IndividualActive
Nana Barnes, MD
NPI 1063900520 · Internal Medicine Physician · Rohnert Park, CA
Provider details
- NPI number
- 1063900520
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A173974 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
5900 State Farm Dr
Rohnert Park, CA 94928-2149
Phone: (707) 303-3600
Fax: (707) 303-3611
Street-level locationGet directions
Mailing address
5900 State Farm Dr
Rohnert Park, CA 94928-2149
Additional practice locations (1)
- 34 Mark West Springs RdSanta Rosa, CA 95403-1766Phone: (707) 303-3600Fax: (707) 303-3611
Registry dates
- Enumerated
- 2018-04-30
- Last updated
- 2024-03-27
- Certified
- 2024-03-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.