OrganizationActive
Maxim Healthcare Services, Inc.
NPI 1720011638 · Home Health Agency · Mercer Island, WA
Maxim Healthcare Services, Inc. is a Home Health Agency organization in Mercer Island, WA (NPI 1720011638).
Provider details
- NPI number
- 1720011638
- Entity type
- Organization
- Primary specialty
- Home Health AgencyAgencies
- Organization subpart
- No
- Authorized official
- David Kowalczyk, Regional Controller(410) 910-1730
Specialties & taxonomies
Agencies
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
9655 Se 36th St
Suite 210
Mercer Island, WA 98040-3798
Phone: (206) 985-4625
Fax: (206) 527-5636
Street-level locationGet directions
Mailing address
7227 Lee Deforest Drive
Columbia, MD 21046-3405
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2013-08-22
Frequently asked questions
- What is Maxim Healthcare Services, Inc.'s NPI number?
- Maxim Healthcare Services, Inc.'s National Provider Identifier (NPI) is 1720011638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Maxim Healthcare Services, Inc.?
- Maxim Healthcare Services, Inc. is classified in the NPPES registry as Home Health Agency (Agencies).
- Where is Maxim Healthcare Services, Inc. located?
- Maxim Healthcare Services, Inc.'s practice location on file with NPPES is 9655 Se 36th St, Mercer Island, WA 98040-3798.
- What is Maxim Healthcare Services, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Maxim Healthcare Services, Inc. is (206) 985-4625.
- Who is the authorized official for Maxim Healthcare Services, Inc.?
- The authorized official listed on Maxim Healthcare Services, Inc.'s NPPES record is David Kowalczyk, Regional Controller. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Maxim Healthcare Services, Inc.'s NPI active?
- Yes — Maxim Healthcare Services, Inc.'s NPI (1720011638) is active in the NPPES registry as of the last update on 2013-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.