Quinlan Sievers, MD/PHD
NPI 1700346897 · Medical Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quinlan Sievers, MD/PHD is a Medical Oncology Physician provider in New York, NY (NPI 1700346897).
Provider details
- NPI number
- 1700346897
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 318552 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2019-03-23
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is Quinlan Sievers's NPI number?
- Quinlan Sievers's National Provider Identifier (NPI) is 1700346897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quinlan Sievers's specialty?
- Quinlan Sievers is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Quinlan Sievers located?
- Quinlan Sievers's practice location on file with NPPES is 1275 York Ave, New York, NY 10065-6007.
- What is Quinlan Sievers's phone number?
- The practice phone number listed in the NPPES registry for Quinlan Sievers is (212) 639-7900.
- Does Quinlan Sievers accept Medicare?
- Quinlan Sievers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quinlan Sievers's NPI active?
- Yes — Quinlan Sievers's NPI (1700346897) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.