1. Home
  2. Directory
  3. New York
  4. Lake Success
  5. Internal Medicine
  6. NPI Profile

STEVEN ALLEN
NPI 1558491944
Internal Medicine - Hematology & Oncology in Lake Success, NY

Active since March 06, 2007PECOS EnrolledAccepts Medicare Assignment
74.06/100
CMS Quality Rating
450 LAKEVILLE ROAD, THE MONTER CANCER CENTER, LAKE SUCCESS, NY 11042(516) 734-8959 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Steven Allen NPPES

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

STEVEN ALLEN (NPI 1558491944) is an individual hematology & oncology provider in Lake Success, New York, licensed in New York (134652) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Johns Hopkins University School Of Medicine (1977).

NPPES Registry Identity

NPI1558491944
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameSTEVEN ALLEN
Location Address450 LAKEVILLE ROAD, THE MONTER CANCER CENTERLake Success, NY 11042
Mailing Address450 Lakeville Road, The Monter Cancer CenterLake Success, NY 11042 · (516) 734-8959
Phone(516) 734-8959
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 1977
Enumeration DateMarch 6, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1558491944 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 · 134652
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.
450 LAKEVILLE ROAD, Lake Success, NY 11042
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Steven Allen 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 ID1456440635
PECOS Enrollment IDI20071211000649
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Steven Allen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore Health System Medical Faculty Group Practice Inc
Same address
Hematology & Oncology
450 LAKEVILLE RD
New Hyde Park, NY 11042
  • Reassigned Medicare billing, New York enrollment
  • 198 clinicians in this Medicare group
NPI 1003409061 (516) 734-8900
North Shore - Lij Medical PC
0.7 mi
Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1790043479 (516) 465-8089

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.
376 services201 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.
278 services91 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.
143 services102 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.
38 services38 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
26 services22 patients
Biopsy and aspiration of bone marrow sample for diagnosis 38222
A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.
20 services16 patients

Hospital Affiliations CMS Care Compare 2

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330195
Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11042 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.

74.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.17
Promoting Interoperability85
Improvement Activities40
Cost56.37

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.

ELIZABETH GOROWSKI NP
Registered Nurse
450 LAKEVILLE ROAD
LAKESCCESS, NY 11042
Nassau County (516) 734-8963
JANE CARLETON
Internal Medicine (Hematology & Oncology)
450 LAKEVILLE ROAD, THE MONTER CANCER CENTER
LAKE SUCCESS, NY 11042
Nassau County (516) 734-8967
VEENA JOHN
Internal Medicine (Hematology & Oncology)
450 LAKEVILLE ROAD, THE MONTER CANCER CENTER
LAKE SUCCESS, NY 11042
Nassau County (516) 734-8973
ELZBIETA GALANTY MS,RN, ANP-BC
Nurse Practitioner (Adult Health)
450 LAKEVILLE ROAD
LAKE SUCCESS, NY 11042
Nassau County (516) 734-8070
DANIEL BUDMAN
Internal Medicine (Hematology & Oncology)
450 LAKEVILLE ROAD, THE MONTER CANCER CENTER
LAKE SUCCESS, NY 11042
Nassau County (516) 734-8958
MS. BETSY TOMY PAUL NP
Nurse Practitioner (Adult Health)
450 LAKEVILLE ROAD, CENTER FOR ADVANCED MEDICINE AMBULATORY SURGERY CENTER
LAKE SUCCESS, NY 11042
Nassau County (516) 734-8070
JAMES D'OLIMPIO
Internal Medicine (Hematology & Oncology)
450 LAKEVILLE ROAD, THE MONTER CANCER CENTER
LAKE SUCCESS, NY 11042
Nassau County (516) 734-8906

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 Steven Allen's NPI number?

The NPI number for Steven Allen is 1558491944. It was assigned to this individual provider in the NPPES registry on March 6, 2007.

Where is Steven Allen located?

Steven Allen practices at 450 Lakeville Road The Monter Cancer Center, Lake Success, NY 11042. The listed phone number is (516) 734-8959.

What is Steven Allen's specialty?

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

Is Steven Allen enrolled in Medicare?

Yes. Steven Allen 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.

Which organizations bill Medicare for Steven Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Allen reassigns Medicare benefits to 2 organizations: North Shore Health System Medical Faculty Group Practice Inc (New Hyde Park, NY) and North Shore - Lij Medical PC (New Hyde Park, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Steven Allen affiliated with any hospitals?

According to CMS data, Steven Allen is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.

When was this NPI record last updated?

The NPPES record for Steven Allen 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.