Tommy H. Tomizawa, MD, Inc
NPI 1598830085 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tommy H. Tomizawa, MD, Inc is a Internal Medicine Physician organization in Los Angeles, CA (NPI 1598830085).
Provider details
- NPI number
- 1598830085
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tommy Tomizawa, President(310) 657-9356
- License
- A64986 (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
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
Registry dates
- Enumerated
- 2006-11-21
- Last updated
- 2020-08-22
Frequently asked questions
- What is Tommy H. Tomizawa, MD, Inc's NPI number?
- Tommy H. Tomizawa, MD, Inc's National Provider Identifier (NPI) is 1598830085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tommy H. Tomizawa, MD, Inc?
- Tommy H. Tomizawa, MD, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tommy H. Tomizawa, MD, Inc located?
- Tommy H. Tomizawa, MD, Inc's practice location on file with NPPES is 8635 W 3rd St, Los Angeles, CA 90048-6101.
- What is Tommy H. Tomizawa, MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Tommy H. Tomizawa, MD, Inc is (310) 657-9356.
- Does Tommy H. Tomizawa, MD, Inc accept Medicare?
- Tommy H. Tomizawa, MD, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Tommy H. Tomizawa, MD, Inc?
- The authorized official listed on Tommy H. Tomizawa, MD, Inc's NPPES record is Tommy Tomizawa, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tommy H. Tomizawa, MD, Inc's NPI active?
- Yes — Tommy H. Tomizawa, MD, Inc's NPI (1598830085) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.