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MARTHA KARETNY MD
NPI 1306806419
Internal Medicine in Brooklyn, NY

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment
726 AVENUE Z, SUITE 2, BROOKLYN, NY 11223(718) 872-7373(718) 872-6772 Get Directions Write a Review

NPPES record last updated: August 21, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Martha Karetny Md NPPES

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

MARTHA KARETNY MD (NPI 1306806419) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (204060) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1306806419
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARTHA KARETNYCredential: MD
Location Address726 AVENUE Z, SUITE 2Brooklyn, NY 11223-6322
Mailing Address3115 Brighton 4th St, Apt 3nBrooklyn, NY 11235-7265 · (718) 743-6956
Phone(718) 872-7373
Fax(718) 872-6772
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateMarch 23, 2006
Last NPPES UpdateAugust 21, 2008
✔ NPI 1306806419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 204060
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
726 AVENUE Z, Brooklyn, NY 11223
Open in Google Maps ↗

Other Identifiers 4

Medicaid01694715NY
Medicare ID-Type Unspecified18N16-1NY
Medicare UPING41141NY
Medicare OSCAR/certificationWGW841NY

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

Martha Karetny 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 ID8820986060
PECOS Enrollment IDI20040309000385
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.

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.
284 services51 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.
135 services45 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
82 services23 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
46 services18 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.
44 services27 patients
Face-to-face behavioral counseling for obesity, 15 minutes G0447
This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.
35 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11223 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 4

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
12 suppliers47 claims54 services$6.22 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers15 claims15 services$0.98 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
1 supplier12 claims24 services$5.53 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
2 suppliers15 claims20 services$185.24 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 7

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

ANNA MARINOVICH M.D.
Internal Medicine
726 AVENUE Z
BROOKLYN, NY 11223
Kings County (718) 872-7373
EUROPEAN PHYSICAL THERAPY P C
Clinic/Center (Physical Therapy)
726 AVENUE Z
BROOKLYN, NY 11223
Kings County (718) 616-0026
DENTAL STAR
Health Maintenance Organization
726 AVENUE Z
BROOKLYN, NY 11223
Kings County (718) 368-1800
ANDREW IVANSON M.D.
Psychiatry & Neurology (Neurology)
726 AVENUE Z
BROOKLYN, NY 11223
Kings County (718) 872-7373
HOPE AND HEALTH MEDICAL CARE PC
Internal Medicine
726 AVENUE Z, FIRST FLOOR, SUITE 2
BROOKLYN, NY 11223
Kings County (718) 872-7373
DR. EUGENE KORO DPT
Physical Therapist
726 AVENUE Z
BROOKLYN, NY 11223
Kings County (718) 616-0026
NY NEURORECOVERY
Psychiatry & Neurology (Neurology)
726 AVENUE Z
BROOKLYN, NY 11223
Kings County (718) 872-7373

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 Martha Karetny's NPI number?

The NPI number for Martha Karetny is 1306806419. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Martha Karetny located?

Martha Karetny practices at 726 Avenue Z Suite 2, Brooklyn, NY 11223. The listed phone number is (718) 872-7373.

What is Martha Karetny's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Martha Karetny enrolled in Medicare?

Yes. Martha Karetny 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.

When was this NPI record last updated?

The NPPES record for Martha Karetny was last updated on August 21, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.