IndividualActive
Melissa Barker, MD
NPI 1619460151 · Internal Medicine Physician · Oakland, CA
Melissa Barker, MD is a Internal Medicine Physician provider in Oakland, CA (NPI 1619460151).
Provider details
- NPI number
- 1619460151
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G59797 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(68/100 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
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
1955 San Pablo Ave
Oakland, CA 94612-1367
Phone: (510) 433-1160
Fax: (510) 452-8836
Street-level locationGet directions
Mailing address
20 Rosewood Dr
San Francisco, CA 94127-2012
Registry dates
- Enumerated
- 2018-06-10
- Last updated
- 2019-06-11
Frequently asked questions
- What is Melissa Barker's NPI number?
- Melissa Barker's National Provider Identifier (NPI) is 1619460151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Barker's specialty?
- Melissa Barker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Barker located?
- Melissa Barker's practice location on file with NPPES is 1955 San Pablo Ave, Oakland, CA 94612-1367.
- What is Melissa Barker's phone number?
- The practice phone number listed in the NPPES registry for Melissa Barker is (510) 433-1160.
- Is Melissa Barker's NPI active?
- Yes — Melissa Barker's NPI (1619460151) is active in the NPPES registry as of the last update on 2019-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.