Don Duplan, MD
NPI 1598763062 · Otolaryngology Physician · Port Arthur, TX
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Don Duplan, MD is a Otolaryngology Physician provider in Port Arthur, TX (NPI 1598763062).
Provider details
- NPI number
- 1598763062
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G3317 (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
20 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
- 2005-07-08
- Last updated
- 2013-05-14
Frequently asked questions
- What is Don Duplan's NPI number?
- Don Duplan's National Provider Identifier (NPI) is 1598763062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Duplan's specialty?
- Don Duplan is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Don Duplan located?
- Don Duplan's practice location on file with NPPES is 2501 Jimmy Johnson Blvd, Port Arthur, TX 77640.
- What is Don Duplan's phone number?
- The practice phone number listed in the NPPES registry for Don Duplan is (409) 722-5000.
- Does Don Duplan accept Medicare?
- Don Duplan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Don Duplan's NPI active?
- Yes — Don Duplan's NPI (1598763062) is active in the NPPES registry as of the last update on 2013-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.