1. Home
  2. Directory
  3. Maryland
  4. Bethesda
  5. Nurse Practitioner
  6. NPI Profile

JOANNE MARIE PORWOLL NP
NPI 1033226873
Nurse Practitioner - Adult Health in Bethesda, MD

Active since August 25, 2006
WALTER REED NATIONAL MILITARY, 8901 WISCONSIN AVE, BLDG 19, DECK 5, BETHESDA, MD 20889(301) 295-5165(301) 295-5170 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2023, Jan 14, 2016 (2 updates tracked since 2016).

About Joanne Marie Porwoll Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOANNE MARIE PORWOLL NP (NPI 1033226873) is an individual adult health provider in Bethesda, Maryland, licensed in District Of Columbia (RN966468) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1033226873
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameJOANNE MARIE PORWOLLCredential: NP
Location AddressWALTER REED NATIONAL MILITARY, 8901 WISCONSIN AVE, BLDG 19, DECK 5Bethesda, MD 20889-0001
Mailing Address26 S Gordon StAlexandria, VA 22304-4930 · (703) 521-2181
Phone(301) 295-5165
Fax(301) 295-5170
Sole ProprietorNo
Enumeration DateAugust 25, 2006
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
✔ NPI 1033226873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in DC · RN966468
WALTER REED NATIONAL MILITARY, Bethesda, MD 20889
Open in Google Maps ↗

Other Identifiers 1

Medicaid0355333 00DC

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DEIRDRE AILEEN GEARY PHARM D
Pharmacist
WALTER REED NATIONAL MILITARY, 8901 WISCONSIN AVENUE
BETHESDA, MD 20889
Montgomery County (301) 295-2124

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joanne Porwoll's NPI number?

The NPI number for Joanne Porwoll is 1033226873. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Joanne Porwoll located?

Joanne Porwoll practices at Walter Reed National Military 8901 Wisconsin Ave, Bldg 19, Deck 5, Bethesda, MD 20889. The listed phone number is (301) 295-5165.

What is Joanne Porwoll's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for Joanne Porwoll was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.