Paul Riordan, MD
NPI 1851634364 · Psychiatry Physician · Durham, NC
Paul Riordan, MD is a Psychiatry Physician provider in Durham, NC (NPI 1851634364).
Provider details
- NPI number
- 1851634364
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- NOTPROVIDED (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Hospice and Palliative Medicine (Psychiatry & Neurology) Physician2084H0002XLicense NOTPROVIDED (NC)
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
13 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
- 2013-04-03
- Last updated
- 2025-07-29
- Certified
- 2025-07-29
Frequently asked questions
- What is Paul Riordan's NPI number?
- Paul Riordan's National Provider Identifier (NPI) is 1851634364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Riordan's specialty?
- Paul Riordan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Riordan located?
- Paul Riordan's practice location on file with NPPES is 508 Fulton St, Durham, NC 27705-3875.
- What is Paul Riordan's phone number?
- The practice phone number listed in the NPPES registry for Paul Riordan is (919) 286-0411.
- Is Paul Riordan's NPI active?
- Yes — Paul Riordan's NPI (1851634364) is active in the NPPES registry as of the last update on 2025-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.