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Ronald Julis, M.D.
NPI 1053311167 · Internal Medicine Physician · Napa, CA
Ronald Julis, M.D. is a Internal Medicine Physician provider in Napa, CA (NPI 1053311167).
Provider details
- NPI number
- 1053311167
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OOG273880 (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
3273 Claremont Way Ste 201
Napa, CA 94558-3329
Phone: (707) 252-0313
Fax: (707) 252-0320
Street-level locationGet directions
Mailing address
3273 Claremont Way Ste 201
Napa, CA 94558-3329
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2013-08-14
Frequently asked questions
- What is Ronald Julis's NPI number?
- Ronald Julis's National Provider Identifier (NPI) is 1053311167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Julis's specialty?
- Ronald Julis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Julis located?
- Ronald Julis's practice location on file with NPPES is 3273 Claremont Way Ste 201, Napa, CA 94558-3329.
- What is Ronald Julis's phone number?
- The practice phone number listed in the NPPES registry for Ronald Julis is (707) 252-0313.
- Is Ronald Julis's NPI active?
- Yes — Ronald Julis's NPI (1053311167) is active in the NPPES registry as of the last update on 2013-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.