Norman M. Dy, MD
Internal Medicine Physician · Lutherville Timonium, MD
Norman M. Dy, MD is an internal medicine physician with a practice address in Lutherville Timonium, Maryland, and NPI 1215997275, issued on Mar 24, 2006. Check the license (Maryland D0055197, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Norman M. Dy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0055197 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2360 W Joppa RD, Lutherville Timonium, MD 21093
- Phone
- (410) 847-3529
- Enumerated
- Mar 24, 2006
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 680801800 MD
- Medicare enrollment
- Enrolled (PECOS I20040817000080); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 2360 W Joppa RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Ettinger, MSN,NPCNurse Practitioner1144325275
- Vikesh Singh, M.D., M.S.Gastroenterology Physician1083649081
- Kathryn Thomas, APRN, PHDAdult Psychiatric/Mental Health Clinical Nurse Specialist1598927964
Verify Norman M. Dy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0055197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
20 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Johns Hopkins Community Physicians, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Norman M. Dy among 3,904 internal medicine physician records in Maryland
Norman M. Dy, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1992 · median 2003 among the 2,445 with a school on file
- Record last updated2013 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Lutherville Timonium
They are 6 of the 207 NPPES records with a practice address in Lutherville Timonium, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Lutherville Timonium → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Aucott, M.D.Lutherville, MD 210931578564233
- Christine Bell Lafferman, M.D.Lutherville, MD 210931992771653
- Holly Dahlman, M.D.Lutherville, MD 210931962464552
- Melissa Fox, M.D.Lutherville, MD 210931700843273
- Tammy Hadley, M.D.Lutherville, MD 210931598766958
- Nicholas Mellis, M.D.Timonium, MD 210931588663108
- Susan Molinaro, M.D.Lutherville, MD 210931518968874
- Laura Mumford, M.D.Lutherville, MD 210931700837804
Common questions
What is Norman M. Dy, MD's NPI number?
Norman M. Dy, MD's National Provider Identifier (NPI) is 1215997275, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Norman M. Dy, MD located?
The NPPES record lists a practice address at 2360 W Joppa RD, Lutherville Timonium, MD, 21093. Phone: (410) 847-3529. Providers update this record themselves, so call before visiting.
How can I verify Norman M. Dy, MD's license?
NPPES lists Maryland license number D0055197, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Norman M. Dy, MD prescribe under Medicare Part D?
In 2024, Norman M. Dy, MD had 20 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.