Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Clayton Aldon Alfonso, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1790028843

Dr. Clayton Aldon Alfonso, MD is an Obstetrics/Gynecology in Durham, North Carolina. Qualified in 2013, 13 years ago. Practices with Duke Health Integrated Practice Inc, a 3,094-clinician group and accepts Medicare assignment. Licensed in North Carolina and Virginia.

Years since qualifying
13
Licensed in
NC, VA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2301 Erwin Rd
Durham, NC 27710
Phone: (919) 684-8111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 201602541 (NC)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 0101278958 (VA)

Record details

NPI number1790028843
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2013
Last updated in NPPESJuly 24, 2026
Certification dateJuly 24, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Duke Health Integrated Practice Inc — 3094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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