Joanne Derdak, CRNP
NPI 1902251390 · Nurse Practitioner · Bethesda, MD
Joanne Derdak, CRNP is a Nurse Practitioner provider in Bethesda, MD (NPI 1902251390).
Provider details
- NPI number
- 1902251390
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R092399 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-05-04
- Last updated
- 2016-05-04
Frequently asked questions
- What is Joanne Derdak's NPI number?
- Joanne Derdak's National Provider Identifier (NPI) is 1902251390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Derdak's specialty?
- Joanne Derdak is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joanne Derdak located?
- Joanne Derdak's practice location on file with NPPES is 9000 Rockville Pike, Bethesda, MD 20892-0001.
- What is Joanne Derdak's phone number?
- The practice phone number listed in the NPPES registry for Joanne Derdak is (301) 451-9157.
- Is Joanne Derdak's NPI active?
- Yes — Joanne Derdak's NPI (1902251390) is active in the NPPES registry as of the last update on 2016-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.