Johanna Ascher Bartlett, M.D.
NPI 1104350289 · Pediatric Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johanna Ascher Bartlett, M.D. is a Pediatric Gastroenterology Physician provider in Los Angeles, CA (NPI 1104350289).
Provider details
- NPI number
- 1104350289
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2017-04-17
- Last updated
- 2020-08-10
- Certified
- 2020-08-10
Frequently asked questions
- What is Johanna Ascher Bartlett's NPI number?
- Johanna Ascher Bartlett's National Provider Identifier (NPI) is 1104350289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Ascher Bartlett's specialty?
- Johanna Ascher Bartlett is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Johanna Ascher Bartlett located?
- Johanna Ascher Bartlett's practice location on file with NPPES is 4650 W Sunset Blvd, Los Angeles, CA 90027-6062.
- What is Johanna Ascher Bartlett's phone number?
- The practice phone number listed in the NPPES registry for Johanna Ascher Bartlett is (323) 361-2181.
- Does Johanna Ascher Bartlett accept Medicare?
- Johanna Ascher Bartlett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johanna Ascher Bartlett's NPI active?
- Yes — Johanna Ascher Bartlett's NPI (1104350289) is active in the NPPES registry as of the last update on 2020-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.