Theresa Gerlach, CRNA
NPI 1023285764 · Certified Registered Nurse Anesthetist · Herndon, VA
Theresa Gerlach, CRNA is a Certified Registered Nurse Anesthetist provider in Herndon, VA (NPI 1023285764).
Provider details
- NPI number
- 1023285764
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 0024112462 (VA)
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
18 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
- 2008-05-12
- Last updated
- 2012-01-24
Frequently asked questions
- What is Theresa Gerlach's NPI number?
- Theresa Gerlach's National Provider Identifier (NPI) is 1023285764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Gerlach's specialty?
- Theresa Gerlach is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresa Gerlach located?
- Theresa Gerlach's practice location on file with NPPES is 13350 Franklin Farm Rd, Herndon, VA 20171-4091.
- What is Theresa Gerlach's phone number?
- The practice phone number listed in the NPPES registry for Theresa Gerlach is (703) 334-1010.
- Is Theresa Gerlach's NPI active?
- Yes — Theresa Gerlach's NPI (1023285764) is active in the NPPES registry as of the last update on 2012-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.