
- Enumerated
- Apr 7, 2006
- Record last updated
- Jun 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (719) 553-2224
- Medicaid ID
- 25435868 CO
- Medicare enrollment
- Enrolled (PECOS I20131017001195); accepts Medicare assignment
- Medical or professional school
- University Medical College Of Kansas City, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 3676 Parker Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Bast, PA-CPhysician Assistant1922001700
- John Beauman, MDFamily Medicine Physician1497722441
- Merilee Briggs-Mead, FNPFamily Nurse Practitioner1710936968
Verify Aaron M. Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 0051862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average family medicine physician in 2024
8,627 Medicare Part D claims for 515 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 557 claims were for opioids.
Most prescribed
- Atorvastatin Calcium414 claims
- Levothyroxine Sodium413 claims
- Lisinopril294 claims
- Omeprazole262 claims
- Losartan Potassium259 claims
- Tramadol Hcl236 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $968.78
57 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern Colorado Clinic PCPueblo, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron M. Fields among 3,563 family medicine physician records in Colorado
Aaron M. Fields, DO is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2003 · median 2008 among the 2,077 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 family medicine physician records list a practice address in Pueblo
They are 104 of the 3,717 NPPES records with a practice address in Pueblo, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Pueblo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alfred Arline, MDPueblo, CO 810081174585749
- John Beauman, MDPueblo, CO 810081497722441
- J Bradley, M.D.Pueblo, CO 810081932249588
- Cheryl Cavalli, D.O.Pueblo, CO 810081306841325
- Rochelle Elijah, M.D.Pueblo, CO 810081376504654
- Maryann Gamble, M.D.Pueblo, CO 810081295995439
- Amy Hoover, M.D.Pueblo, CO 810081902285901
- Rakesh Khosla, M.D.Pueblo, CO 810081952466336
Common questions
What is Aaron M. Fields, DO's NPI number?
Aaron M. Fields, DO's National Provider Identifier (NPI) is 1922061522, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aaron M. Fields, DO located?
The NPPES record lists a practice address at 3676 Parker Blvd, Pueblo, CO, 81008. Phone: (719) 553-2201. Providers update this record themselves, so call before visiting.
How can I verify Aaron M. Fields, DO's license?
NPPES lists Colorado license number 0051862, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron M. Fields, DO prescribe under Medicare Part D?
In 2024, Aaron M. Fields, DO had 8,627 Medicare Part D claims for 515 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.