Donna Landtwing, M.D.
NPI 1356383616 · Psychiatry Physician · El Cajon, CA
Donna Landtwing, M.D. is a Psychiatry Physician provider in El Cajon, CA (NPI 1356383616).
Provider details
- NPI number
- 1356383616
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G57798 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-12
- Last updated
- 2022-01-25
- Certified
- 2022-01-25
Frequently asked questions
- What is Donna Landtwing's NPI number?
- Donna Landtwing's National Provider Identifier (NPI) is 1356383616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Landtwing's specialty?
- Donna Landtwing is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Donna Landtwing located?
- Donna Landtwing's practice location on file with NPPES is 1161 Monterey Dr, El Cajon, CA 92020-6718.
- What is Donna Landtwing's phone number?
- The practice phone number listed in the NPPES registry for Donna Landtwing is (619) 442-9949.
- Is Donna Landtwing's NPI active?
- Yes — Donna Landtwing's NPI (1356383616) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.