NPPES file of Aug 9, 2026

David L. Sappenfield, MD

Retina Specialist (Ophthalmology) Physician · Durham, NC

David L. Sappenfield, MD is a retina specialist (ophthalmology) physician with a practice address in Durham, North Carolina, and NPI 1639161862, issued on Aug 15, 2005. Check the license (North Carolina 29505, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639161862
Name
David L. Sappenfield
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
29505 NC
Self-reported in NPPES; status is on the state search
Practice location
4102 N Roxboro St, Durham, NC 27704
Phone
(919) 595-2000
Enumerated
Aug 15, 2005
Record last updated
Apr 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(919) 595-2190
Medicaid ID
8974496 NC
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4102 N Roxboro St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dorothy Bell, MDOphthalmology Physician1851391239
  2. Shannon Bomstein, AUDAudiologist1881323764
  3. Andrea Engel, AU.D.Audiologist1114114915
  4. Sara Grace, M.D.Ophthalmology Physician1629369350
  5. Pankaj Gupta, MDOtolaryngology Physician1306880992
  6. Anne Harbour-Tonn, SLPSpeech-Language Pathologist1588713044

Verify David L. Sappenfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 29505
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

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46% more Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

905 Medicare Part D claims for 166 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. David Sappenfield905
  2. Specialty average620

Most prescribed

  1. Latanoprost318 claims
  2. Prednisolone Acetate130 claims
  3. Brimonidine Tartrate78 claims
  4. Dorzolamide-Timolol75 claims
  5. Timolol Maleate38 claims
  6. Brimonidine Tartrate-Timolol34 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.

David L. Sappenfield among 32 retina specialist (ophthalmology) physician records in North Carolina

David L. Sappenfield, MD is one of 32 retina specialist (ophthalmology) physician records with a practice address in North Carolina. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 78% newer
  • In a Medicare fileYes · 97% of these records are
  • In the CMS Doctors and Clinicians fileNo · 81% of these records are
  • Record last updated2017 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in North Carolina

There are 32 retina specialist (ophthalmology) physician records in North Carolina.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Oleg Alekseev, M.D., PHD.Durham, NC 277051922457464
  2. Michael Fliotsos, MDDurham, NC 277051205343159
  3. Liangbo Shen, MDDurham, NC 277051487230587
  4. Michael Allingham, M.D., PH.D.Durham, NC 277101285878124
  5. Jeremy Shaw, M.D.Durham, NC 277101154526192
  6. Eleonora Lad, MD, PHDDurham, NC 277131811150576
  7. Daniel Bennett, MDRaleigh, NC 276071376715565
  8. Raynor Casey, M.D.Raleigh, NC 276071821014440

Common questions

What is David L. Sappenfield, MD's NPI number?

David L. Sappenfield, MD's National Provider Identifier (NPI) is 1639161862, issued on Aug 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David L. Sappenfield, MD located?

The NPPES record lists a practice address at 4102 N Roxboro St, Durham, NC, 27704. Phone: (919) 595-2000. Providers update this record themselves, so call before visiting.

How can I verify David L. Sappenfield, MD's license?

NPPES lists North Carolina license number 29505, 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 L. Sappenfield, MD prescribe under Medicare Part D?

In 2024, David L. Sappenfield, MD had 905 Medicare Part D claims for 166 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.