Jana Zawadzki Longtine, MD
NPI 1346654365 · Internal Medicine Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jana Zawadzki Longtine, MD is a Internal Medicine Physician provider in Long Beach, CA (NPI 1346654365).
Provider details
- NPI number
- 1346654365
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A139088 (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
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Additional practice locations (4)
- 1050 Linden AveLong Beach, CA 90813-3321Phone: (866) 868-4899Fax: (888) 345-2214
- 1050 Linden AveLong Beach, CA 90813-3321Phone: (866) 868-4899Fax: (888) 345-2214
- 2801 Atlantic AveLong Beach, CA 90806-1701Phone: (866) 868-4899Fax: (888) 345-2214
- 7071 Warner Ave Suite F#440Huntington Beach, CA 92647Phone: (866) 868-4899Fax: (888) 345-2214
Registry dates
- Enumerated
- 2014-06-18
- Last updated
- 2026-01-17
- Certified
- 2026-01-17
Frequently asked questions
- What is Jana Zawadzki Longtine's NPI number?
- Jana Zawadzki Longtine's National Provider Identifier (NPI) is 1346654365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jana Zawadzki Longtine's specialty?
- Jana Zawadzki Longtine is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jana Zawadzki Longtine located?
- Jana Zawadzki Longtine's practice location on file with NPPES is 2699 Atlantic Ave, Long Beach, CA 90806-2710.
- What is Jana Zawadzki Longtine's phone number?
- The practice phone number listed in the NPPES registry for Jana Zawadzki Longtine is (562) 426-3333.
- Does Jana Zawadzki Longtine accept Medicare?
- Jana Zawadzki Longtine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jana Zawadzki Longtine's NPI active?
- Yes — Jana Zawadzki Longtine's NPI (1346654365) is active in the NPPES registry as of the last update on 2026-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.