DR. GILLIAN KATZ MD
NPI 1386643625
Internal Medicine - Endocrinology, Diabetes & Metabolism in New York, NY

Active since July 19, 2005PECOS Enrolled
317 E 34TH ST, NEW YORK, NY 10016(212) 981-7210(212) 209-3210 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gillian Katz Md NPPES

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

DR. GILLIAN KATZ MD (NPI 1386643625) is an individual endocrinology, diabetes & metabolism provider in New York, New York, licensed in New York (183999) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386643625
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. GILLIAN KATZCredential: MD
Location Address317 E 34TH STNew York, NY 10016-4974
Mailing Address317 E 34th StNew York, NY 10016-4974 · (212) 981-7210 · Fax (212) 209-3210
Fax(212) 209-3210
Sole ProprietorNo
Enumeration DateJuly 19, 2005
Last NPPES UpdateJuly 8, 2007
NPI 1386643625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in NY · 183999
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
317 E 34TH ST, New York, NY 10016

Other Identifiers 3

Medicaid01374758NY
Medicare ID-Type Unspecified56K641NY
Medicare UPINF26411NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Gillian Katz Md 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 10016 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
15 suppliers35 claims167 services$6.37 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers15 claims41 services$1.14 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
4 suppliers50 claims50 services$182.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Family Medicine
317 E 34TH ST
NEW YORK, NY 10016
Nurse Practitioner (Adult Health)
317 E 34TH ST
NEW YORK, NY 10016
Nurse Practitioner (Pediatrics)
317 E 34TH ST
NEW YORK, NY 10016
Dermatology
317 E 34TH ST
NEW YORK, NY 10016
Specialist
317 E 34TH ST, 11TH FLOOR
NEW YORK, NY 10016
Internal Medicine
317 E 34TH ST
NEW YORK, NY 10016
Nurse Practitioner (Family)
317 E 34TH ST
NEW YORK, NY 10016
Family Medicine
317 E 34TH ST
NEW YORK, NY 10016

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 Gillian Katz's NPI number?

The NPI number for Gillian Katz is 1386643625. It was assigned to this individual provider in the NPPES registry on July 19, 2005.

Where is Gillian Katz located?

Gillian Katz practices at 317 E 34th St, New York, NY 10016. The listed phone number is (212) 981-7210.

What is Gillian Katz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Gillian Katz enrolled in Medicare?

Yes. Gillian Katz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gillian Katz was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.