Margaret Zwerling, M.D.
NPI 1811197775 · Child & Adolescent Psychiatry Physician · Camden, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Zwerling, M.D. is a Child & Adolescent Psychiatry Physician provider in Camden, ME (NPI 1811197775).
Provider details
- NPI number
- 1811197775
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 012813 (ME)
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
- 2007-07-19
- Last updated
- 2007-07-20
Frequently asked questions
- What is Margaret Zwerling's NPI number?
- Margaret Zwerling's National Provider Identifier (NPI) is 1811197775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Zwerling's specialty?
- Margaret Zwerling is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Zwerling located?
- Margaret Zwerling's practice location on file with NPPES is 21 Elm St, Camden, ME 04843-1949.
- What is Margaret Zwerling's phone number?
- The practice phone number listed in the NPPES registry for Margaret Zwerling is (207) 236-0868.
- Does Margaret Zwerling accept Medicare?
- Margaret Zwerling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Zwerling's NPI active?
- Yes — Margaret Zwerling's NPI (1811197775) is active in the NPPES registry as of the last update on 2007-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.