Eryn Lonnquist, MD
NPI 1811163140 · Neurology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eryn Lonnquist, MD is a Neurology Physician provider in Denver, CO (NPI 1811163140).
Provider details
- NPI number
- 1811163140
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0051286 (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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 107 | 33 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 78 | 17 |
| Levetiracetam | 53 | 18 |
| Dalfampridinebrand: Dalfampridine Er | 50 | — |
| Sertraline Hcl | 44 | 13 |
| Gabapentin | 38 | 13 |
| Memantine Hcl | 32 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1375 E 20th AveDenver, CO 80205-5422Phone: (303) 338-4545
Registry dates
- Enumerated
- 2008-05-06
- Last updated
- 2025-01-27
- Certified
- 2025-01-27
Frequently asked questions
- What is Eryn Lonnquist's NPI number?
- Eryn Lonnquist's National Provider Identifier (NPI) is 1811163140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eryn Lonnquist's specialty?
- Eryn Lonnquist is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Eryn Lonnquist located?
- Eryn Lonnquist's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4597.
- What is Eryn Lonnquist's phone number?
- The practice phone number listed in the NPPES registry for Eryn Lonnquist is (303) 436-4949.
- Does Eryn Lonnquist accept Medicare?
- Eryn Lonnquist is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eryn Lonnquist's NPI active?
- Yes — Eryn Lonnquist's NPI (1811163140) is active in the NPPES registry as of the last update on 2025-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.