Sidney M. Grobman, D.O.
Internal Medicine Physician · Wilmington, DE
Sidney M. Grobman, D.O. is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1982920294, issued on Apr 12, 2010. Check the license on the Delaware Board of Medical Licensure and Discipline; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sidney M. Grobman
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS001850L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3411 Silverside RD, Wilmington, DE 19810
- Phone
- (302) 479-0580
- Enumerated
- Apr 12, 2010
- Record last updated
- Apr 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 3411 Silverside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abby Bugbee, PSYDClinical Psychologist1588309082
- Holly Catalano, PTPhysical Therapist1033264684
- Robert Catalano, MA,PT,CERT.MDTPhysical Therapist1700931581
- Margaret Conte, MDFamily Medicine Physician1265421028
Verify Sidney M. Grobman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and DisciplineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sidney M. Grobman among 600 internal medicine physician records in Delaware
Sidney M. Grobman, D.O. 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 not. Its NPI, issued in 2010, is newer than 49% of them.
- NPI issued2010 · 49% of these records are older, 49% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Armand Desanctis, MDWilmington, DE 198101558463299
- David Donohue, M.D.Wilmington, DE 198101437112182
- Leslie Donohue, D.O.Wilmington, DE 198101063635589
- M Gilani, MDWilmington, DE 198101780618702
- Timothy Hennessy, M.D.Wilmington, DE 198101528045119
- Joseph Loughran, M.D.Wilmington, DE 198101659358232
- James Loughran, M.D.Wilmington, DE 198101932186525
- Alexis Saunders, MDWilmington, DE 198101245818434
Common questions
What is Sidney M. Grobman, D.O.'s NPI number?
Sidney M. Grobman, D.O.'s National Provider Identifier (NPI) is 1982920294, issued on Apr 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sidney M. Grobman, D.O. located?
The NPPES record lists a practice address at 3411 Silverside RD, Wilmington, DE, 19810. Phone: (302) 479-0580. Providers update this record themselves, so call before visiting.
How can I verify Sidney M. Grobman, D.O.'s license?
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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.