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DR. NAZISH ILYAS
NPI 1700100534
Hospitalist in New York, NY

Active since March 23, 2010PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
100 E 77TH ST, NEW YORK, NY 10075(917) 932-4508 Get Directions Write a Review

NPPES record last updated: April 1, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nazish Ilyas NPPES

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

DR. NAZISH ILYAS (NPI 1700100534) is an individual hospitalist provider in New York, New York, licensed in New York (271840) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Phelps Hospital, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1700100534
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. NAZISH ILYAS
Location Address100 E 77TH STNew York, NY 10075-1850
Mailing Address1775 York AveNew York, NY 10128-6900 · (917) 932-4508
Phone(917) 932-4508
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMarch 23, 2010
Last NPPES UpdateApril 1, 2014
✔ NPI 1700100534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NY · 271840
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
100 E 77TH ST, New York, NY 10075
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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

Dr. Nazish Ilyas 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 ID6901033158
PECOS Enrollment IDI20131213000197
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 5

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.

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.
156 services82 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.
43 services40 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
17 services15 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
16 services16 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.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

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 10075 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
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.

MRS. CATHERINE WILLIAMS HALL NURSE PRACTITIONER
Nurse Practitioner (Neonatal, Critical Care)
100 E 77TH ST
NEW YORK, NY 10075
New York County (212) 434-2000
MS. PUNAM SHERPA PA
Physician Assistant
100 E 77TH ST
NEW YORK, NY 10075
New York County (646) 752-1480
MARIA PUTILINA
Student in an Organized Health Care Education/Training Program
100 E 77TH ST
NEW YORK, NY 10075
New York County (212) 434-2150
LINDA MANGERA
Student in an Organized Health Care Education/Training Program
100 E 77TH ST
NEW YORK, NY 10075
New York County (212) 434-2000
JUSTIN WAN
Student in an Organized Health Care Education/Training Program
100 E 77TH ST
NEW YORK, NY 10075
New York County (212) 434-4763
AMANDA JEAN BATTISTA PA
Physician Assistant
100 E 77TH ST
NEW YORK, NY 10075
New York County (212) 434-2000
SAGAR MULAY
Anesthesiology
100 E 77TH ST
NEW YORK, NY 10075
New York County (731) 676-2644
REBECCA SAUNDERS AGACNP
Nurse Practitioner (Acute Care)
100 E 77TH ST
NEW YORK, NY 10075
New York County (212) 434-6500

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 Nazish Ilyas's NPI number?

The NPI number for Nazish Ilyas is 1700100534. It was assigned to this individual provider in the NPPES registry on March 23, 2010.

Where is Nazish Ilyas located?

Nazish Ilyas practices at 100 E 77th St, New York, NY 10075. The listed phone number is (917) 932-4508.

What is Nazish Ilyas's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Nazish Ilyas enrolled in Medicare?

Yes. Nazish Ilyas 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 Nazish Ilyas affiliated with any hospitals?

According to CMS data, Nazish Ilyas is affiliated with Phelps Hospital.

When was this NPI record last updated?

The NPPES record for Nazish Ilyas was last updated on April 1, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.