Marlene Walker, CRNA
NPI 1639161805 · Anesthesiology Physician · Alexandria, VA
Marlene Walker, CRNA is a Anesthesiology Physician provider in Alexandria, VA (NPI 1639161805).
Provider details
- NPI number
- 1639161805
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 0024073729 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2005-08-16
- Last updated
- 2015-03-30
Frequently asked questions
- What is Marlene Walker's NPI number?
- Marlene Walker's National Provider Identifier (NPI) is 1639161805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Walker's specialty?
- Marlene Walker is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marlene Walker located?
- Marlene Walker's practice location on file with NPPES is 4320 Seminary Rd, Alexandria, VA 22304-1535.
- What is Marlene Walker's phone number?
- The practice phone number listed in the NPPES registry for Marlene Walker is (703) 504-3789.
- Is Marlene Walker's NPI active?
- Yes — Marlene Walker's NPI (1639161805) is active in the NPPES registry as of the last update on 2015-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.