Charles Engelberg, M.D
NPI 1659616001 · Internal Medicine Physician · S.f., CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Engelberg, M.D is a Internal Medicine Physician provider in S.f., CA (NPI 1659616001).
Provider details
- NPI number
- 1659616001
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- A32494 (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
13 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
- 2012-12-11
- Last updated
- 2022-09-26
- Certified
- 2022-09-26
Frequently asked questions
- What is Charles Engelberg's NPI number?
- Charles Engelberg's National Provider Identifier (NPI) is 1659616001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Engelberg's specialty?
- Charles Engelberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Engelberg located?
- Charles Engelberg's practice location on file with NPPES is 767 North Point, S.f., CA 94109.
- What is Charles Engelberg's phone number?
- The practice phone number listed in the NPPES registry for Charles Engelberg is (415) 234-8460.
- Does Charles Engelberg accept Medicare?
- Charles Engelberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Engelberg's NPI active?
- Yes — Charles Engelberg's NPI (1659616001) is active in the NPPES registry as of the last update on 2022-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.