Charles Armstrong, M.D.
NPI 1912958067 · Otolaryngology Physician · Lafayette, CO
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Armstrong, M.D. is a Otolaryngology Physician provider in Lafayette, CO (NPI 1912958067).
Provider details
- NPI number
- 1912958067
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 48793 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 113 | 42 |
| Azelastine Hcl | 88 | 35 |
| Fluticasone Propionate | 59 | 24 |
| Doxycycline Hyclate | 32 | 23 |
| Ipratropium Bromide | 27 | 12 |
| Omeprazole | 24 | 14 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 23 | 14 |
| Ofloxacin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-13
- Last updated
- 2021-06-18
- Certified
- 2021-06-18
Frequently asked questions
- What is Charles Armstrong's NPI number?
- Charles Armstrong's National Provider Identifier (NPI) is 1912958067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Armstrong's specialty?
- Charles Armstrong is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Armstrong located?
- Charles Armstrong's practice location on file with NPPES is 280 Exempla Cir, Lafayette, CO 80026-3370.
- What is Charles Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Charles Armstrong is (303) 338-4545.
- Does Charles Armstrong accept Medicare?
- Charles Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Armstrong's NPI active?
- Yes — Charles Armstrong's NPI (1912958067) is active in the NPPES registry as of the last update on 2021-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.