Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marissa Digregorio, DNP, AGNP

Individual provider Adult Health Nurse Practitioner · NPI 1700561321

Marissa Digregorio, DNP, AGNP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2022, 4 years ago. Practices with American Multispecialty Group Inc, a 118-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
4
Licensed in
MO
In the registry since
2023
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
AGNP — Adult-Gerontology Nurse Practitioner
A nurse practitioner focused on adults and older people.

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Practice location Address checks out

5034 Griffin Rd
Saint Louis, MO 63128-3418
Phone: (314) 843-7333
Fax: (314) 843-9946
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 2023027196 (MO)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence 2023027196 (MO)

Record details

NPI number1700561321
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , AGNP
Sole proprietorNo
NPI enumeratedJune 20, 2023
Last updated in NPPESJanuary 16, 2026
Certification dateJanuary 16, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice American Multispecialty Group Inc — 118 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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