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ZOYA GRIGORYAN MD
NPI 1407484736
Hospitalist in New York, NY

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
100 EAST 77TH STREET, BLACK HALL 6, NEW YORK, NY 10075(212) 434-2000 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 4, 2025, Mar 31, 2020 (2 updates tracked since 2020).

About Zoya Grigoryan Md NPPES

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

ZOYA GRIGORYAN MD (NPI 1407484736) is an individual hospitalist provider in New York, New York, licensed in New York (325853) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of Cooper Medical School Of Rowan University (2020).

NPPES Registry Identity

NPI1407484736
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameZOYA GRIGORYANCredential: MD
Location Address100 EAST 77TH STREET, BLACK HALL 6New York, NY 10075
Mailing Address100 East 77th Street, Black Hall 6New York, NY 10075 · (212) 434-2000
Phone(212) 434-2000
Sole ProprietorNo
Medical School CMSCooper Medical School Of Rowan UniversityGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateNovember 4, 20252 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1407484736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NY · 325853
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 325853 (NY)
100 EAST 77TH STREET, 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

Zoya Grigoryan 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 ID5395182505
PECOS Enrollment IDI20240325000104
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 3

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 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.
74 services52 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.
40 services30 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.
23 services23 patients

Hospital Affiliations CMS Care Compare

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

Lenox Hill Hospital

Acute Care Hospitals · New York, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330119
Location100 East 77th StreetNew York, NY 10021 · New York 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.

Other Providers at the Same Location NPPES 13

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

PARK LENOX MEDICAL, PC
Internal Medicine
100 EAST 77TH STREET
NEW YORK, NY 10075
New York County (212) 434-3589
SHIVA RATTAN AMBARDAR MD
Student in an Organized Health Care Education/Training Program
100 EAST 77TH STREET
NEW YORK, NY 10075
New York County (212) 434-2624
MINEVE SIMON NURSING
Nurse Practitioner (Pediatrics)
100 EAST 77TH STREET
NEW YORK, NY 10075
New York County (212) 434-2640
VICTORIA REICHMAN MD
Pediatrics (Neonatal-Perinatal Medicine)
100 EAST 77TH STREET, DEPARTMENT OF PEDIATRICS
NEW YORK, NY 10075
New York County (212) 434-2135
MR. SUNDER SHAM MD
Pathology (Anatomic Pathology & Clinical Pathology)
100 EAST 77TH STREET
NEW YORK, NY 10075
New York County (212) 434-2000
MR. FIONN PATRICK DALY MB, BCH, BAO
Student in an Organized Health Care Education/Training Program
100 EAST 77TH STREET, LENOX HILL HOSPITAL (NORTHWELL HEALTH)
MANHATTAN, NY 10075
New York County (212) 434-4763
MRS. JOHANNA MARTINEZ NURSE PRACTITIONER
Nurse Practitioner (Family)
100 EAST 77TH STREET
NEW YORK, NY 10075
New York County (212) 434-2660
DR. ZACHARY BAYARD POWELL M.D.
Anesthesiology
100 EAST 77TH STREET, DEPARTMENT OF ANESTHESIOLOGY
NEW YORK, NY 10075
New York County (212) 434-4492

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 Zoya Grigoryan's NPI number?

The NPI number for Zoya Grigoryan is 1407484736. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Zoya Grigoryan located?

Zoya Grigoryan practices at 100 East 77th Street Black Hall 6, New York, NY 10075. The listed phone number is (212) 434-2000.

What is Zoya Grigoryan's specialty?

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

Is Zoya Grigoryan enrolled in Medicare?

Yes. Zoya Grigoryan 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 Zoya Grigoryan affiliated with any hospitals?

According to CMS data, Zoya Grigoryan is affiliated with Lenox Hill Hospital.

When was this NPI record last updated?

The NPPES record for Zoya Grigoryan was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.