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TIMOTHY J SIGLOCK M.D.
NPI 1659376036
Otolaryngology in Jefferson Valley, NY

Active since June 14, 2005PECOS Enrolled
3680 HILL BLVD, CAREMOUNT MEDICAL PC, JEFFERSON VALLEY, NY 10535(914) 241-1050(914) 245-7836 Get Directions Write a Review

NPPES record last updated: May 4, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Timothy J Siglock M.d. NPPES

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

TIMOTHY J SIGLOCK M.D. (NPI 1659376036) is an individual otolaryngology provider in Jefferson Valley, New York, licensed in New York (165043) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659376036
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameTIMOTHY J SIGLOCKCredential: M.D.
Location Address3680 HILL BLVD, CAREMOUNT MEDICAL PCJefferson Valley, NY 10535-1500
Mailing Address110 S Bedford Rd, Caremount Medical PcMount Kisco, NY 10549-3446 · (914) 241-1050 · Fax (914) 245-7836
Phone(914) 241-1050
Fax(914) 245-7836
Sole ProprietorNo
Enumeration DateJune 14, 2005
Last NPPES UpdateMay 4, 2017
✔ NPI 1659376036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in NY · 165043
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
3680 HILL BLVD, Jefferson Valley, NY 10535
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Other Identifiers 3

Medicare UPINA96941NY
Medicare PINA400009457NY
Medicaid01052804NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy J Siglock M.d. 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 Timothy Siglock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Optum Medical Care, P.C.
10 mi
Cardiovascular Disease
90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Optum Medical Care PC
  • 1,601 clinicians in this Medicare group
NPI 1982643003 (914) 241-1050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10535 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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.

Other Providers at the Same Location NPPES 15

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

DR. WILLIAM MILLAR ZURHELLEN M.D.
Pediatrics
3680 HILL BLVD, CAREMOUNT MEDICAL PC
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
IWONA DZIEWA D.O.
Allergy & Immunology
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 245-7700
DR. ALISHA LENORA LIGGETT MD
Family Medicine
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 245-7700
AMY AMIN PATIL MD
Pediatrics
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
DR. JEFFREY PETER SCHACHNE M.D.
Dermatology
3680 HILL BLVD, MOUNT KISCO MEDICAL GROUP, PC
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
JOHN DANIEL SCINTO MD
Allergy & Immunology (Allergy)
3680 HILL BLVD, CAREMOUNT MEDICAL PC
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
MS. SHARONA DAUBE PA-C
Physician Assistant
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 245-7700
WILLIAM J REED P.A.
Dermatology
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050

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 Timothy Siglock's NPI number?

The NPI number for Timothy Siglock is 1659376036. It was assigned to this individual provider in the NPPES registry on June 14, 2005.

Where is Timothy Siglock located?

Timothy Siglock practices at 3680 Hill Blvd Caremount Medical PC, Jefferson Valley, NY 10535. The listed phone number is (914) 241-1050.

What is Timothy Siglock's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Timothy Siglock enrolled in Medicare?

Yes. Timothy Siglock is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Timothy Siglock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Siglock reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, NY). 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 Timothy Siglock'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 Timothy Siglock was last updated on May 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.