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DR. A KARIM SLEIMAN MD
NPI 1457888604
Ophthalmology in Boston, MA

Active since May 18, 2017PECOS Enrolled
800 WASHINGTON ST # 450, BOSTON, MA 02111(617) 636-4600 Get Directions Write a Review

NPPES record last updated: August 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 12, 2023, Feb 5, 2023, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

About Dr. A Karim Sleiman Md NPPES

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

DR. A KARIM SLEIMAN MD (NPI 1457888604) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (1014555) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1457888604
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. A KARIM SLEIMANCredential: MD
Location Address800 WASHINGTON ST # 450Boston, MA 02111-1552
Mailing Address800 Washington St # 450Boston, MA 02111-1552 · (617) 636-4600
Phone(617) 636-4600
Sole ProprietorYes
Enumeration DateMay 18, 2017
Last NPPES UpdateAugust 6, 20235 updates tracked since enumeration
NPPES CertifiedAugust 6, 2023
✔ NPI 1457888604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MA · 1014555
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedInternal MedicineTaxonomy 207R00000X · License 1014555 (MA)
800 WASHINGTON ST # 450, Boston, MA 02111
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Other Names 1

Other Name (5)Dr. Abdul Karim El Hage Sleiman Md

Secondary Practice Location 1

Location 150 Staniford St Fl 6Boston, MA 02114-2517 · Phone (617) 367-4800

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. A Karim Sleiman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show A Karim Sleiman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pratt Ophthalmology Associates Inc
Same address
Ophthalmology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 106 clinicians in this Medicare group
NPI 1083660534 (617) 636-5000

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

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.
29 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$46.16 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.

DR. CATHERINE S CHOI M.D.
Ophthalmology
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (617) 636-4677
MS. LISA OCONNELL RDO
Technician/Technologist (Optician)
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
YOSBELKYS MARTIN PAEZ M.D
Ophthalmology (Neuro-ophthalmology)
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (617) 636-2020
ALICIA CASELLA
Ophthalmology
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (347) 325-0898
CHANDRASEKHARAN KRISHNAN M.D.
Ophthalmology (Glaucoma Specialist)
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (617) 636-1183
HUAN M. MILLS MD
Ophthalmology
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (617) 636-4648
ASEEF AHMED DO
Ophthalmology (Glaucoma Specialist)
800 WASHINGTON ST # 450
BOSTON, MA 02111
Suffolk County (617) 636-5000

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 A Karim Sleiman's NPI number?

The NPI number for A Karim Sleiman is 1457888604. It was assigned to this individual provider in the NPPES registry on May 18, 2017. The provider is also known as Dr. Abdul Karim El Hage Sleiman MD.

Where is A Karim Sleiman located?

A Karim Sleiman practices at 800 Washington St # 450, Boston, MA 02111. The listed phone number is (617) 636-4600.

What is A Karim Sleiman's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is A Karim Sleiman enrolled in Medicare?

Yes. A Karim Sleiman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for A Karim Sleiman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), A Karim Sleiman reassigns Medicare benefits to Pratt Ophthalmology Associates Inc (Boston, MA). The 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 A Karim Sleiman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for A Karim Sleiman was last updated on August 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.