What is Ronald Fischer's NPI number?

Ronald Fischer's National Provider Identifier (NPI) is 1083735641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ronald Fischer's specialty?

Ronald Fischer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ronald Fischer located?

Ronald Fischer's practice location on file with NPPES is 3722 Jewell St, San Diego, CA 92109-6754.

What is Ronald Fischer's phone number?

The practice phone number listed in the NPPES registry for Ronald Fischer is (858) 273-1231.

Is Ronald Fischer's NPI active?

Yes — Ronald Fischer's NPI (1083735641) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Ronald Fischer, MD

NPI 1083735641 · Internal Medicine Physician · San Diego, CA

Ronald Fischer, MD is a Internal Medicine Physician provider in San Diego, CA (NPI 1083735641).

Provider details

NPI number: 1083735641
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: G35643 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense G35643 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

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

3722 Jewell St

San Diego, CA 92109-6754

Phone: (858) 273-1231

Street-level locationGet directions

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Mailing address