Jillian Marks, DNP, AGNP
NPI 1235650151 · Adult Health Nurse Practitioner · Buffalo, NY
Jillian Marks, DNP, AGNP is a Adult Health Nurse Practitioner provider in Buffalo, NY (NPI 1235650151).
Provider details
- NPI number
- 1235650151
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, AGNP
- Sex
- Female
- Sole proprietor
- No
- License
- 308221 (NY)
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
8 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
- 2017-06-30
- Last updated
- 2022-07-21
Frequently asked questions
- What is Jillian Marks's NPI number?
- Jillian Marks's National Provider Identifier (NPI) is 1235650151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jillian Marks's specialty?
- Jillian Marks is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jillian Marks located?
- Jillian Marks's practice location on file with NPPES is 564 Niagara St, Buffalo, NY 14201-1108.
- What is Jillian Marks's phone number?
- The practice phone number listed in the NPPES registry for Jillian Marks is (716) 882-0366.
- Is Jillian Marks's NPI active?
- Yes — Jillian Marks's NPI (1235650151) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.