GILL L FREI MD
NPI 1477541761
Internal Medicine - Nephrology in Bronx, NY

Active since October 11, 2005PECOS EnrolledAccepts Medicare Assignment
1200 WATERS PL, SUITE M104, BRONX, NY 10461(718) 794-1200 Get Directions Write a Review

NPPES record last updated: May 26, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Gill L Frei Md NPPES

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

GILL L FREI MD (NPI 1477541761) is an individual nephrology provider in Bronx, New York, licensed in New York (168619) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of State University Of New York Downstate Medical Center (1984).

NPPES Registry Identity

NPI1477541761
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameGILL L FREICredential: MD
Location Address1200 WATERS PL, SUITE M104Bronx, NY 10461-2728
Mailing Address2452 Bronx Park EBronx, NY 10467-7503 · (718) 655-4956 · Fax (718) 652-8058
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1984
Enumeration DateOctober 11, 2005
Last NPPES UpdateMay 26, 2016
NPI 1477541761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in NY · 168619
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 168619 (NY)
1200 WATERS PL, Bronx, NY 10461

Other Identifiers 3

Medicare ID-Type Unspecified95F872NY
Medicaid01251725NY
Medicare UPINE94859

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

Gill L Frei 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 ID2365469434
PECOS Enrollment IDI20051027000927
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 8

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.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
171 services33 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
94 services59 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
77 services28 patients
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.
75 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
61 services44 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.
50 services18 patients

Hospital Affiliations CMS Care Compare

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

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10461 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 6

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
3 suppliers11 claims19 services$6.25 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers23 claims3,720 services$0.30 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims2,160 services$0.16 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers18 claims2,668 services$0.94 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
4 suppliers28 claims28 services$17.55 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers34 claims37 services$12.27 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.

Radiology (Diagnostic Radiology)
1200 WATERS PL, STE M108
BRONX, NY 10461
Physician Assistant
1200 WATERS PL
BRONX, NY 10461
Nurse Practitioner (Family)
1200 WATERS PL, M-104
BRONX, NY 10461
Physician Assistant
1200 WATERS PL
BRONX, NY 10461
Clinic/Center (Ambulatory Surgical)
1200 WATERS PL, SUITE 106
BRONX, NY 10461
Physician Assistant
1200 WATERS PL
BRONX, NY 10461
Radiology (Diagnostic Radiology)
1200 WATERS PL, SUITE M-108
BRONX, NY 10461
Physician Assistant
1200 WATERS PL
BRONX, NY 10461

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 Gill Frei's NPI number?

The NPI number for Gill Frei is 1477541761. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Gill Frei located?

Gill Frei practices at 1200 Waters Pl Suite M104, Bronx, NY 10461. The listed phone number is (718) 794-1200.

What is Gill Frei's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Gill Frei enrolled in Medicare?

Yes. Gill Frei 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 Gill Frei affiliated with any hospitals?

According to CMS data, Gill Frei is affiliated with Montefiore Medical Center.

When was this NPI record last updated?

The NPPES record for Gill Frei was last updated on May 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.