Kelsey Marks, MSN, APRN, NP-C, OCN
NPI 1558972943 · Family Nurse Practitioner · Syracuse, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelsey Marks, MSN, APRN, NP-C, OCN is a Family Nurse Practitioner provider in Syracuse, NY (NPI 1558972943).
Provider details
- NPI number
- 1558972943
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, NP-C, OCN
- Sex
- Female
- Sole proprietor
- No
- License
- F345946-01 (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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
473 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 267 | $64 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 66 | $137 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 66 | $40 |
| Advance Care Planning, First 30 Minutes99497 | 47 | $60 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 14 | $96 |
| Advance Care Planning, Each Additional 30 Minutes99498 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-11
- Last updated
- 2020-08-11
- Certified
- 2020-08-11
Frequently asked questions
- What is Kelsey Marks's NPI number?
- Kelsey Marks's National Provider Identifier (NPI) is 1558972943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelsey Marks's specialty?
- Kelsey Marks is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kelsey Marks located?
- Kelsey Marks's practice location on file with NPPES is 750 E Adams St, Syracuse, NY 13210-2306.
- What is Kelsey Marks's phone number?
- The practice phone number listed in the NPPES registry for Kelsey Marks is (315) 464-5540.
- Does Kelsey Marks accept Medicare?
- Kelsey Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelsey Marks's NPI active?
- Yes — Kelsey Marks's NPI (1558972943) is active in the NPPES registry as of the last update on 2020-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.