David A. Dalessio, MD
Endocrinology, Diabetes & Metabolism Physician · Durham, NC
David A. Dalessio, MD is an endocrinology, diabetes & metabolism physician with a practice address in Durham, North Carolina, and NPI 1871558817, issued on Apr 20, 2006. Check the license (North Carolina 2014-00858, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- David A. Dalessio
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 2014-00858 NC
35-077498 OH
Self-reported in NPPES; status is on the state search - Practice location
- 40 Duke Medicine Cir, Durham, NC 27710
- Phone
- (919) 684-5778
- Enumerated
- Apr 20, 2006
- Record last updated
- Jun 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (919) 681-8477
- Medicaid IDs
- 200271720 IN
64011497 KY
2193826 OH - Medicare enrollment
- Enrolled (PECOS I20140709001892); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 289 in North Carolina → Look up another NPI →
Also registered at 40 Duke Medicine Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David A. Dalessio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2014-00858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
559 Medicare Part D claims for 147 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Levothyroxine Sodium158 claims
- Ozempic35 claims
- Synthroid33 claims
- Hydrocortisone32 claims
- Methimazole24 claims
- Testosterone Cypionate24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $43,913.49
31 payments; by number, the most common kind was travel and lodging; the largest payer was Eli Lilly and Company. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Duke Health Integrated Practice IncDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Dalessio among 289 endocrinology, diabetes & metabolism physician records in North Carolina
David A. Dalessio, MD is one of 289 endocrinology, diabetes & metabolism physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1983 · median 2003 among the 203 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in North Carolina
There are 289 endocrinology, diabetes & metabolism physician records in North Carolina.
All 289 in North Carolina → Every provider in Durham → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Karen Barnard, M.D.Durham, NC 277101700853777
- M Bethel, M.D.Durham, NC 277101730262973
- Ann Brown, M.D.Durham, NC 277101801979042
- Warner BurchDurham, NC 277101700969946
- Todd Frieze, MDDurham, NC 277101710935838
- Diane Gesty-Palmer, MD PHDDurham, NC 277101679674238
- Jennifer Green, MDDurham, NC 277101770674517
- Nicole Jelesoff, MDDurham, NC 277101376515635
Common questions
What is David A. Dalessio, MD's NPI number?
David A. Dalessio, MD's National Provider Identifier (NPI) is 1871558817, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David A. Dalessio, MD located?
The NPPES record lists a practice address at 40 Duke Medicine Cir, Durham, NC, 27710. Phone: (919) 684-5778. Providers update this record themselves, so call before visiting.
How can I verify David A. Dalessio, MD's license?
NPPES lists North Carolina license number 2014-00858, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David A. Dalessio, MD prescribe under Medicare Part D?
In 2024, David A. Dalessio, MD had 559 Medicare Part D claims for 147 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.