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Lois Nielsen, MD
NPI 1073539839 · Internal Medicine Physician · Towson, MD
Lois Nielsen, MD is a Internal Medicine Physician provider in Towson, MD (NPI 1073539839).
Provider details
- NPI number
- 1073539839
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0038327 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
120 Sister Pierre Dr
Suite # 206
Towson, MD 21204-7516
Phone: (410) 296-3650
Fax: (410) 296-3641
Street-level locationGet directions
Mailing address
Po Box 62026
Baltimore, MD 21264-2026
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lois Nielsen's NPI number?
- Lois Nielsen's National Provider Identifier (NPI) is 1073539839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Nielsen's specialty?
- Lois Nielsen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lois Nielsen located?
- Lois Nielsen's practice location on file with NPPES is 120 Sister Pierre Dr, Towson, MD 21204-7516.
- What is Lois Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Lois Nielsen is (410) 296-3650.
- Is Lois Nielsen's NPI active?
- Yes — Lois Nielsen's NPI (1073539839) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.