Alan Greenglass, MD
Internal Medicine Physician · Newark, DE
Alan Greenglass, MD is an internal medicine physician with a practice address in Newark, Delaware, and NPI 1366596561, issued on Jan 23, 2007. Check the license (Delaware C1-0007944, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alan Greenglass
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0007944 DE
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hygeia Drive, Newark, DE 19713
- Phone
- (302) 623-0117
- Enumerated
- Jan 23, 2007
- Record last updated
- Jul 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 200 Hygeia Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samantha Decouto, DOInternal Medicine Physician1730355066
- Lauren Douglas, MDInternal Medicine Physician1346530896
- Lynn Gallagher, PA-CMedical Physician Assistant1366719882
- Ajeetpal Hans, DOInternal Medicine Physician1114194891
Verify Alan Greenglass 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 C1-0007944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
240 internal medicine physician records list a practice address in Newark
They are 240 of the 4,662 NPPES records with a practice address in Newark, and 600 internal medicine physician records in Delaware. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 240 in Newark → All 600 in Delaware → Every provider in Newark →
Other internal medicine physician records in Delaware
- Raya Abbasi, M.DNewark, DE1205524154
- Semaan Abboud, M.D.Millsboro, DE1063477529
- Joseph Raphael Ablaza, M.D.Dover, DE1366892291
- Anastasia AbongnelahMilford, DE1275371312
- Aashish AcharyaDover, DE1912523424
- Ramesh Adabala, M.D.,Newark, DE1902898596
- Oluwaseun Adeniyi, MDLewes, DE1154906097
- Sonia Adnan, MDNewark, DE1790915593
- Fatima Afridi, M.D.Newark, DE1578712584
- Reynold Agard, M.D.Newark, DE1902811730
Common questions
What is Alan Greenglass, MD's NPI number?
Alan Greenglass, MD's National Provider Identifier (NPI) is 1366596561, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alan Greenglass, MD located?
The NPPES record lists a practice address at 200 Hygeia Drive, Newark, DE, 19713. Phone: (302) 623-0117. Providers update this record themselves, so call before visiting.
How can I verify Alan Greenglass, MD's license?
NPPES lists Delaware license number C1-0007944, 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.
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.