Sincere Mcmillan, DNP, NP
NPI 1447588371 · Nurse Practitioner · Stanford, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sincere Mcmillan, DNP, NP is a Nurse Practitioner provider in Stanford, CA (NPI 1447588371).
Provider details
- NPI number
- 1447588371
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 305126 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
345 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 | 181 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 148 | $110 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 16 | $74 |
Typical Medicare-allowed amounts for these services range $73–$110 (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
Additional practice locations (1)
- 120 W 106th StMedical DepartmentNew York, NY 10025-3923Phone: (212) 870-5000
Registry dates
- Enumerated
- 2009-12-04
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Sincere Mcmillan's NPI number?
- Sincere Mcmillan's National Provider Identifier (NPI) is 1447588371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sincere Mcmillan's specialty?
- Sincere Mcmillan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sincere Mcmillan located?
- Sincere Mcmillan's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Sincere Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Sincere Mcmillan is (650) 723-4000.
- Does Sincere Mcmillan accept Medicare?
- Sincere Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sincere Mcmillan's NPI active?
- Yes — Sincere Mcmillan's NPI (1447588371) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.