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DR. DANIEL MARK SIEGEL M.D.
NPI 1679532907
Dermatology - MOHS-Micrographic Surgery in Smithtown, NY

Active since March 23, 2006PECOS Enrolled
994 W JERICHO TPKE, SUITE 103, SMITHTOWN, NY 11787(631) 864-6647(631) 864-6001 Get Directions Write a Review

NPPES record last updated: October 2, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Daniel Mark Siegel M.d. NPPES

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

DR. DANIEL MARK SIEGEL M.D. (NPI 1679532907) is an individual mohs-micrographic surgery provider in Smithtown, New York, licensed in New York (150510) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679532907
Entity TypeIndividualMale
Primary Taxonomy207ND0101X
Provider Legal NameDR. DANIEL MARK SIEGELCredential: M.D.
Location Address994 W JERICHO TPKE, SUITE 103Smithtown, NY 11787-3235
Mailing Address994 W Jericho Tpke, Suite 103Smithtown, NY 11787-3235 · (631) 864-6647 · Fax (631) 864-6001
Phone(631) 864-6647
Fax(631) 864-6001
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateOctober 2, 2007
✔ NPI 1679532907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
License✔ Licensed in NY · 150510
Definition
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.
Also ListedDermatologyTaxonomy 207N00000X · License 150510 (NY)
Also ListedDermatology · Pediatric DermatologyTaxonomy 207NP0225X · License 150510 (NY)
Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License 150510 (NY)
994 W JERICHO TPKE, Smithtown, NY 11787
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Other Identifiers 2

Medicare ID-Type Unspecified60F111NY
Medicare UPINB57924NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Daniel Mark Siegel 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 Daniel Siegel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Hospital Of Brooklyn Suny Downstate Health Sciences Univers
38 mi
Family Medicine
470 CLARKSON AVE
Brooklyn, NY 11203
  • Reassigned Medicare billing, New York enrollment
  • 169 clinicians in this Medicare group
NPI 1396318986 (718) 270-1000

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 11787 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
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 19

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

KARIN EVA BURKHARD MD
Psychiatry & Neurology (Psychiatry)
994 W JERICHO TPKE, SUITE 202
SMITHTOWN, NY 11787
Suffolk County (631) 864-9200
MRS. RACHEL ANNE DEMAIO FNP
Nurse Practitioner (Family)
994 W JERICHO TPKE
SMITHTOWN, NY 11787
Suffolk County (631) 265-4200
TIMOTHY D GROTH M.D.
Anesthesiology (Pain Medicine)
994 W JERICHO TPKE, SUITE 104
SMITHTOWN, NY 11787
Suffolk County (631) 543-1440
THOMAS YARROBINO, PT, PC
Physical Medicine & Rehabilitation
994 W JERICHO TPKE, SUITE 202A
SMITHTOWN, NY 11787
Suffolk County (631) 864-6008
ALLISON WALLSHEIN
Registered Nurse (Psychiatric/Mental Health)
994 W JERICHO TPKE, SUITE 202
SMITHTOWN, NY 11787
Suffolk County (631) 470-5575
LLOYD D. LANDSMAN, M.D.P.C.
Plastic Surgery
994 W JERICHO TPKE
SMITHTOWN, NY 11787
Suffolk County (631) 864-4111
MICHELE A MORGANSTERN PH.D.
Psychologist (Clinical)
994 W JERICHO TPKE, SUITE 202
SMITHTOWN, NY 11787
Suffolk County (631) 786-8129
ERIN TIERNEY PA-C
Physician Assistant
994 W JERICHO TPKE
SMITHTOWN, NY 11787
Suffolk County (631) 543-1440

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 Daniel Siegel's NPI number?

The NPI number for Daniel Siegel is 1679532907. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Daniel Siegel located?

Daniel Siegel practices at 994 W Jericho Tpke Suite 103, Smithtown, NY 11787. The listed phone number is (631) 864-6647.

What is Daniel Siegel's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Is Daniel Siegel enrolled in Medicare?

Yes. Daniel Siegel is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Daniel Siegel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Siegel reassigns Medicare benefits to University Hospital Of Brooklyn Suny Downstate Health Sciences Univers (Brooklyn, 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 Daniel Siegel'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 Daniel Siegel was last updated on October 2, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.