Fernando Arroyo, MD
NPI 1396962718 · Internal Medicine Physician · Littleton, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Arroyo, MD is a Internal Medicine Physician provider in Littleton, CO (NPI 1396962718).
Provider details
- NPI number
- 1396962718
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37033 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 137 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 998 | 284 |
| Lisinopril | 576 | 163 |
| Levothyroxine Sodium | 556 | 152 |
| Omeprazole | 548 | 170 |
| Simvastatin | 513 | 139 |
| Tamsulosin Hcl | 510 | 156 |
| Rosuvastatin Calcium | 499 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2021-03-24
- Certified
- 2021-03-24
Frequently asked questions
- What is Fernando Arroyo's NPI number?
- Fernando Arroyo's National Provider Identifier (NPI) is 1396962718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Arroyo's specialty?
- Fernando Arroyo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Arroyo located?
- Fernando Arroyo's practice location on file with NPPES is 7600 Shaffer Pkwy, Littleton, CO 80127-3004.
- What is Fernando Arroyo's phone number?
- The practice phone number listed in the NPPES registry for Fernando Arroyo is (303) 338-4545.
- Does Fernando Arroyo accept Medicare?
- Fernando Arroyo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Arroyo's NPI active?
- Yes — Fernando Arroyo's NPI (1396962718) is active in the NPPES registry as of the last update on 2021-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.