Nancy Mills, MD
NPI 1992775795 · Medical Oncology Physician · Sleepy Hollow, NY
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Mills, MD is a Medical Oncology Physician provider in Sleepy Hollow, NY (NPI 1992775795).
Provider details
- NPI number
- 1992775795
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 175145 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
773 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 324 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 264 | $114 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 97 | $171 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $93 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $155 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 195 | 56 |
| Exemestane | 55 | 17 |
| Potassium Chloride | 50 | 16 |
| Letrozole | 47 | 19 |
| Gabapentin | 38 | 11 |
| Abemaciclibbrand: Verzenio | 38 | — |
| Dexamethasone | 31 | 16 |
| Palbociclibbrand: Ibrance | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$981 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2023-11-30
- Certified
- 2023-11-30
Frequently asked questions
- What is Nancy Mills's NPI number?
- Nancy Mills's National Provider Identifier (NPI) is 1992775795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Mills's specialty?
- Nancy Mills is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Mills located?
- Nancy Mills's practice location on file with NPPES is 777 N Broadway, Sleepy Hollow, NY 10591-1000.
- What is Nancy Mills's phone number?
- The practice phone number listed in the NPPES registry for Nancy Mills is (646) 227-3813.
- Does Nancy Mills accept Medicare?
- Nancy Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Mills's NPI active?
- Yes — Nancy Mills's NPI (1992775795) is active in the NPPES registry as of the last update on 2023-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.