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Roger Mcwilliams, M.D.
NPI 1275502361 · Family Medicine Physician · Tustin, CA
Roger Mcwilliams, M.D. is a Family Medicine Physician provider in Tustin, CA (NPI 1275502361).
Provider details
- NPI number
- 1275502361
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A62597 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 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
18102 Irvine Blvd
Suite 105
Tustin, CA 92780-3402
Phone: (714) 832-0510
Street-level locationGet directions
Mailing address
1310 W Stewart Dr
Orange, CA 92868-3854
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2007-11-02
Frequently asked questions
- What is Roger Mcwilliams's NPI number?
- Roger Mcwilliams's National Provider Identifier (NPI) is 1275502361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Mcwilliams's specialty?
- Roger Mcwilliams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Mcwilliams located?
- Roger Mcwilliams's practice location on file with NPPES is 18102 Irvine Blvd, Tustin, CA 92780-3402.
- What is Roger Mcwilliams's phone number?
- The practice phone number listed in the NPPES registry for Roger Mcwilliams is (714) 832-0510.
- Is Roger Mcwilliams's NPI active?
- Yes — Roger Mcwilliams's NPI (1275502361) is active in the NPPES registry as of the last update on 2007-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.