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MRS. HALLIE GROTENSTEIN PA-C
NPI 1265816722
Physician Assistant in New York, NY

Active since July 15, 2015PECOS Enrolled
85.4/100
CMS Quality Rating
210 E 64TH ST, NEW YORK, NY 10065(212) 434-2730 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Hallie Grotenstein Pa-c NPPES

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

MRS. HALLIE GROTENSTEIN PA-C (NPI 1265816722) is an individual physician assistant in New York, New York, licensed in New York (018721) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265816722
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. HALLIE GROTENSTEINCredential: PA-C
Location Address210 E 64TH STNew York, NY 10065-7471
Mailing Address210 E 64th StNew York, NY 10065-7471 · (847) 302-5297
Phone(212) 434-2730
Sole ProprietorNo
Enumeration DateJuly 15, 2015
Last NPPES UpdateSeptember 19, 2025
NPPES CertifiedSeptember 19, 2025
✔ NPI 1265816722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in NY · 018721
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
210 E 64TH ST, New York, NY 10065
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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 (PECOS)

Mrs. Hallie Grotenstein Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10065 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
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.

85.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.71
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.

MARTA FABRYKOWSKI O.D
Optometrist
210 E 64TH ST
NEW YORK, NY 10065
New York County (212) 838-9200
LAUREN ALYSSA WONG
Student in an Organized Health Care Education/Training Program
210 E 64TH ST, PLASTIC SURGERY CENTER (FLOOR 3)
NEW YORK, NY 10065
New York County (347) 456-9207
CHRISTINE ANN JOHN PA
Physician Assistant
210 E 64TH ST
NEW YORK, NY 10065
New York County (516) 661-6760
EMILY SELENOW OD
Optometrist
210 E 64TH ST
NEW YORK, NY 10065
New York County (212) 702-7620
LUCAS KREUTZ RODRIGUES MD
Plastic Surgery
210 E 64TH ST
NEW YORK, NY 10065
New York County (212) 838-9200
DR. NIDHI PARASHAR PHD
Psychologist (Clinical)
210 E 64TH ST
NEW YORK, NY 10065
New York County (212) 434-3365
DR. AMI NORRIS-BRILLIANT PSYD
Clinical Neuropsychologist
210 E 64TH ST
NEW YORK, NY 10065
New York County (212) 434-6567
MS. ELIZABETH SABLE LCSW
Social Worker (Clinical)
210 E 64TH ST, 4TH FLOOR
NEW YORK, NY 10065
New York County (212) 434-3099

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 Hallie Grotenstein's NPI number?

The NPI number for Hallie Grotenstein is 1265816722. It was assigned to this individual provider in the NPPES registry on July 15, 2015.

Where is Hallie Grotenstein located?

Hallie Grotenstein practices at 210 E 64th St, New York, NY 10065. The listed phone number is (212) 434-2730.

What is Hallie Grotenstein's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Hallie Grotenstein enrolled in Medicare?

Yes. Hallie Grotenstein is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Hallie Grotenstein was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.