What is Landman Steward LLC's NPI number?

Landman Steward LLC's National Provider Identifier (NPI) is 1720523780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Landman Steward LLC?

Landman Steward LLC is classified in the NPPES registry as Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Landman Steward LLC located?

Landman Steward LLC's practice location on file with NPPES is 25 Marston St, Lawrence, MA 01841-2355.

What is Landman Steward LLC's phone number?

The practice phone number listed in the NPPES registry for Landman Steward LLC is (978) 686-2400.

Who is the authorized official for Landman Steward LLC?

The authorized official listed on Landman Steward LLC's NPPES record is Michael Landman, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Landman Steward LLC's NPI active?

Yes — Landman Steward LLC's NPI (1720523780) is active in the NPPES registry as of the last update on 2017-01-30.

OrganizationActive

Landman Steward LLC

NPI 1720523780 · Nephrology Physician · Lawrence, MA

Landman Steward LLC is a Nephrology Physician organization in Lawrence, MA (NPI 1720523780).

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)

Practice location

25 Marston St

Suite 403

Lawrence, MA 01841-2355

Phone: (978) 686-2400

Fax: (978) 685-4151

Street-level locationGet directions

More MA providers

Mailing address

25 Marston St

Lawrence, MA 01841-2355

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense 159775 (MA)
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.

Enumerated: 2016-12-30
Last updated: 2017-01-30

Frequently asked questions

What is Landman Steward LLC's NPI number?: Landman Steward LLC's National Provider Identifier (NPI) is 1720523780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Landman Steward LLC?: Landman Steward LLC is classified in the NPPES registry as Nephrology Physician (Allopathic & Osteopathic Physicians).
Where is Landman Steward LLC located?: Landman Steward LLC's practice location on file with NPPES is 25 Marston St, Lawrence, MA 01841-2355.
What is Landman Steward LLC's phone number?: The practice phone number listed in the NPPES registry for Landman Steward LLC is (978) 686-2400.
Who is the authorized official for Landman Steward LLC?: The authorized official listed on Landman Steward LLC's NPPES record is Michael Landman, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Landman Steward LLC's NPI active?: Yes — Landman Steward LLC's NPI (1720523780) is active in the NPPES registry as of the last update on 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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions