Timothy Langan, M.D.
Internal Medicine Physician · Greenville, DE
Timothy Langan, M.D. is an internal medicine physician with a practice address in Greenville, Delaware, and NPI 1891771911, issued on Dec 20, 2005. Check the license (Delaware C1-0008040, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Timothy Langan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0008040 DE
Self-reported in NPPES; status is on the state search - Practice location
- 3710 Kennett Pike, Greenville, DE 19807
- Phone
- (302) 623-6300
- Enumerated
- Dec 20, 2005
- Entity
- Type 1 · individual
Also registered at 3710 Kennett Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jillian Banbury, MDPlastic Surgery Physician1215990155
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- Lois Dixon, AGNPAdult Health Nurse Practitioner1760888655
Verify Timothy Langan 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 C1-0008040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
342 Medicare Part D claims for 94 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Omeprazole21 claims
- Escitalopram Oxalate20 claims
- Lorazepam17 claims
- Levothyroxine Sodium15 claims
- Quetiapine Fumarate15 claims
- Pantoprazole Sodium12 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.
2 internal medicine physician records list a Greenville practice address
They are 2 of the 27 NPPES records with a Greenville practice address, and 607 internal medicine physician records in Delaware.
All 2 in Greenville → All 607 in Delaware → Every provider in Greenville →
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
- Liann Abu Salman, MDNewark, DE1982125860
- Ramesh Adabala, M.D.,Newark, DE1902898596
- Oluwaseun Adeniyi, MDLewes, DE1154906097
- Sonia Adnan, MDNewark, DE1790915593
- Reynold Agard, M.D.Newark, DE1902811730
- Awanwosa Agho, MDNewark, DE1811672348
Common questions
What is Timothy Langan, M.D.'s NPI number?
Timothy Langan, M.D.'s National Provider Identifier (NPI) is 1891771911, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Langan, M.D. located?
The NPPES record lists a practice address at 3710 Kennett Pike, Greenville, DE, 19807. Phone: (302) 623-6300. Providers update this record themselves, so call before visiting.
How can I verify Timothy Langan, M.D.'s license?
NPPES lists Delaware license number C1-0008040, 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 Timothy Langan, M.D. prescribe under Medicare Part D?
In 2024, Timothy Langan, M.D. had 342 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.