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MR. WALTER L. FERGUSON JR. M.D.
NPI 1235278128
Internal Medicine in Tuxedo Park, NY

Active since February 06, 2007Opted out of Medicare · through Mar 31, 2028
40 KINGS DR, TUXEDO PARK, NY 10987(718) 560-6912(845) 744-9107 Get Directions Write a Review

NPPES record last updated: February 23, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Walter L. Ferguson Jr. M.d. NPPES

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

MR. WALTER L. FERGUSON JR. M.D. (NPI 1235278128) is an individual internal medicine provider in Tuxedo Park, New York, licensed in New York (164524-1) and active in the NPI registry since February 2007. He has opted out of Medicare through March 31, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1235278128
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. WALTER L. FERGUSON JR.Credential: M.D.
Location Address40 KINGS DRTuxedo Park, NY 10987-5505
Mailing Address40 Kings DrTuxedo Park, NY 10987-5505 · (718) 560-6912 · Fax (845) 744-9107
Phone(718) 560-6912
Fax(845) 744-9107
Sole ProprietorYes
Enumeration DateFebruary 6, 2007
Last NPPES UpdateFebruary 23, 2022
NPPES CertifiedFebruary 23, 2022
✔ NPI 1235278128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 164524-1✔ Licensed in NJ · 25MA08876800
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
40 KINGS DR, Tuxedo Park, NY 10987
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mr. Walter L. Ferguson Jr. M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 31, 2014 through March 31, 2028.

Opt-Out Effective DateMarch 31, 2014
Opt-Out In Effect ThroughMarch 31, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10987 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
$141.77 typical visit price
range $61.88 – $187.05
Typical copayment $35.44 (range $15.47 – $46.76)
Most-billed visit code 99204
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
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 2

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

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
1 supplier11 claims2,200 services$1.49 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier12 claims12 services$185.34 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GARRETT S. LASALLE M.D.
Pain Medicine (Interventional Pain Medicine)
40 KINGS DR
TUXEDO PARK, NY 10987
Orange County (845) 524-3512

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 Walter Ferguson's NPI number?

The NPI number for Walter Ferguson is 1235278128. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is Walter Ferguson located?

Walter Ferguson practices at 40 Kings Dr, Tuxedo Park, NY 10987. The listed phone number is (718) 560-6912.

What is Walter Ferguson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Walter Ferguson enrolled in Medicare?

No. Walter Ferguson has opted out of Medicare through March 31, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Walter Ferguson was last updated on February 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.