Karen Andrews, MD
NPI 1750365565 · Allergy Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Andrews, MD is a Allergy Physician provider in Boulder, CO (NPI 1750365565).
Provider details
- NPI number
- 1750365565
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 43107 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
6,394 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,036 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,655 | $15 |
| Test for Allergy Using Skin Patch95044 | 1,032 | $5 |
| Professional Service for Multiple Injections of Allergen95117 | 706 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 262 | $129 |
| Professional Service for Single Injection of Allergen95115 | 140 | $11 |
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 |
|---|---|---|
| Dupilumabbrand: Dupixent Syringe | 73 | — |
| Montelukast Sodium | 56 | 19 |
| Omalizumabbrand: Xolair | 41 | — |
| Famotidine | 41 | — |
| Epinephrine | 33 | 31 |
| Diphenhydramine Hcl | 29 | — |
| Prednisone | 25 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-05
- Last updated
- 2025-02-25
- Certified
- 2025-02-25
Frequently asked questions
- What is Karen Andrews's NPI number?
- Karen Andrews's National Provider Identifier (NPI) is 1750365565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Andrews's specialty?
- Karen Andrews is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Andrews located?
- Karen Andrews's practice location on file with NPPES is 2750 Broadway St, Boulder, CO 80304-3573.
- What is Karen Andrews's phone number?
- The practice phone number listed in the NPPES registry for Karen Andrews is (303) 440-3000.
- Does Karen Andrews accept Medicare?
- Karen Andrews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Andrews's NPI active?
- Yes — Karen Andrews's NPI (1750365565) is active in the NPPES registry as of the last update on 2025-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.