Healthcare Partners Affiliates Medical Group
NPI 1891981502 · Addiction Medicine (Internal Medicine) Physician · Tustin, CA
Healthcare Partners Affiliates Medical Group is a Addiction Medicine (Internal Medicine) Physician organization in Tustin, CA (NPI 1891981502).
Provider details
- NPI number
- 1891981502
- Entity type
- Organization
- Primary specialty
- Addiction Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Rebecca Schaumburg, Administrative Assistant(310) 525-3869
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
Other names (DBA / former)
- Doing business as
- Optum
Registry dates
- Enumerated
- 2007-09-18
- Last updated
- 2021-04-08
- Certified
- 2021-04-08
Frequently asked questions
- What is Healthcare Partners Affiliates Medical Group's NPI number?
- Healthcare Partners Affiliates Medical Group's National Provider Identifier (NPI) is 1891981502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Healthcare Partners Affiliates Medical Group?
- Healthcare Partners Affiliates Medical Group is classified in the NPPES registry as Addiction Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Healthcare Partners Affiliates Medical Group located?
- Healthcare Partners Affiliates Medical Group's practice location on file with NPPES is 14591 Newport Ave, Tustin, CA 92780-6001.
- What is Healthcare Partners Affiliates Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Healthcare Partners Affiliates Medical Group is (714) 442-4864.
- Who is the authorized official for Healthcare Partners Affiliates Medical Group?
- The authorized official listed on Healthcare Partners Affiliates Medical Group's NPPES record is Rebecca Schaumburg, Administrative Assistant. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Healthcare Partners Affiliates Medical Group's NPI active?
- Yes — Healthcare Partners Affiliates Medical Group's NPI (1891981502) is active in the NPPES registry as of the last update on 2021-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.