OrganizationActive
Landman Steward LLC
NPI 1720523780 · Nephrology Physician · Lawrence, MA
Provider details
- NPI number
- 1720523780
- Entity type
- Organization
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Landman, MD(978) 686-2400
- License
- 159775 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
25 Marston St
Suite 403
Lawrence, MA 01841-2355
Phone: (978) 686-2400
Fax: (978) 685-4151
Street-level locationGet directions
Mailing address
25 Marston St
Lawrence, MA 01841-2355
Registry dates
- Enumerated
- 2016-12-30
- Last updated
- 2017-01-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.