Lois E. Nielsen, MD
Internal Medicine Physician · Towson, MD
Lois E. Nielsen, MD is an internal medicine physician with a practice address in Towson, Maryland, and NPI 1073539839, issued on Jul 14, 2006. Check the license (Maryland D0038327, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lois E. Nielsen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0038327 MD
Self-reported in NPPES; status is on the state search - Practice location
- 120 Sister Pierre Dr, Towson, MD 21204
- Phone
- (410) 296-3650
- Enumerated
- Jul 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 296-3641
- Entity
- Type 1 · individual
Also registered at 120 Sister Pierre Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Alexander, MDInternal Medicine Physician1659479178
- John Bacon, M.D.Allergy Physician1538162078
- Richard Baldi, PSYD LCSW CClinical Social Worker1568402436
- Misty Borst, MDPsychiatry Physician1730219916
- Jeffrey Campodonico, PH.D.Clinical Neuropsychologist1407908395
- Robert Canosa, PH.D.Clinical Social Worker1306855317
Verify Lois E. Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0038327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
121 internal medicine physician records list a practice address in Towson
They are 121 of the 3,721 NPPES records with a practice address in Towson, and 3,904 internal medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 121 in Towson → All 3,904 in Maryland → Every provider in Towson →
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- Hamdi AbdeenGaithersburg, MD1245972413
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- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Lois E. Nielsen, MD's NPI number?
Lois E. Nielsen, MD's National Provider Identifier (NPI) is 1073539839, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lois E. Nielsen, MD located?
The NPPES record lists a practice address at 120 Sister Pierre Dr, Towson, MD, 21204. Phone: (410) 296-3650. Providers update this record themselves, so call before visiting.
How can I verify Lois E. Nielsen, MD's license?
NPPES lists Maryland license number D0038327, 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.
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.