Nadine Johnson-Giannopoulos, M.D.
NPI 1477524163 · Hematology & Oncology Physician · Dallas, TX
Nadine Johnson-Giannopoulos, M.D. is a Hematology & Oncology Physician provider in Dallas, TX (NPI 1477524163).
Provider details
- NPI number
- 1477524163
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- R8968 (MO)
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
- 2006-01-30
- Last updated
- 2016-03-15
Frequently asked questions
- What is Nadine Johnson-Giannopoulos's NPI number?
- Nadine Johnson-Giannopoulos's National Provider Identifier (NPI) is 1477524163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadine Johnson-Giannopoulos's specialty?
- Nadine Johnson-Giannopoulos is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nadine Johnson-Giannopoulos located?
- Nadine Johnson-Giannopoulos's practice location on file with NPPES is 818 Clermont St, Dallas, TX 75223-1214.
- What is Nadine Johnson-Giannopoulos's phone number?
- The practice phone number listed in the NPPES registry for Nadine Johnson-Giannopoulos is (913) 909-8889.
- Is Nadine Johnson-Giannopoulos's NPI active?
- Yes — Nadine Johnson-Giannopoulos's NPI (1477524163) is active in the NPPES registry as of the last update on 2016-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.