Sandra Mertz, PA-C
NPI 1104135698 · Physician Assistant · Washington, DC
Sandra Mertz, PA-C is a Physician Assistant provider in Washington, DC (NPI 1104135698).
Provider details
- NPI number
- 1104135698
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA030648 (DC)
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
15 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
- 2010-09-30
- Last updated
- 2010-09-30
Frequently asked questions
- What is Sandra Mertz's NPI number?
- Sandra Mertz's National Provider Identifier (NPI) is 1104135698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Mertz's specialty?
- Sandra Mertz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra Mertz located?
- Sandra Mertz's practice location on file with NPPES is 2141 K St Nw Ste 501, Washington, DC 20037-1810.
- What is Sandra Mertz's phone number?
- The practice phone number listed in the NPPES registry for Sandra Mertz is (202) 994-6827.
- Is Sandra Mertz's NPI active?
- Yes — Sandra Mertz's NPI (1104135698) is active in the NPPES registry as of the last update on 2010-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.