Millicent King-Sullivan, FNP
NPI 1831861434 · Family Nurse Practitioner · Sparkill, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Millicent King-Sullivan, FNP is a Family Nurse Practitioner provider in Sparkill, NY (NPI 1831861434).
Provider details
- NPI number
- 1831861434
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- F347790-01 (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
4 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
64 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $88 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 14 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 14 | $163 |
Typical Medicare-allowed amounts for these services range $16–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-01
- Last updated
- 2021-10-01
- Certified
- 2021-09-15
Frequently asked questions
- What is Millicent King-Sullivan's NPI number?
- Millicent King-Sullivan's National Provider Identifier (NPI) is 1831861434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Millicent King-Sullivan's specialty?
- Millicent King-Sullivan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Millicent King-Sullivan located?
- Millicent King-Sullivan's practice location on file with NPPES is 6 Orient St, Sparkill, NY 10976-1404.
- What is Millicent King-Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Millicent King-Sullivan is (845) 494-5702.
- Does Millicent King-Sullivan accept Medicare?
- Millicent King-Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Millicent King-Sullivan's NPI active?
- Yes — Millicent King-Sullivan's NPI (1831861434) is active in the NPPES registry as of the last update on 2021-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.