Lia A. Fiallos, D.O.
Family Medicine Physician · Denver, CO
Lia A. Fiallos, D.O. is a family medicine physician with a practice address in Denver, Colorado, and NPI 1861743379, issued on Sep 24, 2012. Check the license (Colorado DR0053715, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lia A. Fiallos
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DR0053715 CO
11128880-1204 UT
66304-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2130 Stout St, Denver, CO 80205
- Phone
- (303) 293-2220
- Enumerated
- Sep 24, 2012
- Record last updated
- Dec 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (303) 296-8826
- Medicare enrollment
- Enrolled (PECOS I20191015001059); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 2130 Stout St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victoria AbbeyClinical Social Worker1942781174
- Jennifer Adams, MDInternal Medicine Physician1386663946
- Cristina ArballoMental Health Counselor1720971708
- Jacob Arrowsmith, LPCCMental Health Counselor1912749110
- Sarah Axelrath, MDInternal Medicine Physician1497285647
- Hannah Bass, RNRegistered Nurse1992271746
Verify Lia A. Fiallos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR0053715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
390 Medicare Part D claims for 54 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium32 claims
- Amlodipine Besylate27 claims
- Gabapentin25 claims
- Lisinopril22 claims
- Ventolin Hfa19 claims
- Fluticasone Propionate18 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: $14.67
1 payment: food and beverage; the largest payer was Heartflow, 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
- Colorado Coalition For The HomelessDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lia A. Fiallos among 3,563 family medicine physician records in Colorado
Lia A. Fiallos, D.O. 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 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2012 · median 2008 among the 2,077 with a school on file
- Record last updated2020 · 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).
457 family medicine physician records list a practice address in Denver
They are 457 of the 25,068 NPPES records with a practice address in Denver, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Denver → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Robert Cutillo, MDDenver, CO 802051760443733
- David Ehrenberger, M.D.Denver, CO 802051922031772
- Edward Farrell, MDDenver, CO 802051861422446
- David FayDenver, CO 802051104898915
- Keri Hobert, M.D.Denver, CO 802051659377521
- Ricardo LopezDenver, CO 802051043347073
Common questions
What is Lia A. Fiallos, D.O.'s NPI number?
Lia A. Fiallos, D.O.'s National Provider Identifier (NPI) is 1861743379, issued on Sep 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Lia A. Fiallos, D.O. located?
The NPPES record lists a practice address at 2130 Stout St, Denver, CO, 80205. Phone: (303) 293-2220. Providers update this record themselves, so call before visiting.
How can I verify Lia A. Fiallos, D.O.'s license?
NPPES lists Colorado license number DR0053715, 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 Lia A. Fiallos, D.O. prescribe under Medicare Part D?
In 2024, Lia A. Fiallos, D.O. had 390 Medicare Part D claims for 54 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.