Activa Medical Center, Inc.
NPI 1700085412 · Internal Medicine Physician · Walnut Creek, CA
Activa Medical Center, Inc. is a Internal Medicine Physician organization in Walnut Creek, CA (NPI 1700085412).
Provider details
- NPI number
- 1700085412
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Harry Wong, President(650) 400-9887
- License
- 20A6227 (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
18 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)
- Former legal business name
- Constance Noel, D.O., Inc
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2007-11-01
Frequently asked questions
- What is Activa Medical Center, Inc.'s NPI number?
- Activa Medical Center, Inc.'s National Provider Identifier (NPI) is 1700085412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Activa Medical Center, Inc.?
- Activa Medical Center, Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Activa Medical Center, Inc. located?
- Activa Medical Center, Inc.'s practice location on file with NPPES is 1479 Ygnacio Valley Rd Ste 207, Walnut Creek, CA 94598-2945.
- What is Activa Medical Center, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Activa Medical Center, Inc. is (925) 946-1098.
- Who is the authorized official for Activa Medical Center, Inc.?
- The authorized official listed on Activa Medical Center, Inc.'s NPPES record is Harry Wong, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Activa Medical Center, Inc.'s NPI active?
- Yes — Activa Medical Center, Inc.'s NPI (1700085412) is active in the NPPES registry as of the last update on 2007-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.