Mark S. Borer, M.D.
Child & Adolescent Psychiatry Physician · Dover, DE
Mark S. Borer, M.D. is a child & adolescent psychiatry physician with a practice address in Dover, Delaware, and NPI 1033228077, issued on Aug 30, 2006. Check the license (Delaware 0002941, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mark S. Borer
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 0002941 DE
Self-reported in NPPES; status is on the state search - Practice location
- 846 Walker RD, Dover, DE 19904
- Phone
- (302) 674-2265
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (302) 674-3321
- Medicaid ID
- 1-000006241 DE
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 17 in Delaware → Look up another NPI →
Also registered at 846 Walker RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Bugglin, PHDClinical Psychologist1437268380
- Lillian Kraman-Roach, MDPsychiatry Physician1104811645
Verify Mark S. Borer 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 0002941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
372 Medicare Part D claims for 27 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Lamotrigine33 claims
- Lorazepam30 claims
- Diazepam19 claims
- Duloxetine Hcl18 claims
- Memantine Hcl14 claims
- Aripiprazole13 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.
Mark S. Borer among 17 child & adolescent psychiatry physician records in Delaware
Mark S. Borer, M.D. is one of 17 child & adolescent psychiatry physician records with a practice address in Delaware. 53% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 53% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2007 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Delaware
There are 17 child & adolescent psychiatry physician records in Delaware.
All 17 in Delaware → Every provider in Dover → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Gunit Kahlon, MDDover, DE 199041467772913
- Alisa Novak, PMHNPDover, DE 199041831641935
- Barry Goldstein, MDDover, DE 199011831265461
- Amanda Castro, M.D.Wilmington, DE 198061942568142
- Kristin Borreggine, D.O.Wilmington, DE 198031700293834
- Allison Dovi, PH.DWilmington, DE 198031093200479
- Josephine Elia, MDWilmington, DE 198031063528669
- Richard Kingsley, MDWilmington, DE 198031699867473
Common questions
What is Mark S. Borer, M.D.'s NPI number?
Mark S. Borer, M.D.'s National Provider Identifier (NPI) is 1033228077, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Borer, M.D. located?
The NPPES record lists a practice address at 846 Walker RD, Dover, DE, 19904. Phone: (302) 674-2265. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Borer, M.D.'s license?
NPPES lists Delaware license number 0002941, 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 Mark S. Borer, M.D. prescribe under Medicare Part D?
In 2024, Mark S. Borer, M.D. had 372 Medicare Part D claims for 27 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.