BUFFALO GROVE DRUG CO INC
NPI 1639184260
Durable Medical Equipment & Medical Supplies in Wheeling, IL

Q: What is Buffalo Grove Drug Co Inc's NPI number?

The NPI number for Buffalo Grove Drug Co Inc is 1639184260. It was assigned to this organization in the NPPES registry on July 30, 2006. The provider is doing business as Mark Drugs Medical Supply.

Q: What is Buffalo Grove Drug Co Inc's specialty?

The primary specialty registered for this NPI is Durable Medical Equipment & Medical Supplies with taxonomy code 332B00000X.

Active since July 30, 2006

548 W DUNDEE RD STE A, WHEELING, IL 60090(847) 537-8500(847) 537-9430 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Buffalo Grove Drug Co Inc NPPES

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

BUFFALO GROVE DRUG CO INC (NPI 1639184260), doing business as Mark Drugs Medical Supply, is a healthcare organization registered as a durable medical equipment & medical supplies in Wheeling, Illinois and active in the NPI registry since July 2006. The organization lists Jeremy Schaffer, Manager, as its authorized official.

NPPES Registry Identity

NPI1639184260

Entity TypeOrganization

Primary Taxonomy332B00000X

Legal Business NameBUFFALO GROVE DRUG CO INC

Location Address548 W DUNDEE RD STE AWheeling, IL 60090-2608

Mailing Address548 W Dundee Rd Ste AWheeling, IL 60090-2608 · (847) 537-8500 · Fax (847) 537-9430

Phone(847) 537-8500

Fax(847) 537-9430

Organization SubpartNo

Authorized OfficialJeremy SchafferManager · (847) 537-8500

Enumeration DateJuly 30, 2006

Last NPPES UpdateMay 26, 2026

NPPES CertifiedMay 26, 2026

✔ NPI 1639184260 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDurable Medical Equipment & Medical SuppliesSuppliers

Taxonomy Code332B00000X

Definition

A supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for a patient's use in the home and that are usable for an extended period of time.

548 W DUNDEE RD STE A, Wheeling, IL 60090

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Other Names 1

Doing Business AsMark Drugs Medical Supply

Other Identifiers 1

Other1404932Ncpdp Provider Identification Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan, SummaCare, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and revalidation status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Buffalo Grove Drug Co Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateIllinoisEnrollment IDO20100930012612DME · Medical Supply CompanyDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Medical Equipment Supplier Medicare DMEPOS 34

Medicare supplier enrollment and the product categories Mark Drug & Hospital Supply carries, from the Medicare DMEPOS supplier directory.

Mark Drug & Hospital Supply

DMEPOS supplier · Wheeling, ILOperated by Buffalo Grove Drug Co Inc

✔

Accepts Medicare assignment

Mark Drug & Hospital Supply agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)20656571

Medicare Participant SinceOctober 26, 2024

Supplier Location548 W Dundee Rd Ste AWheeling, IL 60090

Phone(847) 537-8500

Supplier Specialties

MSC With Orthotic Personnel MSC With Orthotic-Prosthetic Prosthetic Personnel Pharmacy

Medicare Product Categories

Commodes, Urinals, Bedpans

Raised toilets, Drop-arm commodes, Folding commodes, Plastic urinals, Plastic bedpans, Disposable urinals

Continuous Passive Motion (CPM) Devices

Knee CPM machines, Shoulder CPM machines, Hand & wrist CPM machines

Blood Glucose Monitors/Supplies (Non-Mail Order)

Home blood glucose monitors including lancets, reagent strips, and other supplies necessary for the proper functioning of the device

Blood Glucose Monitors/Supplies (Mail Order)

Home blood glucose monitors including lancets, reagent strips, and other supplies necessary for the proper functioning of the device

Gastric Suction Pumps

Portable suction pumps, Stationary suction pumps, Canisters

Heat & Cold Applications

Heat therapy, Cold therapy, Heating pads

Hospital Beds (Electric)

Total electric hospital beds, Semi-electric hospital beds

Hospital Beds (Manual)

Fixed height hospital beds, Variable height hospital beds

External Infusion Pumps and/or Supplies

An infusion pump is necessary to safely administer the drug

Insulin Infusion Pumps and/or Supplies

Disposable Insulin Delivery System, Mechanical insulin infusion pumps, Needle type infusion sets, Cannula type infusion sets

Neuromuscular Elect Stimulators (NMES)/Supplies

Electrodes, lead wires, adhesive tape

Pneumatic Compression Devices and/or Supplies

Pnuematic compressor, Arm pneumatic appliance, Leg pneumatic appliance

Speech Generating Devices

Digitized speech devices, Synthesized speech devices

Support Surfaces: Pressure Reducing Beds/Mats/Pads

Group 1 – Alternating pressure pad, Air/Water/Dry pressure pad or pressure mattress. Group 2 - Pressure reducing powered air mattresses, Powered air flotation bed, non-powered pressure reducing mattress Group 3 – Air fluidized bed

(TENS) Transcutaneous Electrical Nerve Stimulators and/or Supplies

Transcutaneous Electrical Nerve Stimulation (TENS) for the relief of acute post-operative pain

Ultraviolet Light Devices and/or Supplies

Hand-held phototherapy devices, UV light therapy panels, Multidirectional light therapy

Canes and/or Crutches

Standard Canes, Quad Canes, Offset Canes, Standard Crutches, Forearm Crutches

Patient Lifts

Ceiling lifts, Slings

Power Operated Vehicles (Scooters)

Scooters

Seat Lift Mechanisms

Lift chair

Walkers

Standard Walkers, Wheeled Walkers, Folding Walker

Wheelchairs (Standard Manual)

Standard wheelchairs, transport wheelchairs, heavy duty wheelchairs

Wheelchairs (Standard Manual Related Accessories)

Accessories for standard wheelchairs, transport wheelchairs, heavy duty wheelchairs

Wheelchair Seating/Cushions

Wheelchair seat cushions, Wheelchair bank cushions, Wheelchair padded armrests

Orthoses: Off-The-Shelf

Met pads, Heel pads, Heel spur pads

Penile Pumps

Ostomy Supplies

Pouches, Paste, Powder, Barrier wipes

Tracheotomy Supplies

Tracheostomy care kits

Urological Supplies

Catheters, Urinary collection devices

Enteral Nutrients

Enteral formula

Enteral Equipment and/or Supplies

Enteral infusion pumps, enteral nutrition supply kits

Nebulizer Equipment and/or Supplies

Nebulizers, Atomizers, Filters

Respiratory Suction Pumps

Portable suction pumps, Stationary suction pumps, Canisters

Surgical Dressings

Gauze, Elastic bandages, Adhesive tape

Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

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 Buffalo Grove Drug Co Inc's NPI number?

The NPI number for Buffalo Grove Drug Co Inc is 1639184260. It was assigned to this organization in the NPPES registry on July 30, 2006. The provider is doing business as Mark Drugs Medical Supply.

Where is Buffalo Grove Drug Co Inc located?

Buffalo Grove Drug Co Inc is located at 548 W Dundee Rd Ste A, Wheeling, IL 60090. The listed phone number is (847) 537-8500.

What is Buffalo Grove Drug Co Inc's specialty?

The primary specialty registered for this NPI is Durable Medical Equipment & Medical Supplies with taxonomy code 332B00000X.

Is Buffalo Grove Drug Co Inc enrolled in Medicare?

Yes. Buffalo Grove Drug Co Inc is registered in the Medicare PECOS enrollment system.

When is Buffalo Grove Drug Co Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (Illinois, Medical Supply Company) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

Does Buffalo Grove Drug Co Inc accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, Mark Drug & Hospital Supply accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

What insurance does Buffalo Grove Drug Co Inc accept?

Health plans from Sanford Health Plan, SummaCare and Wellmark Health Plan of Iowa, Inc. list Buffalo Grove Drug Co Inc 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.

When was this NPI record last updated?

The NPPES record for Buffalo Grove Drug Co Inc was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.