Mark Ellen, M.D.
NPI 1720181951 · Physical Medicine & Rehabilitation Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Sports Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ellen, M.D. is a Physical Medicine & Rehabilitation Physician provider in Atlanta, GA (NPI 1720181951).
Provider details
- NPI number
- 1720181951
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA06361300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
- 2006-09-06
- Last updated
- 2020-05-18
- Certified
- 2020-05-18
Frequently asked questions
- What is Mark Ellen's NPI number?
- Mark Ellen's National Provider Identifier (NPI) is 1720181951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ellen's specialty?
- Mark Ellen is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ellen located?
- Mark Ellen's practice location on file with NPPES is 2108 Alexander Cir Ne, Atlanta, GA 30326-1246.
- What is Mark Ellen's phone number?
- The practice phone number listed in the NPPES registry for Mark Ellen is (214) 952-3501.
- Does Mark Ellen accept Medicare?
- Mark Ellen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ellen's NPI active?
- Yes — Mark Ellen's NPI (1720181951) is active in the NPPES registry as of the last update on 2020-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.