John Fling, MD
NPI 1487619995 · Allergy Physician · Fort Worth, TX
John Fling, MD is a Allergy Physician provider in Fort Worth, TX (NPI 1487619995).
Provider details
- NPI number
- 1487619995
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- F1545 (TX)
Specialties & taxonomies
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
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
- 2006-04-18
- Last updated
- 2017-07-05
Frequently asked questions
- What is John Fling's NPI number?
- John Fling's National Provider Identifier (NPI) is 1487619995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Fling's specialty?
- John Fling is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is John Fling located?
- John Fling's practice location on file with NPPES is 855 Montgomery St, Fort Worth, TX 76107-2553.
- What is John Fling's phone number?
- The practice phone number listed in the NPPES registry for John Fling is (817) 735-2363.
- Is John Fling's NPI active?
- Yes — John Fling's NPI (1487619995) is active in the NPPES registry as of the last update on 2017-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.