David Lainoff, MD
Internal Medicine Physician · Wilmington, DE
David Lainoff, MD is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1942361076, issued on Dec 13, 2006. Check the license (Delaware C1-0013284, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- David Lainoff
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C1-0013284 DE
MD427714 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 S Riding Blvd FL 2, Wilmington, DE 19808
- Phone
- (302) 623-2850
- Enumerated
- Dec 13, 2006
- Record last updated
- Sep 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (302) 623-2855
- Medicaid ID
- 101545947 PA
- Medicare enrollment
- Enrolled (PECOS I20060315000292); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 100 S Riding Blvd FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas AndersonFamily Medicine Physician1235699810
- Irma Hernandez, LCSWClinical Social Worker1255974010
- Lauren Lenoir, DNPFamily Nurse Practitioner1346957909
- Julia LindenbergClinical Social Worker1205373784
Verify David Lainoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0013284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,032 Medicare Part D claims for 249 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium158 claims
- Amlodipine Besylate125 claims
- Alendronate Sodium76 claims
- Levothyroxine Sodium75 claims
- Omeprazole74 claims
- Lisinopril69 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.
Bills Medicare through 2 group practices
- Christiana Care Health Services IncChadds Ford, PA
- Christiana Care Pennsylvania IncChadds Ford, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Lainoff among 600 internal medicine physician records in Delaware
David Lainoff, MD is one of 600 internal medicine physician records with a practice address in Delaware. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1991 · median 2008 among the 414 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mart Amick, MDWilmington, DE 198081942209143
- Franklin Ampadu, M.D.Wilmington, DE 198081245236843
- James Damour, M.D.Wilmington, DE 198081700884061
- Stuart Felzer, MDWilmington, DE 198081508804402
- Robert Kopecki, DOWilmington, DE 198081326047796
- David Maged, MDWilmington, DE 198081124028808
- Victoria Mawn, MDWilmington, DE 198081932108305
- Andrew Myers, MDWilmington, DE 198081477566446
Common questions
What is David Lainoff, MD's NPI number?
David Lainoff, MD's National Provider Identifier (NPI) is 1942361076, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Lainoff, MD located?
The NPPES record lists a practice address at 100 S Riding Blvd FL 2, Wilmington, DE, 19808. Phone: (302) 623-2850. Providers update this record themselves, so call before visiting.
How can I verify David Lainoff, MD's license?
NPPES lists Delaware license number C1-0013284, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Lainoff, MD prescribe under Medicare Part D?
In 2024, David Lainoff, MD had 2,032 Medicare Part D claims for 249 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.