Fernando L. Arroyo, MD
Internal Medicine Physician · Littleton, CO
Fernando L. Arroyo, MD is an internal medicine physician with a practice address in Littleton, Colorado, and NPI 1396962718, issued on Apr 19, 2007. Check the license (Colorado 37033, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Fernando L. Arroyo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37033 CO
Self-reported in NPPES; status is on the state search - Practice location
- 7600 Shaffer Pkwy, Littleton, CO 80127
- Phone
- (303) 338-4545
- Enumerated
- Apr 19, 2007
- Record last updated
- Mar 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 60033878 CO
- Medicare enrollment
- Enrolled (PECOS I20090610000087); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1993
- Entity
- Type 1 · individual
Also registered at 7600 Shaffer Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheanna BarclayInternal Medicine Physician1033246012
- Clare Barela, LPNEmergency Medicine Physician1487862629
- Terencia Beauvais-Nikl, RNRegistered Nurse1285761288
- Sherry Bottom, LPNLicensed Practical Nurse1922216183
- Audrey BroomNurse's Aide1578690590
- Shirley Brown, MANurse's Aide1457494908
Verify Fernando L. Arroyo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 37033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average internal medicine physician in 2024
14,430 Medicare Part D claims for 1,036 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 643 claims were for opioids.
Most prescribed
- Atorvastatin Calcium998 claims
- Lisinopril576 claims
- Levothyroxine Sodium556 claims
- Omeprazole548 claims
- Simvastatin513 claims
- Tamsulosin Hcl510 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.
Bills Medicare through one group practice
- Colorado Permanente Medical Group PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
60 internal medicine physician records list a practice address in Littleton
They are 60 of the 3,918 NPPES records with a practice address in Littleton, and 2,046 internal medicine physician records in Colorado.
All 60 in Littleton → All 2,046 in Colorado → Every provider in Littleton →
Other internal medicine physician records in Colorado
- Emily Aaron, MDDenver, CO1205256971
- David Abbey, MS MDFort Collins, CO1568483196
- Tyler Abbey, DOGreeley, CO1730572694
- Sahar Abdelqader, MDLongmont, CO1366600710
- Ahmed Abdulrahman, MDPueblo, CO1093425068
- Durant Abernethy, M.D.Frisco, CO1427289040
- Alan Aboaf, MDCentennial, CO1003866393
- Adam Abraham, MDAurora, CO1720178304
- Phebe Abraham, MDGreeley, CO1558980540
- Richard Abrams, M.D.Denver, CO1174645386
Common questions
What is Fernando L. Arroyo, MD's NPI number?
Fernando L. Arroyo, MD's National Provider Identifier (NPI) is 1396962718, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Fernando L. Arroyo, MD located?
The NPPES record lists a practice address at 7600 Shaffer Pkwy, Littleton, CO, 80127. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Fernando L. Arroyo, MD's license?
NPPES lists Colorado license number 37033, 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 Fernando L. Arroyo, MD prescribe under Medicare Part D?
In 2024, Fernando L. Arroyo, MD had 14,430 Medicare Part D claims for 1,036 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.