Arthur Hagan, M.D.
NPI 1811928021 · Cardiovascular Disease Physician · Stillwater, OK
Arthur Hagan, M.D. is a Cardiovascular Disease Physician provider in Stillwater, OK (NPI 1811928021).
Provider details
- NPI number
- 1811928021
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 15022 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-07-05
- Last updated
- 2020-03-10
- Certified
- 2020-03-10
Frequently asked questions
- What is Arthur Hagan's NPI number?
- Arthur Hagan's National Provider Identifier (NPI) is 1811928021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Hagan's specialty?
- Arthur Hagan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Hagan located?
- Arthur Hagan's practice location on file with NPPES is 1323 W 6th Ave Ste 201, Stillwater, OK 74074-4306.
- What is Arthur Hagan's phone number?
- The practice phone number listed in the NPPES registry for Arthur Hagan is (405) 743-2354.
- Is Arthur Hagan's NPI active?
- Yes — Arthur Hagan's NPI (1811928021) is active in the NPPES registry as of the last update on 2020-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.