Mary Ann Knott-Grasso, M.S., C.P.N.P.
NPI 1679790810 · Nurse Practitioner · Baltimore, MD
Mary Ann Knott-Grasso, M.S., C.P.N.P. is a Nurse Practitioner provider in Baltimore, MD (NPI 1679790810).
Provider details
- NPI number
- 1679790810
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- M.S., C.P.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- R066260 (MD)
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
19 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
- 2007-04-19
- Last updated
- 2007-07-09
Frequently asked questions
- What is Mary Ann Knott-Grasso's NPI number?
- Mary Ann Knott-Grasso's National Provider Identifier (NPI) is 1679790810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Knott-Grasso's specialty?
- Mary Ann Knott-Grasso is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ann Knott-Grasso located?
- Mary Ann Knott-Grasso's practice location on file with NPPES is Harriet Lane Clinic, Johns Hopkins University, Baltimore, MD 21287.
- What is Mary Ann Knott-Grasso's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Knott-Grasso is (410) 955-5710.
- Is Mary Ann Knott-Grasso's NPI active?
- Yes — Mary Ann Knott-Grasso's NPI (1679790810) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.