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NANCY E MILLS MD
NPI 1992775795
Internal Medicine - Medical Oncology in Sleepy Hollow, NY

Active since January 24, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
777 N BROADWAY, SLEEPY HOLLOW, NY 10591(646) 227-3813 Get Directions Write a Review

NPPES record last updated: November 30, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nancy E Mills Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NANCY E MILLS MD (NPI 1992775795) is an individual medical oncology provider in Sleepy Hollow, New York, licensed in New York (175145) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (1987).

NPPES Registry Identity

NPI1992775795
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameNANCY E MILLSCredential: MD
Location Address777 N BROADWAYSleepy Hollow, NY 10591-1000
Mailing Address633 3rd Ave, Box 3New York, NY 10017-6706
Phone(646) 227-3813
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1987
Enumeration DateJanuary 24, 2006
Last NPPES UpdateNovember 30, 2023
NPPES CertifiedNovember 30, 2023
✔ NPI 1992775795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in NY · 175145
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
777 N BROADWAY, Sleepy Hollow, NY 10591
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nancy E Mills Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193919371
PECOS Enrollment IDI20101102000020
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
264 services111 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
97 services47 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
45 services20 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
17 services14 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330261
Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10591 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIETA STUMPF MS, CCC-SLP
Speech-Language Pathologist
777 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3010
PHILIP C CARON MD
Internal Medicine (Medical Oncology)
777 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (212) 639-2000
DR. ANJALI ANKOLEKAR MD
Obstetrics & Gynecology
777 N BROADWAY, SUITE 308
SLEEPY HOLLOW, NY 10591
Westchester County (914) 631-0908
DR. LOUIS ANTHONY BUZZEO MD
Internal Medicine (Nephrology)
777 N BROADWAY, SUITE 203
SLEEPY HOLLOW, NY 10591
Westchester County (914) 332-9100
BORIS A MUELLER MD
Radiology (Radiation Oncology)
777 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (212) 639-2000
WESTCHESTER INTERNAL MEDICINE PC
Internal Medicine
777 N BROADWAY, SUITE 310
SLEEPY HOLLOW, NY 10591
Westchester County (914) 333-0034
HUDSON VALLEY SURGICAL GROUP, LLP
Surgery
777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591
Westchester County (914) 631-3660
PHELPS MEMORIAL HOSPITAL
General Acute Care Hospital
777 N BROADWAY, SUITE 303
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3011

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nancy Mills's NPI number?

The NPI number for Nancy Mills is 1992775795. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Where is Nancy Mills located?

Nancy Mills practices at 777 N Broadway, Sleepy Hollow, NY 10591. The listed phone number is (646) 227-3813.

What is Nancy Mills's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Nancy Mills enrolled in Medicare?

Yes. Nancy Mills is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Nancy Mills affiliated with any hospitals?

According to CMS data, Nancy Mills is affiliated with New York-Presbyterian Hospital and Phelps Hospital.

When was this NPI record last updated?

The NPPES record for Nancy Mills was last updated on November 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.