Margaret Deroos, DO
NPI 1295298875 · Family Medicine Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Deroos, DO is a Family Medicine Physician provider in Johnson City, TN (NPI 1295298875).
Provider details
- NPI number
- 1295298875
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 4950 (TN)
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
7 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
- 2019-04-10
- Last updated
- 2024-07-03
- Certified
- 2024-07-03
Frequently asked questions
- What is Margaret Deroos's NPI number?
- Margaret Deroos's National Provider Identifier (NPI) is 1295298875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Deroos's specialty?
- Margaret Deroos is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Deroos located?
- Margaret Deroos's practice location on file with NPPES is 205 Summer Rose Ln, Johnson City, TN 37601-5356.
- What is Margaret Deroos's phone number?
- The practice phone number listed in the NPPES registry for Margaret Deroos is (256) 226-0236.
- Does Margaret Deroos accept Medicare?
- Margaret Deroos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Deroos's NPI active?
- Yes — Margaret Deroos's NPI (1295298875) is active in the NPPES registry as of the last update on 2024-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.