John Flynn
NPI 1144263955 · Hospitalist Physician · Houston, TX
John Flynn is a Hospitalist Physician provider in Houston, TX (NPI 1144263955).
Provider details
- NPI number
- 1144263955
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036146844 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5841 S Maryland AveChicago, IL 60637-1443Phone: (888) 824-0200
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2023-02-27
- Certified
- 2023-02-27
Frequently asked questions
- What is John Flynn's NPI number?
- John Flynn's National Provider Identifier (NPI) is 1144263955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flynn's specialty?
- John Flynn is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is John Flynn located?
- John Flynn's practice location on file with NPPES is 6720 Bertner Ave, Houston, TX 77030-2604.
- What is John Flynn's phone number?
- The practice phone number listed in the NPPES registry for John Flynn is (823) 355-2666.
- Is John Flynn's NPI active?
- Yes — John Flynn's NPI (1144263955) is active in the NPPES registry as of the last update on 2023-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.