DR. MARK D FLEMING MD
NPI 1235148404
Pathology - Hematology in Boston, MA

Active since August 06, 2006PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 919-2664(617) 730-0168 Get Directions Write a Review

NPPES record last updated: August 20, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark D Fleming Md NPPES

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

DR. MARK D FLEMING MD (NPI 1235148404) is an individual hematology provider in Boston, Massachusetts, licensed in Massachusetts (153834) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1993).

NPPES Registry Identity

NPI1235148404
Entity TypeIndividualMale
Primary Taxonomy207ZH0000X
Provider Legal NameDR. MARK D FLEMINGCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Fax(617) 730-0168
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1993
Enumeration DateAugust 6, 2006
Last NPPES UpdateAugust 20, 2007
NPI 1235148404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZH0000X
License Licensed in MA · 153834
Definition
A hematopathologist is expert in diseases that affect blood cells, blood clotting mechanisms, bone marrow and lymph nodes. This physician has the knowledge and technical skills essential for the laboratory diagnosis of anemias, leukemias, lymphomas, bleeding disorders and blood clotting disorders.
Also ListedPathology · Anatomic PathologyTaxonomy 207ZP0101X · License 153834 (MA)
300 LONGWOOD AVE, Boston, MA 02115

Other Identifiers 1

Medicare UPING55389

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. Mark D Fleming 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 ID1254484496
PECOS Enrollment IDI20111216000207
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Mark Fleming's NPI number?

The NPI number for Mark Fleming is 1235148404. It was assigned to this individual provider in the NPPES registry on August 6, 2006.

Where is Mark Fleming located?

Mark Fleming practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 919-2664.

What is Mark Fleming's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Hematology, with taxonomy code 207ZH0000X.

Is Mark Fleming enrolled in Medicare?

Yes. Mark Fleming 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 Mark Fleming was last updated on August 20, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.