DR. DEREK A SIEMON DDS
NPI 1700893856
Dentist - General Practice in Annapolis, MD

Q: What is Derek Siemon's NPI number?

The NPI number for Derek Siemon is 1700893856. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Q: What is Derek Siemon's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Derek Siemon was last updated on March 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since August 02, 2006PECOS Enrolled

1833G FOREST DR, ANNAPOLIS, MD 21401(410) 263-7338 Get Directions Write a Review

NPPES record last updated: March 18, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Derek A Siemon Dds NPPES

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

DR. DEREK A SIEMON DDS (NPI 1700893856) is an individual general practice provider in Annapolis, Maryland, licensed in Maryland (9284) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700893856

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. DEREK A SIEMONCredential: DDS

Location Address1833G FOREST DRAnnapolis, MD 21401-4429

Mailing Address1833g Forest DrAnnapolis, MD 21401-4429 · (410) 263-7338

Phone(410) 263-7338

Sole ProprietorYes

Enumeration DateAugust 2, 2006

Last NPPES UpdateMarch 18, 2015

✔ NPI 1700893856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MD · 9284

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

1833G FOREST DR, Annapolis, MD 21401

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Other Identifiers 1

Medicaid467084100MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Derek A Siemon Dds 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 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

$94.08 typical visit price

range $60.73 – $183.44

Typical copayment $23.52 (range $15.18 – $45.86)

Most-billed visit code 99203

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

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.

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 Derek Siemon's NPI number?

The NPI number for Derek Siemon is 1700893856. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Derek Siemon located?

Derek Siemon practices at 1833G Forest Dr, Annapolis, MD 21401. The listed phone number is (410) 263-7338.

What is Derek Siemon's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Derek Siemon enrolled in Medicare?

Yes. Derek Siemon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Derek Siemon was last updated on March 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.