OrganizationActive
Linn S Mcdonald DC Inc
NPI 1609536812 · Chiropractor · Walnut, CA
Linn S Mcdonald DC Inc is a Chiropractor organization in Walnut, CA (NPI 1609536812).
Provider details
- NPI number
- 1609536812
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Linn Mcdonald, Owner/ Doctor(909) 594-5243
Specialties & taxonomies
Chiropractic Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
302 S Lemon Ave
Walnut, CA 91789-2703
Phone: (909) 594-5243
Fax: (909) 594-5374
Street-level locationGet directions
Mailing address
302 S Lemon Ave
Walnut, CA 91789-2703
Registry dates
- Enumerated
- 2021-12-29
- Last updated
- 2021-12-29
- Certified
- 2021-12-29
Frequently asked questions
- What is Linn S Mcdonald DC Inc's NPI number?
- Linn S Mcdonald DC Inc's National Provider Identifier (NPI) is 1609536812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Linn S Mcdonald DC Inc?
- Linn S Mcdonald DC Inc is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Linn S Mcdonald DC Inc located?
- Linn S Mcdonald DC Inc's practice location on file with NPPES is 302 S Lemon Ave, Walnut, CA 91789-2703.
- What is Linn S Mcdonald DC Inc's phone number?
- The practice phone number listed in the NPPES registry for Linn S Mcdonald DC Inc is (909) 594-5243.
- Who is the authorized official for Linn S Mcdonald DC Inc?
- The authorized official listed on Linn S Mcdonald DC Inc's NPPES record is Linn Mcdonald, Owner/ Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Linn S Mcdonald DC Inc's NPI active?
- Yes — Linn S Mcdonald DC Inc's NPI (1609536812) is active in the NPPES registry as of the last update on 2021-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.