Katherine Allen, MD
NPI 1225527856 · Internal Medicine Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Allen, MD is a Internal Medicine Physician provider in Chapel Hill, NC (NPI 1225527856).
Provider details
- NPI number
- 1225527856
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 239203 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
447 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 | 166 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 153 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $85 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $169 |
| Administration of Influenza Virus VaccineG0008 | 21 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 75 | 27 |
| Rosuvastatin Calcium | 67 | 22 |
| Levothyroxine Sodium | 61 | 20 |
| Gabapentin | 51 | 13 |
| Lisinopril | 46 | 15 |
| Amlodipine Besylate | 45 | 15 |
| Alendronate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-09
- Last updated
- 2021-07-01
- Certified
- 2021-07-01
Frequently asked questions
- What is Katherine Allen's NPI number?
- Katherine Allen's National Provider Identifier (NPI) is 1225527856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Allen's specialty?
- Katherine Allen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Allen located?
- Katherine Allen's practice location on file with NPPES is 100 Eastowne Dr, Chapel Hill, NC 27514-2286.
- What is Katherine Allen's phone number?
- The practice phone number listed in the NPPES registry for Katherine Allen is (984) 974-4435.
- Does Katherine Allen accept Medicare?
- Katherine Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Allen's NPI active?
- Yes — Katherine Allen's NPI (1225527856) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.