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DR. STEVEN JAY ISAKOFF MD PHD
NPI 1447205042
Internal Medicine - Hematology & Oncology in Boston, MA

Active since May 23, 2006PECOS EnrolledAccepts Medicare Assignment
55 FRUIT ST, YAWKEY 9A, BOSTON, MA 02114(617) 726-6500(617) 724-1079 Get Directions Write a Review

NPPES record last updated: April 22, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Steven Jay Isakoff Md Phd NPPES

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

DR. STEVEN JAY ISAKOFF MD PHD (NPI 1447205042) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (218952) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of New York University School Of Medicine (2000).

NPPES Registry Identity

NPI1447205042
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. STEVEN JAY ISAKOFFCredential: MD PHD
Location Address55 FRUIT ST, YAWKEY 9ABoston, MA 02114-2621
Mailing AddressPo Box 9142, Mass General Physicians Organization IncCharlestown, MA 02129-9142 · (617) 726-6500 · Fax (617) 724-1079
Phone(617) 726-6500
Fax(617) 724-1079
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2000
Enumeration DateMay 23, 2006
Last NPPES UpdateApril 22, 2014
✔ NPI 1447205042 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 MA · 218952
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.
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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. Steven Jay Isakoff Md Phd 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 ID6204849755
PECOS Enrollment IDI20060728000331
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 4

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.
140 services131 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.
111 services48 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
66 services21 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.
16 services14 patients

Hospital Affiliations CMS Care Compare 4

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Martha's Vineyard Hospital Inc

Critical Access Hospitals · Oak Bluffs, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221300
LocationOne Hospital Road, First Fl, Wing 5, PO Box 1477Oak Bluffs, MA 02557 · Dukes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims695 services$0.75 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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Isakoff's NPI number?

The NPI number for Steven Isakoff is 1447205042. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Steven Isakoff located?

Steven Isakoff practices at 55 Fruit St Yawkey 9A, Boston, MA 02114. The listed phone number is (617) 726-6500.

What is Steven Isakoff's specialty?

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

Is Steven Isakoff enrolled in Medicare?

Yes. Steven Isakoff 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.

What insurance does Steven Isakoff accept?

Health plans from Anthem Blue Cross and Blue Shield list Steven Isakoff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Steven Isakoff affiliated with any hospitals?

According to CMS data, Steven Isakoff is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Brigham And Women's Hospital and Martha's Vineyard Hospital Inc.

When was this NPI record last updated?

The NPPES record for Steven Isakoff was last updated on April 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.