IndividualActive
Charles Lopez, MD
NPI 1184673170 · Anesthesiology Physician · Castro Valley, CA
Charles Lopez, MD is a Anesthesiology Physician provider in Castro Valley, CA (NPI 1184673170).
Provider details
- NPI number
- 1184673170
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G71995 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
20998 Redwood Rd
Castro Valley, CA 94546-5918
Phone: (510) 538-2828
Fax: (510) 538-2508
Street-level locationGet directions
Mailing address
Po Box 39000
San Francisco, CA 94139-0001
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2009-01-27
Frequently asked questions
- What is Charles Lopez's NPI number?
- Charles Lopez's National Provider Identifier (NPI) is 1184673170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Lopez's specialty?
- Charles Lopez is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Lopez located?
- Charles Lopez's practice location on file with NPPES is 20998 Redwood Rd, Castro Valley, CA 94546-5918.
- What is Charles Lopez's phone number?
- The practice phone number listed in the NPPES registry for Charles Lopez is (510) 538-2828.
- Is Charles Lopez's NPI active?
- Yes — Charles Lopez's NPI (1184673170) is active in the NPPES registry as of the last update on 2009-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.