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DR. MARY KATHLEEN O'KEEFFE M.D.
NPI 1881945541
Internal Medicine - Hematology & Oncology in Mineola, NY

Active since September 20, 2012PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
200 OLD COUNTRY RD, SUITE 450, MINEOLA, NY 11501(516) 663-9500(516) 663-4613 Get Directions Write a Review

NPPES record last updated: March 10, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mary Kathleen O'keeffe M.d. NPPES

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

DR. MARY KATHLEEN O'KEEFFE M.D. (NPI 1881945541) is an individual hematology & oncology provider in Mineola, New York, licensed in New York (266834) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1881945541
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MARY KATHLEEN O'KEEFFECredential: M.D.
Location Address200 OLD COUNTRY RD, SUITE 450Mineola, NY 11501-4235
Mailing Address200 0ld Country Road, 450Mineola, NY 11501
Phone(516) 663-9500
Fax(516) 663-4613
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateSeptember 20, 2012
Last NPPES UpdateMarch 10, 2021
NPPES CertifiedMarch 10, 2021
✔ NPI 1881945541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NY · 266834
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
200 OLD COUNTRY RD, Mineola, NY 11501
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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

Dr. Mary Kathleen O'keeffe M.d. 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 ID4385894112
PECOS Enrollment IDI20121101000074
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 10

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 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.
1,280 services316 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.
910 services278 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
188 services104 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.
92 services57 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
79 services79 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
47 services46 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11501 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
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.

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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

Referred Medical Equipment & Supplies CMS DME claims

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

Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038
DME-Other DME · category DE000N
1 supplier14 claims14 services$7.61 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.

STEPHEN P YANG M.D.
Internal Medicine (Nephrology)
200 OLD COUNTRY RD
MINEOLA, NY 11501
Nassau County (516) 663-2169
MICHAEL GARRISON M.D.
Internal Medicine (Hematology & Oncology)
200 OLD COUNTRY RD, SUITE 450
MINEOLA, NY 11501
Nassau County (516) 663-9500
MONICA DA SILVA OLIVEIRA PA-C
Physician Assistant
200 OLD COUNTRY RD
MINEOLA, NY 11501
Nassau County (516) 877-0977
TOBIRAS JERUSALEM BARAO WHITFIELD DDS
Student in an Organized Health Care Education/Training Program
200 OLD COUNTRY RD
MINEOLA, NY 11501
Nassau County (516) 663-2752
MRS. ABIGAIL ROSE MCNALL FNP
Nurse Practitioner (Family)
200 OLD COUNTRY RD, SUITE 370
MINEOLA, NY 11501
Nassau County (516) 663-4525
DR. STUART ROBERT SHERMAN D.O.
Dermatology
200 OLD COUNTRY RD, SUITE 366
MINEOLA, NY 11501
Nassau County (516) 741-1730
DR. MICHAEL LAWRENCE FRIEDMAN M.D.
Internal Medicine (Cardiovascular Disease)
200 OLD COUNTRY RD, SUITE 278
MINEOLA, NY 11501
Nassau County (516) 877-0977
BEHZAD PAIMANY MD
Internal Medicine (Cardiovascular Disease)
200 OLD COUNTRY RD, # 278
MINEOLA, NY 11501
Nassau County (516) 877-0977

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 Mary O'keeffe's NPI number?

The NPI number for Mary O'keeffe is 1881945541. It was assigned to this individual provider in the NPPES registry on September 20, 2012.

Where is Mary O'keeffe located?

Mary O'keeffe practices at 200 Old Country Rd Suite 450, Mineola, NY 11501. The listed phone number is (516) 663-9500.

What is Mary O'keeffe's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Mary O'keeffe enrolled in Medicare?

Yes. Mary O'keeffe 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 Mary O'keeffe affiliated with any hospitals?

According to CMS data, Mary O'keeffe is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Mary O'keeffe was last updated on March 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.