Diana Cornell, MD
NPI 1497135644 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Cornell, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1497135644).
Provider details
- NPI number
- 1497135644
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
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
11 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
451 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 114 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 85 | $141 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 79 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $99 |
| 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 | 47 | $17 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 192 | 59 |
| Amlodipine Besylate | 111 | 44 |
| Lisinopril | 94 | 38 |
| Levothyroxine Sodium | 61 | 24 |
| Rosuvastatin Calcium | 55 | 21 |
| Losartan Potassium | 55 | 14 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 20 York StYale-New Haven HospitalNew Haven, CT 06510-3220Phone: (203) 789-4044
Registry dates
- Enumerated
- 2015-06-03
- Last updated
- 2018-09-27
Frequently asked questions
- What is Diana Cornell's NPI number?
- Diana Cornell's National Provider Identifier (NPI) is 1497135644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Cornell's specialty?
- Diana Cornell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Cornell located?
- Diana Cornell's practice location on file with NPPES is 165 Cambridge St, Boston, MA 02114-2783.
- What is Diana Cornell's phone number?
- The practice phone number listed in the NPPES registry for Diana Cornell is (617) 726-4900.
- Does Diana Cornell accept Medicare?
- Diana Cornell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Cornell's NPI active?
- Yes — Diana Cornell's NPI (1497135644) is active in the NPPES registry as of the last update on 2018-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.