Mark Ray MD Dermatology PLLC
NPI 1619560844 · Dermatology Physician · Little Elm, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ray MD Dermatology PLLC is a Dermatology Physician organization in Little Elm, TX (NPI 1619560844).
Provider details
- NPI number
- 1619560844
- Entity type
- Organization
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Ray, Owner(972) 988-9945
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
5 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
- 2021-02-18
- Last updated
- 2021-04-13
- Certified
- 2021-03-15
Frequently asked questions
- What is Mark Ray MD Dermatology PLLC's NPI number?
- Mark Ray MD Dermatology PLLC's National Provider Identifier (NPI) is 1619560844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Ray MD Dermatology PLLC?
- Mark Ray MD Dermatology PLLC is classified in the NPPES registry as Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ray MD Dermatology PLLC located?
- Mark Ray MD Dermatology PLLC's practice location on file with NPPES is 2601 Little Elm Pkwy, Little Elm, TX 75068-6677.
- What is Mark Ray MD Dermatology PLLC's phone number?
- The practice phone number listed in the NPPES registry for Mark Ray MD Dermatology PLLC is (972) 988-9945.
- Does Mark Ray MD Dermatology PLLC accept Medicare?
- Mark Ray MD Dermatology PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark Ray MD Dermatology PLLC?
- The authorized official listed on Mark Ray MD Dermatology PLLC's NPPES record is Mark Ray, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Ray MD Dermatology PLLC's NPI active?
- Yes — Mark Ray MD Dermatology PLLC's NPI (1619560844) is active in the NPPES registry as of the last update on 2021-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.