Vanessa Tatum, M.D.
NPI 1558443648 · Internal Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vanessa Tatum, M.D. is a Internal Medicine Physician provider in Garden Grove, CA (NPI 1558443648).
Provider details
- NPI number
- 1558443648
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G49258 (CA)
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
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Vanessa Tatum's NPI number?
- Vanessa Tatum's National Provider Identifier (NPI) is 1558443648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vanessa Tatum's specialty?
- Vanessa Tatum is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vanessa Tatum located?
- Vanessa Tatum's practice location on file with NPPES is 10281 Chapman Ave, Garden Grove, CA 92840-2944.
- What is Vanessa Tatum's phone number?
- The practice phone number listed in the NPPES registry for Vanessa Tatum is (714) 530-4489.
- Does Vanessa Tatum accept Medicare?
- Vanessa Tatum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vanessa Tatum's NPI active?
- Yes — Vanessa Tatum's NPI (1558443648) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.