Mary Underhill, CSA
NPI 1538344478 · Surgical Physician Assistant · Richmond, VA
Mary Underhill, CSA is a Surgical Physician Assistant provider in Richmond, VA (NPI 1538344478).
Provider details
- NPI number
- 1538344478
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CSA
- Sex
- Female
- Sole proprietor
- No
- License
- 1149 (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
- 2008-01-09
- Last updated
- 2008-01-09
Frequently asked questions
- What is Mary Underhill's NPI number?
- Mary Underhill's National Provider Identifier (NPI) is 1538344478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Underhill's specialty?
- Mary Underhill is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Underhill located?
- Mary Underhill's practice location on file with NPPES is 3913 Morton Dr, Richmond, VA 23223-1287.
- What is Mary Underhill's phone number?
- The practice phone number listed in the NPPES registry for Mary Underhill is (804) 239-8208.
- Is Mary Underhill's NPI active?
- Yes — Mary Underhill's NPI (1538344478) is active in the NPPES registry as of the last update on 2008-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.