John Zimmerman, M.D.
Internal Medicine Physician · Lewes, DE
John Zimmerman, M.D. is an internal medicine physician with a practice address in Lewes, Delaware, and NPI 1215974894, issued on Jun 1, 2006. Check the license (Delaware C1-0012226, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- John Zimmerman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C1-0012226 DE
D83821 MD
0101233779 VA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Ocean View Blvd, Lewes, DE 19958
- Phone
- (410) 548-2343
- Enumerated
- Jun 1, 2006
- Entity
- Type 1 · individual
Also registered at 301 Ocean View Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elisa Carlino, PTAPhysical Therapy Assistant1558827501
- Shannon Deck, OTR/LOccupational Therapist1205393774
- Erica DraytonOccupational Therapy Assistant1023558665
- Nicole Lee, CRNPFamily Nurse Practitioner1730302233
- Jason Peltz, PTAPhysical Therapy Assistant1376000893
- Jill Stewart, PTASpecialist1285076133
Verify John Zimmerman 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 C1-0012226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
65 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Donepezil Hcl13 claims
- Allopurinol12 claims
- Potassium Chloride12 claims
- Tamsulosin Hcl12 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.
42 internal medicine physician records list a Lewes practice address
They are 42 of the 1,696 NPPES records with a Lewes practice address, and 607 internal medicine physician records in Delaware.
All 42 in Lewes → All 607 in Delaware → Every provider in Lewes →
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 John Zimmerman, M.D.'s NPI number?
John Zimmerman, M.D.'s National Provider Identifier (NPI) is 1215974894, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Zimmerman, M.D. located?
The NPPES record lists a practice address at 301 Ocean View Blvd, Lewes, DE, 19958. Phone: (410) 548-2343. Providers update this record themselves, so call before visiting.
How can I verify John Zimmerman, M.D.'s license?
NPPES lists Delaware license number C1-0012226, 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 John Zimmerman, M.D. prescribe under Medicare Part D?
In 2024, John Zimmerman, M.D. had 65 Medicare Part D claims; 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.