Doctor profile · Federal record

Dr. Diana Cornell, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1497135644
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
165 Cambridge St
Boston, MA 021142783
(617) 726-4900
Additional location
20 York St, Yale-New Haven Hospital
New Haven, CT 065103220
(203) 789-4044

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
September 27, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #59342

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497135644. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
402
Distinct HCPCS
9
Medicare allowed
$46,038
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 103 71 $141
36415 Insertion of needle into vein for collection of blood sample 88 81 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 55 55 $142
99213 Established patient office or other outpatient visit, 20-29 minutes 41 37 $100
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 31 30 $281
G0009 Administration of pneumococcal vaccine 31 30 $34
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 23 23 $180
99215 Established patient office or other outpatient visit, 40-54 minutes 15 12 $196
99443 Telephone medical discussion with physician, 21-30 minutes 15 14 $140

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
939
Patients
294
Total drug cost
$53,336
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 224 76 $4,536
Amlodipine Besylate Generic 128 47 $1,058
Lisinopril Generic 113 41 $1,075
Hydrochlorothiazide Generic 74 26 $388
Levothyroxine Sodium Generic 65 24 $1,110
Omeprazole Generic 54 21 $1,673
Rosuvastatin Calcium Generic 52 19 $2,763
Losartan Potassium Generic 42 14 $798
Atenolol Generic 39 13 $507
Metoprolol Succinate Generic 30 13 $879

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Cornell's medical specialty?
Dr. Diana Cornell practices Internal Medicine Physician in Boston, MA.
Where does Dr. Diana Cornell practice?
Dr. Diana Cornell practices at 165 Cambridge St, Boston, MA 021142783. Office phone: 6177264900.
What is Dr. Diana Cornell's NPI?
Dr. Diana Cornell's National Provider Identifier (NPI) is 1497135644, issued by NPPES.
Does Dr. Diana Cornell accept Medicare assignment?
Yes. Dr. Diana Cornell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Cornell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.