Ronald Johanson, Thomas Wilson, James Maclaren Ptrs
NPI 1538298575 · Family Medicine Physician · Turlock, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Johanson, Thomas Wilson, James Maclaren Ptrs is a Family Medicine Physician organization in Turlock, CA (NPI 1538298575).
Provider details
- NPI number
- 1538298575
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Monica Kahler, Practice Administrator(209) 668-4101
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Other names (DBA / former)
- Other name
- Family Medical Group
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2009-10-26
Frequently asked questions
- What is Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's NPI number?
- Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's National Provider Identifier (NPI) is 1538298575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ronald Johanson, Thomas Wilson, James Maclaren Ptrs?
- Ronald Johanson, Thomas Wilson, James Maclaren Ptrs is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Johanson, Thomas Wilson, James Maclaren Ptrs located?
- Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's practice location on file with NPPES is 911 E Tuolumne Rd, Turlock, CA 95382-1543.
- What is Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's phone number?
- The practice phone number listed in the NPPES registry for Ronald Johanson, Thomas Wilson, James Maclaren Ptrs is (209) 668-4101.
- Does Ronald Johanson, Thomas Wilson, James Maclaren Ptrs accept Medicare?
- Ronald Johanson, Thomas Wilson, James Maclaren Ptrs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ronald Johanson, Thomas Wilson, James Maclaren Ptrs?
- The authorized official listed on Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's NPPES record is Monica Kahler, Practice Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's NPI active?
- Yes — Ronald Johanson, Thomas Wilson, James Maclaren Ptrs's NPI (1538298575) is active in the NPPES registry as of the last update on 2009-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.