Doctor profile · Federal record

Dr. David Dalessio, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Internal Medicine Physician · Endocrinology, Diabetes & Metabolism Physician · Internal Medicine Physician · Durham, NC

  • NPI 1871558817
  • Accepts Medicare
  • 43 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Duke Medicine Cir, Ste 4300
Durham, NC 277100001
(919) 684-5778
fax (919) 681-8477
Mailing address
758 Old Mill RD
Chapel Hill, NC 275143927

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 20, 2016
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
North Carolina #2014-00858 · Ohio #35-077498
Medicaid (3)
IN #200271720 · KY #64011497 · OH #2193826

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871558817. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
5
Medicare allowed
$12,703
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 48 41 $93
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 36 21 $45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 16 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 18 $157
99215 Established patient office or other outpatient visit, 40-54 minutes 14 13 $129

In context: peer comparison

Among 12 peers in Durham Endocrinology, Diabetes & Metabolism Physician, average services per provider: 97. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43,913
Transactions
31
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Eli Lilly and Company 30 $42,913.49
Vertex Pharmaceuticals Incorporated 1 $1,000.00

By nature of payment

Consulting Fee
$27,150
Travel and Lodging
$16,271
Food and Beverage
$493

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
391
Patients
98
Total drug cost
$87,837
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 142 66 $2,087
Synthroid (Levothyroxine Sodium) Brand 49 16 $4,906
Testosterone Cypionate Generic 42 16 $1,111
Metformin Hcl Generic 23 0 $230
Ozempic (Semaglutide) Brand 23 0 $26,848
Prednisone Generic 23 0 $368
Methimazole Generic 16 0 $203
Hydrocortisone Generic 15 0 $817
Forteo (Teriparatide) Brand 12 0 $39,412
Glipizide ER (Glipizide) Brand 12 0 $51

Frequently asked questions

Auto-generated from federal data
What is Dr. David Dalessio's medical specialty?
Dr. David Dalessio practices Endocrinology, Diabetes & Metabolism Physician in Durham, NC.
Where does Dr. David Dalessio practice?
Dr. David Dalessio practices at 40 Duke Medicine Cir, Durham, NC 277100001. Office phone: 9196845778.
What is Dr. David Dalessio's NPI?
Dr. David Dalessio's National Provider Identifier (NPI) is 1871558817, issued by NPPES.
Does Dr. David Dalessio accept Medicare assignment?
Yes. Dr. David Dalessio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Dalessio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.