Douglas Mcmullen, MD
NPI 1881006765 · Internal Medicine Physician · The Hills, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Mcmullen, MD is a Internal Medicine Physician provider in The Hills, TX (NPI 1881006765).
Provider details
- NPI number
- 1881006765
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- F1810 (TX)
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
12 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
- 2014-05-27
- Last updated
- 2023-03-07
Frequently asked questions
- What is Douglas Mcmullen's NPI number?
- Douglas Mcmullen's National Provider Identifier (NPI) is 1881006765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Mcmullen's specialty?
- Douglas Mcmullen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Mcmullen located?
- Douglas Mcmullen's practice location on file with NPPES is 5 Harvest Meadow Ct, The Hills, TX 78738-1472.
- What is Douglas Mcmullen's phone number?
- The practice phone number listed in the NPPES registry for Douglas Mcmullen is (512) 327-4711.
- Does Douglas Mcmullen accept Medicare?
- Douglas Mcmullen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Mcmullen's NPI active?
- Yes — Douglas Mcmullen's NPI (1881006765) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.