Rosemary Klassen, MD
NPI 1245791177 · Family Medicine Physician · Asheville, NC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosemary Klassen, MD is a Family Medicine Physician provider in Asheville, NC (NPI 1245791177).
Provider details
- NPI number
- 1245791177
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 70726 (TN)
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
7 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
193 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 54 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 29 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $154 |
| Hemoglobin A1c Level83036 | 14 | $10 |
| Telephone Medical Discussion With Physician, 11-20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 100 | 57 |
| Losartan Potassium | 75 | 45 |
| Amlodipine Besylate | 73 | 45 |
| Lisinopril | 61 | 35 |
| Levothyroxine Sodium | 60 | 34 |
| Gabapentin | 42 | 21 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-25
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Rosemary Klassen's NPI number?
- Rosemary Klassen's National Provider Identifier (NPI) is 1245791177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Klassen's specialty?
- Rosemary Klassen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemary Klassen located?
- Rosemary Klassen's practice location on file with NPPES is 25 Avon Rd, Asheville, NC 28805-1901.
- What is Rosemary Klassen's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Klassen is (850) 524-2959.
- Does Rosemary Klassen accept Medicare?
- Rosemary Klassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosemary Klassen's NPI active?
- Yes — Rosemary Klassen's NPI (1245791177) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.