NPPES file of Aug 9, 2026

Joanne Derdak, CRNP

Nurse Practitioner · Bethesda, MD

Joanne Derdak, CRNP is a nurse practitioner with a practice address in Bethesda, Maryland, and NPI 1902251390, issued on May 4, 2016. Check the license (Maryland R092399, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902251390
Name
Joanne Derdak
Credential
CRNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
R092399 MD
Self-reported in NPPES; status is on the state search
Practice location
9000 Rockville Pike, Bethesda, MD 20892
Phone
(301) 451-9157
Enumerated
May 4, 2016
Record last updated
May 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(301) 480-0572
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest nurse practitioner records → All 1,248 in Maryland → Look up another NPI →

Also registered at 9000 Rockville Pike

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ilias Alevizos, D.M.D.Dentist1609019223
  2. Eva BakerNeuroradiology Physician1225465248
  3. Sanjeeve Balasubramaniam, MDHematology & Oncology Physician1700099710
  4. Elizabeth Bartrum, RN CRNPRegistered Nurse1861455685
  5. F R Khaled Bin Satter, MD/PHDStudent in an Organized Health Care Education/Training Program1982481297
  6. Jenny Blau, MDInternal Medicine Physician1982838389

Verify Joanne Derdak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R092399    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Joanne Derdak among 1,248 nurse practitioner records in Maryland

Joanne Derdak, CRNP is one of 1,248 nurse practitioner records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 48% of them.

  • NPI issued2016 · 48% of these records are older, 49% newer
  • In a Medicare fileNo · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2016 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Maryland

There are 1,248 nurse practitioner records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,248 in Maryland → Every provider in Bethesda → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Kathie Bronson, CRNPBethesda, MD 208921255582953
  2. Lindsay Czajkowski, NP-CBethesda, MD 208921427676717
  3. Christopher DuboseBethesda, MD 208921902525991
  4. Cassandra Holmes, CRNP, FNP-CBethesda, MD 208921558961250
  5. Lacey James-EcheniqueBethesda, MD 208921811436306
  6. Stephanie Leimenstoll, FNP-CBethesda, MD 208921386140952
  7. Renee Levent, RN, BSN, MSN, FNP-BCBethesda, MD 208921437685823
  8. Grace Li, NP-CBethesda, MD 208921053814285

Common questions

What is Joanne Derdak, CRNP's NPI number?

Joanne Derdak, CRNP's National Provider Identifier (NPI) is 1902251390, issued on May 4, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Derdak, CRNP located?

The NPPES record lists a practice address at 9000 Rockville Pike, Bethesda, MD, 20892. Phone: (301) 451-9157. Providers update this record themselves, so call before visiting.

How can I verify Joanne Derdak, CRNP's license?

NPPES lists Maryland license number R092399, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.